SPRING HANGERS,SPRING SUPPORTS

PRODUCT GROUP

2

2.0

VARIABLE SPRING ELEMENTS

Spring hangers, spring supports, sway braces ________________________2.1

Load table for spring hangers,spring supports and other spring elements __________________________2.3

Spring hangers, type 21____________________________________________2.5

Spring hangers, type 22____________________________________________2.6

Spring hangers (seated), type 25 ____________________________________2.7

Spring hangers (seated), type 26 ____________________________________2.8

Spring supports, type 29 __________________________________________2.9

Spring supports, type 28__________________________________________2.10

Angulating spring supports, type 20 ________________________________2.11

Spring hanger trapezes, type 79 __________________________________2.12

Sway braces, type 27 ____________________________________________2.13

Installation and operating instructions ______________________________2.15

CONTENTS PAGE

0

1

3

4

5

6

7

8

9

0

1

3

4

5

6

7

8

9

2PRODUCTGROUP 2

Spring elementsTo compensate for slight vertical displace-ments in the piping, spring components areused as supports. The functioning of thesecomponents is based on preset helical coilsprings which exert a variable supportingload over the whole range of movementcorresponding to the given spring character-istics. Load variations resulting from this arelimited through corresponding specificationsbased on stress calculations for the piping -this depends on the sensitivity of thesystem.

The fundamental principles relevant for thefunction of the spring components are foundin the MSS SP 58 and VGB R 510 L guide-lines. See Technical Specifications, page 0.5.

LISEGA spring hangersVarious versions of spring elements, ideallysuited to whatever structural requirementsexist, are available. The optimum choicedepends on the installation situation.

Spring hangers, type 21This type, the one most frequently used, isfitted with an upper connection for suspen-

sion. It is installed whereverthe surrounding locationoffers a suitable connectionpoint and sufficientspace. The upperconnections can beuniversally adaptedwith standard com-ponents to any given

situation.

SPRING HANGERSSPRING SUPPORTS

2.1

Spring hangers, type 25This type is frequently used for

its simple installation, just sea-ting it on the existing steel. Theconnection is made by a rodpassing through the unit.

Spring supports, type 29If the installation location doesnot permit sus-

pension, then this model is asuitable alternative as aprop support. Where thereis considerable horizontaldisplacement of the supportload, and steel slides onsteel, lateral forces canunder certain conditionshave an adverse effect onthe operation of the sup-port system. To take precautionsagainst this, the use of PTFE bearings isrecommended. In this case the counter bea-ring should have a stainless steel surface.

Spring hanger, type 21

Spring hanger, type 25

Spring support, type 29

Type 29 with PTFEslide plate.

Recommended use of PTFE slide plates forspring supports type 29

To prevent constraints inthe system, thermalexpansion in the pipingand other piping compo-nents must not be hinde-red. The piping must there-fore be supported in a cor-respondingly elastic man-ner.

2.2

Angulating spring supports, type 20Unlike the spring support type 29,horizontal displacement can betaken up almost free of lateralforces by this design. This way that constraining fric-tional forces are completelyexcluded at all levels of move-ment, vertical and horizontal.

Sway braces, type 27These particular components act both intension and compression and are used tostabilize the piping and other plant com-ponents. An additional damping effect isobtained at the same time. The connectionparts correspond with those of ProductGroup 3.

With LISEGA sway braces, type 27, the following adjustmentscan be made:

load presetting free stroke installation dimension

See also Installation and OperatingInstructions, page 2.17

Load setting and blockingSpring hangers and supports are preset at theworks to the installation load and blocked inboth directions of movement. Blocking isnecessary to take up additional loads duringpickling, flushing, or hydrostatic tests. The factory settings are carried out on elec-tronically controlled test benches:

with spring hangers, values set at the factory are stamped onto a riveted nameplate.

the installation position is marked on the travel scale.

cold and hot settings are marked on the travel scale with a white and red sticker respectively.

the blocking device can be blocked in any position. The blocking pieces can be reinserted in any required position.

Spring hangers and supports should be setin such a way that the spring load and thepiping weight correspond with the cold loadposition.The corresponding hot load position resultsfrom the theoretically determined pipe move-ment (travel) and the spring rate.The load difference between the cold andhot positions acts on the piping as a reac-tion force and is limited by the relevantdesign specifications.

Generally, the max. permissible load devia-tion amounts to 25% of the operating load.

Above and beyond that, constant hangersexerting a constant supporting load over thewhole travel range are to be used.

Selection of spring hangersA decisive factor for the reaction force is thestiffness of the spring rate value of the res-pective coil springs. To cover the widest pos-sible field of application using spring han-gers, the load ranges are divided into 5 tra-vel ranges.

Please see Technical Specifications page 0.13for details of usage. See also the selectiontable, pages 2.3 and 2.4, as well asInstallation and Operating Instructions, page2.15.

2

Design related advantages

no welding (Types 20, 21, 27) fully galvanized surfaces specially prerelaxed springs integrated tightening devices adjustable blocking system variable connection possibilities TV suitability test a wealth of experience from over a

million applications

Angulating spring support, type 20

Sway brace, type 27angulated arrangement

Sway brace, type 27single arrangement

SELECTION CRITERIA FOR SPRING HANGERS AND SUPPORTS

Permissible force variationThe permissible force variation betweencold load (installation load) position tohot load (operating load) position islimited internationally by common speci-fications for pipe stress analysis to max.25% of the operating load.

Maximum working travelAdditionally, to preclude functionalimpairment due to instability from extralong springs, a working travel of maximum 2 inch[50mm] should not be exceeded.

Spring ratesTo cover as wide a field of applicationsas possible while adhering to thesestandards, LISEGA spring elements aredivided into 5 travel ranges with cor-respondingly different spring rates.

Extra long springsTravel ranges 4 & 5 relate to extra longsprings and should only be used aftertechnical evaluation of the whole situ-ation, especially in sensitive pipingsystems.

Design typesThe selection of the suitable designtype depends upon the respective sup-port configuration or installation situ-ation.

Economical unit sizeTo find the most economical size, thefollowing procedures apply:

SELECTION OF SPRING ELEMENTS

2.3

Spring hangers type 21, Spring hangers type 25, Spring supports type 29, Angulating spring supports type 20

21 8. 2825 8. 1829 8. 1820 82 14

599567567518827990409801

1056311324120851284613608143691513015892166531741417985

7611015152230456090

21 7. 2825 7. 1829 7. 1820 72 14

4497506856396210678173527923849490659636

10207107781134911920124911306213490

571761

114222844568

21 6. 2825 6. 1829 6. 1820 62 14

29973377375841384519489952805660604164216802718275637944832487058990

381507761

15223045

21 5. 2825 5. 1829 5. 1820 52 14

14981689187920692259245026402830302032113401359137823972416243524495

190254381761

1522

21 4. 2825 4. 1829 4. 1820 42 14

750845940

10361131122613211417151216071702179818931988208321792250

127190381761

21 2. 2825 2. 1829 2. 1820 22 14

187211235259282306330354378401425449473497520544562

47.695.2190

21 1. 2825 1. 1829 1. 1820 12 14

94106117129141153165177189201213225236248260272281

23.847.695.2

21 D. 2925 D. 1929 D. 1920 D2 19

27333945515762687480869298

104110116120

11.923.847.6

21 C2 29

29 C2 19

9.012.015.018.020.923.926.929.932.935.938.841.844.847.850.853.856.0

11.9

Spring rate c (lbs/inch)

Load (Ibs)...1..

01/81/43/81/25/83/47/8

11 1/81 1/41 3/81 1/21 5/81 3/41 7/8131/32

...2..

01/41/23/4

11 1/41 1/21 3/422 1/42 1/22 3/433 1/43 1/23 3/4315/16

Type number

Working travel (inch)

21 9. 2825 9. 1829 9. 1820 92 14

749384459396

1034811299122511320314154151061605717009179601891219863208152176622480

9521269190338067612

...3..

01/2

11 1/222 1/233 1/244 1/255 1/266 1/277 1/27 7/8

...4..

03/4

1 1/22 1/433 3/44 1/25 1/466 3/47 1/28 1/499 3/4

10 1/211 1/41113/16

...5..

0123456789

101112131415153/4

21 3. 2825 3. 1829 3. 1820 32 14

375423470518565613661708756804851899946994

104210891125

63.595.2

190381

Travel range

22.4

Travel range = 4th digit oftype designation For availability of component typein the different travel ranges, seedimension table pages 2.5 to 2.11.

The use of extra long springsis only to be recommended inlimited cases because of therelatively large spring hysteresis.

DETERMINATION OF THE MOST FAVORABLE SIZE

1. Selecting the ideal spring hanger

Example:

Operating load F = 1512IbsPermissible deviation p 25%Travel (up) s = 3/4inch

c 25% 1512Ibs = 504Ibs/inch3/4inch 100%

Selection type 25 42 18Spring rate c = 381Ibs/inchCold load FK = 1798Ibs

2. Determination of the percentage offorce variation

Example:

1512Ibs operation load, travel 3/4inch (up)A spring hanger was selectedtype 25 42 18 with a spring rateof c = 381Ibs/inch

3/4inch 381Ibs/inch 100% = 18.9%1512Ibs

22 5. 2926 5. 1928 5. 19

3000033810376194142945238490485285756667604766428668095719057571479524833338714390000

76191523830476

22 4. 2926 4. 1928 4. 19

2246725320281733102633879367313958442437452904814350996538495670259555624076526067400

57061141222823

22 3. 2926 3. 1928 3. 19

1798520269225532483627120294043168833972362553853940823431074539147675499585224253955

45689135

18270

22 2. 2926 2. 1928 2. 19

1498716890187932069622599245022640528308302113211434017359213782439727416304353344960

38067612

15224

22 1. 2926 1. 1928 1. 19

1199013513150351655818080196032112522648241702569327215287383026031783333063482835970

30456090

12180

...3..

01/2

11 1/222 1/233 1/244 1/255 1/266 1/277 1/27 7/8

...1..

01/81/43/81/25/83/47/8

11 1/81 1/41 3/81 1/21 5/81 3/41 7/8131/32

...2..

01/41/23/4

11 1/41 1/21 3/422 1/42 1/22 3/433 1/43 1/23 3/4315/16

Spring rate c (lbs/inch)

Load (lbs)

Type number

Working travel (inch)

Spring hangers type 22. Variable spring hanger type 26, spring supports type 28

Travel range

2.5

SPRING HANGERTYPE 21

Spring hangers type 21 C2 29 to 21 95 28

Dim E increases under loadby the corresponding spring travel (see load table on page 2.3).

Order details:Spring hanger type 21 .. ..Marking:Operating load/Set load: ...lbsWorking travel: ... inch up/down

In restricted spaces, springhangers can be installed withtrapeze type 79. See page 2.12

Type

21 C2 2921 D2 2921 D3 2921 11 2821 12 2821 13 2821 21 2821 22 2821 23 2821 31 2821 32 2821 33 2821 34 2821 41 2821 42 2821 43 2821 44 2821 51 2821 52 2821 53 2821 54 2821 55 2821 61 2821 62 2821 63 2821 64 2821 65 2821 71 2821 72 2821 73 2821 74 2821 75 2821 81 2821 82 2821 83 2821 84 2821 85 2821 91 2821 92 2821 93 2821 94 2821 95 28

A B d2 E H SW X Weight(Ibs)331/231/231/231/231/241/241/241/241/241/241/241/266667777785/885/885/885/885/895/895/895/895/895/895/895/895/895/895/8

103/4103/4103/4103/4103/4

3/83/83/83/83/83/81/21/21/21/21/21/21/25/85/85/85/87/87/87/87/87/8

111111 1/81 1/81 1/81 1/81 1/81 1/81 1/81 1/81 1/81 1/81 3/81 3/81 3/81 3/81 3/8

3/8 UNC3/8 UNC3/8 UNC1/2 UNC1/2 UNC1/2 UNC1/2 UNC1/2 UNC1/2 UNC5/8 UNC5/8 UNC5/8 UNC5/8 UNC3/4 UNC3/4 UNC3/4 UNC3/4 UNC

1 UNC1 UNC1 UNC1 UNC1 UNC1 1/4 UNC1 1/4 UNC1 1/4 UNC1 1/4 UNC1 1/4 UNC1 1/2 UNC1 1/2 UNC1 1/2 UNC1 1/2 UNC1 1/2 UNC1 3/4 UNC1 3/4 UNC1 3/4 UNC1 3/4 UNC1 3/4 UNC2 UNC2 UNC2 UNC2 UNC2 UNC

897/8

183/461/897/8

183/461/8

10183/461/4

10183/4331/871/4

113/8205/8361/481/2

12211/4403/4501/495/8

141/8251/4471/2585/81116265/8511/86212181/2331/4561/4711/413197/8341/4595/8741/4

893/4

181/253/493/4

181/2693/4

18693/4

181/2281/27

111/2203/4311/281/2

12211/4321/24293/4

141/4251/4381/2493/4111/4161/4263/4421/453121/219333/4521/4671/414203/4351/455691/2

0.750.750.750.750.750.750.750.750.750.950.950.950.951.181.181.181.181.421.421.421.421.421.811.811.811.811.812.172.172.172.172.172.562.562.562.562.562.952.952.952.952.95

5/85/85/85/85/85/85/85/85/83/43/43/43/4

111111/811/811/811/811/813/813/813/813/813/813/413/413/413/413/42222223/823/823/823/823/8

4.26.6

11.04.66.8

12.28.4

11.619.09.4

13.221.430.820.228.244.064.036.445.270.6

101.0125.068.488.2

137.0198.0251.0106.0139.0196.0293.0353.0128.0176.0278.0400.0500.0185.0245.0360.0535.0650.0

22.6

Dim E increases under load bythe corresponding spring travel(see load table on page 2.4).

SPRING HANGERTYPE 22

Order details:Spring hanger type 22 .. ..Marking: ....Operating load/Set load: .... lbsWorking travel: .... inch up/down

Spring hangers type 22 11 29 to 22 53 29

Type

22 11 2922 12 2922 13 2922 21 2922 22 2922 23 2922 31 2922 32 2922 33 2922 41 2922 42 2922 43 2922 51 2922 52 2922 53 29

A B d2C d3 E H R S SW1 SW2 X Weight(lbs)

blocking device

Spring hanger type 22with weld-on clevis mounted.

Spring hanger type 22with clevis mounted.

Application in practice

203/4203/4203/4211/2211/2211/2231/4231/4231/4241/2241/2241/2251/2251/2251/2

31/831/831/833/433/433/433/433/433/441/241/241/251/251/251/2

23/823/823/823/423/423/433331/831/831/831/231/231/2

23/823/823/823/423/423/423/423/423/431/831/831/831/231/231/2

31/231/231/241/441/441/441/441/441/443/443/443/451/451/451/4

11/811/811/811/811/811/811/811/811/813/813/813/813/813/813/8

33/833/833/833/433/433/444441/441/441/445/845/845/8

17/817/817/817/817/817/817/817/817/821/421/421/425/825/825/8

21/221/221/233331/831/831/833/833/833/833/433/433/4

5306007506307109007908901120100011401380121014401910

171/42233183/4231/2341/2191/42435213/427371/2243/4311/2461/4

133/4181/2291/2141/2191/4301/4151/420311722323/419251/2401/4

2 1/4 UNC2 1/4 UNC2 1/4 UNC2 1/2 UNC2 1/2 UNC2 1/2 UNC2 3/4 UNC2 3/4 UNC2 3/4 UNC3 UNC3 UNC3 UNC3 1/4 UNC3 1/4 UNC3 1/4 UNC

2.7

Order details:Spring hanger type 25 .. ..Marking: ..Operating load/Set load: ...lbsWorking travel: ... inch up/down

SPRING HANGER TYPE 25

Spring hangers (seated)type 25 D2 19 to 25 93 18

Dims B and X reduce under loadby the corresponding spring travel (see load table on page 2.3)

For special applications spring hangers type25 can be manufactured as trapeze units.

Type B C d6 E72 D9 28 47/8 33/4 7/16 5/1672 19 28 47/8 33/4 7/16 5/1672 29 28 57/8 41/2 1/2 3/872 39 28 57/8 41/2 1/2 1/272 49 28 71/2 51/2 11/16 1/272 59 28 85/8 63/4 11/16 1/272 69 28 101/4 77/8 7/8 9/1672 79 28 113/8 81/2 7/8 13/1672 89 28 113/8 81/2 11/16 13/1672 99 28 133/8 10 11/4 1

Base plateType 72 can be added totype 25 on request.

Load group

Type

25 D2 1925 D3 1925 11 1825 12 1825 13 1825 21 1825 22 1825 23 1825 31 1825 32 1825 33 1825 41 1825 42 1825 43 1825 51 1825 52 1825 53 1825 61 1825 62 1825 63 1825 71 1825 72 1825 73 1825 81 1825 82 1825 83 1825 91 1825 92 1825 93 18

A B

3 1/23 1/23 1/23 1/23 1/24 1/24 1/24 1/24 1/24 1/24 1/26667778 5/88 5/88 5/89 5/89 5/89 5/89 5/89 5/89 5/8

10 3/410 3/410 3/4

13 3/426 1/28

13 3/426 1/28

1426 1/48 1/4

1426 1/29

15 1/228 3/410 1/21629 1/411 3/418 1/433 1/413 3/420 3/435 1/215 1/423 3/442 1/416 1/425 1/243 3/4

3/8 UNC3/8 UNC1/2 UNC1/2 UNC1/2 UNC1/2 UNC1/2 UNC1/2 UNC5/8 UNC5/8 UNC5/8 UNC3/4 UNC3/4 UNC3/4 UNC

1 UNC1 UNC1 UNC1 1/4 UNC1 1/4 UNC1 1/4 UNC1 1/2 UNC1 1/2 UNC1 1/2 UNC1 3/4 UNC1 3/4 UNC1 3/4 UNC2 UNC2 UNC2 UNC

1/21/21/21/21/21/21/21/23/43/43/4

11111/811/811/813/813/813/815/815/815/817/817/817/821/821/821/8

9 3/4181/25 3/49 3/4

181/2693/4

18693/4

181/27

111/2203/48 1/2

12211/49 3/4

141/4251/4113/417271/2131/4193/4341/2141/2211/2353/4

15273/49

15273/49 1/4

151/4271/49 3/4

151/2281/411171/2303/4123/4181/4311/2143/4211/4361/4171/4241/239191/2281/4463/42130481/2

6.210.84.66.8

12.27.8

11.218.68.2

11.619.617.625.441.032.040.064.058.078.0

124.088.0

116.0174.098.0

146.0244.0148.0202.0316.0

d2 d4 H X max Weight(lbs)

22.8

Dims B and X reduce underload by the corresponding springtravel (see load table on page2.4)

Order details:Spring hanger type 26 .. ..Marking: ..Operating load/Set load: ...lbsWorking travel: ... inch up/down

SPRING HANGERTYPE 26

Spring hanger (seated)type 26 11 19 to 26 53 19

Type

26 11 1926 12 1926 13 1926 21 1926 22 1926 23 1926 31 1926 32 1926 33 1926 41 1926 42 1926 43 1926 51 1926 52 1926 53 19

A

202020222222242424242424242424

151/2221/4371/416223/4371/2161/2231/4381/4181/2251/2401/4203/4291/248

131/2181/4291/414183/4293/4141/2191/4301/4161/2213/4321/219251/2401/4

2 3/82 3/82 3/82 3/42 3/42 3/42 3/42 3/42 3/43 1/83 1/83 1/83 1/23 1/23 1/2

1 7/81 7/81 7/81 7/81 7/81 7/81 7/81 7/81 7/82 1/42 1/42 1/42 5/82 5/82 5/8

450520680580660860760860

1080870990

1220103012001600

2 1/4 UNC2 1/4 UNC2 1/4 UNC2 1/2 UNC2 1/2 UNC2 1/2 UNC2 3/4 UNC2 3/4 UNC2 3/4 UNC3 UNC3 UNC3 UNC3 1/4 UNC3 1/4 UNC3 1/4 UNC

203/4271/2421/222283/4433/423293/4443/4251/2321/2471/4281/2371/4553/4

B d2 X max

blocking device

Special spring assemblies for boiler support.

d4 H Weight(lbs)SW

2.9

SPRING SUPPORTTYPE 29

Spring supportstype 29 C2 19 to 29 93 18

Type

29 C2 1929 D1 1929 D2 1929 D3 1929 11 1829 12 1829 13 1829 21 1829 22 1829 23 1829 31 1829 32 1829 33 1829 41 1829 42 1829 43 1829 51 1829 52 1829 53 1829 61 1829 62 1829 63 1829 71 1829 72 1829 73 1829 81 1829 82 1829 83 1829 91 1829 92 1829 93 18

A B

33 1/23 1/23 1/23 1/23 1/23 1/24 1/24 1/24 1/24 1/24 1/24 1/26667778 5/88 5/88 5/89 5/89 5/89 5/89 5/89 5/89 5/8

10 3/410 3/410 3/4

4 1/84 7/84 7/84 7/84 7/84 7/84 7/85 7/85 7/85 7/85 7/85 7/85 7/87 1/27 1/27 1/28 5/88 5/88 5/8

10 1/410 1/410 1/411 3/811 3/811 3/811 3/811 3/811 3/813 3/813 3/813 3/8

33 3/43 3/43 3/43 3/43 3/43 3/44 1/24 1/24 1/24 1/24 1/24 1/25 1/25 1/25 1/26 3/46 3/46 3/47 7/87 7/87 7/88 1/28 1/28 1/28 1/28 1/28 1/2

101010

3/87/167/167/167/167/167/161/21/21/21/21/21/211/1611/1611/1611/1611/1611/167/87/87/87/87/87/8

1 1/161 1/161 1/161 1/41 1/41 1/4

1 3/81 3/81 3/81 3/81 3/81 3/81 3/81 3/81 3/81 3/81 3/81 3/81 3/81 7/81 7/81 7/82222222222 1/82 1/82 1/82 3/82 3/82 3/8

8 1/45 3/49 3/4

18 1/25 3/49 3/4

18 1/269 3/4

1869 3/4

18 1/27

11 1/220 3/48 1/4

11 3/4219 3/4

14 1/425 1/411 3/416 3/427 1/413 1/419 3/434 1/414 1/221 1/235 3/4

3 1/43 1/43 1/43 1/43 1/43 1/43 1/44444444 3/44 3/44 3/46666 3/46 3/46 3/47 3/47 3/47 3/47 3/47 3/47 3/49 1/29 1/29 1/2

1/45/165/165/165/165/165/163/83/83/81/21/21/21/21/21/21/21/21/29/169/169/1613/1613/1613/1613/1613/1613/16

111

10 3/47 3/4

1221 3/47 3/4

1221 3/47 3/4

12 1/421 1/48

12 1/421 3/49 1/2

14 1/424 1/410 3/414 1/224 1/2121728 3/414 1/419 3/43115 3/422 3/43817 1/424 1/239 3/4

5.87.09.4

14.67.4

10.215.812.416.824.413.818.628.626.235.255.244.054.082.074.098.0

150.0116.0150.0214.0132.0186.0294.0200.0260.0382.0

d6 FE Weight(lbs)DC H S

Type Load group L170 19 16 C, D, 1 15/870 39 16 2, 3 15/870 49 16 4 21/270 59 16 5 21/270 69 16 6 43/870 79 16 7 43/870 89 16 8 57/870 99 16 9 57/8

PTFE (Teflon) slide platesare recommended for con-siderable horizontal load displacements.

Dim E is independent of the load setting. It variesunder load by the corresponding spring travel (see loadtable page 2.3). Adjustment possibility +11/4 inch.

Order details: Spring support type 29 .. ..Marking: ..Operating load/Set load: ...lbsWorking travel: ... inch up/down

L1

Suitable extensions can beordered to bridge greaterinstallation heights.

Type 29 .9 15 - ELoad group

22.10

SPRING SUPPORTTYPE 28

Spring supportstype 28 11 19 to 28 53 19

Dim E is independent of theload setting. It varies under loadby the corresponding spring travel(see load table page 2.4).Adjustment possibility + 11/4 inch.

Order details:Spring support type 28 .. ..Marking: ..Operating load/Set load: ...lbsWorking travel: ... inch up/down

Type

28 11 1928 12 1928 13 1928 21 1928 22 1928 23 1928 31 1928 32 1928 33 1928 41 1928 42 1928 43 1928 51 1928 52 1928 53 19

A

202020222222242424242424242424

20 3/420 3/420 3/422 3/422 3/422 3/424 3/424 3/424 3/424 3/424 3/424 3/424 3/424 3/424 3/4

17 1/417 1/417 1/419 1/419 1/419 1/420 3/420 3/420 3/420 3/420 3/420 3/420 3/420 3/420 3/4

16 1/216 1/216 1/216 1/216 1/216 1/217 3/417 3/417 3/417 3/417 3/417 3/4191919

162132 3/417 3/42334 3/41823 1/235202742 1/42229 1/244 3/4

1317 3/428 3/414 1/219 3/430 1/215203116 3/423 1/23818 3/425 3/440 1/4

510575795685770

1015840950

1220970

11501630109012801730

1 1/41 1/41 1/41 1/41 1/41 1/41 1/41 1/41 1/41 1/21 1/21 1/21 1/21 1/21 1/2

2 3/82 3/82 3/82 1/22 1/22 1/22 1/22 1/22 1/22 3/42 3/42 3/4333

1111111111 3/161 3/161 3/161 3/81 3/81 3/8

1 7/81 7/81 7/81 7/81 7/81 7/81 7/81 7/81 7/82 1/42 1/42 1/42 5/82 5/82 5/8

B D FE Weight(lbs)SWC H Sd6

blocking device

Application in practice

2.11

ANGULATING SPRING SUPPORTTYPE 20

Angulating spring supportstype 20 D2 19 to 20 92 14

Weld-on brackets type 35are foreseen as connectionparts (see page 3.8).

Dim E is independent of theload setting. It varies under loadby the corresponding spring travel (see load table, page 2.3).Adjustment possibility + 2 inch.

Connection type

Order details:Angulating spring supporttype 20 .. .. with 2 weld-onbrackets 35 .. ..Marking: ..Operating load/Set load: ...lbsWorking travel: ... inch up/down

Type

20 D2 1920 12 1420 22 1420 32 1420 42 1420 52 1420 62 1420 72 1420 82 1420 92 14

A

3 1/23 1/24 1/24 1/2678 5/89 5/89 5/8

10 3/4

0.3930.3930.4720.5900.5900.7870.7871.1811.1811.968

14 1/214 1/21515 1/217 1/418 1/22125 1/22932

1 3/41 3/422 1/42 1/42 1/22 1/23 7/83 7/85 1/8

5/85/83/47/87/8

1 1/41 1/4222 1/2

10 1/410 1/410 1/410 1/411 3/412 1/214 1/2172021 3/4

99

1515335399

154192265

35 29 1335 29 1335 39 1335 49 1335 49 1335 59 1935 59 1935 69 1935 69 1935 79 19

5/85/83/47/87/8

1 1/81 1/81 3/41 3/42 3/8

0.360.360.400.480.480.630.630.870.871.38

d3 H R SGF Weld-on bracketWeight

(lbs)E

Type

20 D9 1920 19 1420 29 1420 39 1420 49 1420 59 1420 69 1420 79 1420 89 1420 99 14

A+2

12 3/412 3/41313 1/8151618 1/221 5/82527

1 5/81 5/81 7/82 3/82 3/8333 1/23 1/24

0.3930.3930.4720.5900.5900.7870.7871.1811.1811.968

20 5/820 5/821 1/821 5/823 1/226 5/829 1/832 7/836 1/440

484857 5/857 1/257 1/276 7/876 3/475 3/495 1/294 7/8

7 7/87 7/88 1/88 1/28 1/2

10 5/810 5/811 1/411 1/413

35 1/435 1/444 5/844 3/842 1/260 7/858 1/454 1/870 1/267 7/8

2.42.42.85.65.6

17.617.623.423.436.4

0.210.210.250.470.470.820.821.181.181.71

D L 11/2

min at Lmin (lbs)E + 3

1/2 min- 11/2

d3 L 11/2

max Installation dimensions greaterthan Emax on load reduction pos-sible. Shorter L dimensions can besupplied, but then without adjust-ment possibility of 11/2 inch.

Order details:Extension for angulatingspring supporttype 20 .9 ..L=...inch

tube(lbs/inch)

G

weight

Installation extension for angulating spring supporttype 20 D9 19 to 20 99 14

E + 31/2 max

- 11/2

weld-on bracket

Min. thread engagement

+31/2-11/2

L 11/2 +2

22.12

SPRING HANGER TRAPEZESTYPE 79

TrapezeType

79 D. 2979 1. 2979 2. 2979 3. 2979 3. 2979 4. 2979 4. 2979 5. 2979 5. 2979 6. 2979 6. 2979 7. 2979 7. 2979 8. 2979 8. 2979 9. 29

d2 L maxWeight (lbs) L= 3 feet at travel rangeNominal load

(1000 lbs)E at travel range

1 2 3 U A B X The 4th digit of the type desig-nation denotes the travel rangeof the spring hanger.1= 2 inch, 2= 4 inch, 3= 8 inch

Permissible center load of theother load conditions see table3.5.3 page 0.5 (Nominal load26980 lbs see load group 9)

Dim E increases under load bythe corresponding spring travel(see load table on page 2.3)

The maximum L dimensionsmay be increased to 941/2 inch,with load reduction of 5% foreach 4 inch of extension.

Order details:Trapeze type 79 .. 21L= inch

Order details:Trapeze, type 79 .. 29 L= inch

0.240.561.122.252.254.504.508.998.99

17.9817.9826.9826.9835.9735.9744.96

3/8 UNC1/2 UNC1/2 UNC5/8 UNC5/8 UNC3/4 UNC3/4 UNC

1 UNC1 UNC1 1/4 UNC1 1/4 UNC1 1/2 UNC1 1/2 UNC1 3/4 UNC1 3/4 UNC2 UNC

67676735 1/270 3/45570 3/449 1/470 3/449 1/494 1/270 3/494 1/247 1/478 3/470 3/4

-11 1/211 1/212 1/21213 3/413 3/416 1/4161817 1/220 1/220 1/422 3/422 3/424 3/4

15 1/415 1/415 1/216 1/415 3/418182019 1/222 3/42225 1/225 1/429 1/429 1/431 3/4

2424 1/424 1/42524 1/227 1/427 1/429 1/428 3/433 3/4333635 3/4444446

4444666688

10 1/410 1/41210 1/41212

3 1/23 1/24 1/24 1/24 1/266778 5/88 5/89 5/89 5/89 5/89 5/8

10 3/4

5 1/25 1/25 1/25 1/27 1/27 1/28 1/88 1/89 1/29 7/8

131313 3/41313 3/414

5/85/85/83/43/4

111 1/81 1/81 3/81 3/81 3/41 3/4222 3/8

-61697298

122138175227307395480530545590835

64667579

105138154192244346434550595640690955

73769096

122170186243295444532660710845890

1185

1.201.201.201.201.741.742.002.003.123.124.744.745.154.745.157.50

-2

per inch1 2 3

TrapezeType

79 D. 2179 1. 2179 2. 2179 3. 2179 4. 2179 5. 2179 6. 2179 7. 2179 8. 2179 9. 21

d2 L maxWeight (lbs) L= 3 feet at travel rangeNominal load

(1000 lbs)

0.240.561.122.254.508.99

17.9826.9835.9744.96

3/8 UNC1/2 UNC1/2 UNC5/8 UNC3/4 UNC

1 UNC1 1/4 UNC1 1/2 UNC1 3/4 UNC2 UNC

555563636982 3/482 3/482 3/484 3/486 1/2

B max

444 1/44 1/456 3/88 1/49 1/2

10 1/411

-39535585

142231340393532

35435962

101159270405489652

44547479

133210368520693882

0.70.91.11.11.52.43.44.85.26.4

per inch(lbs)

1 2 3

E dimensionapprox.

travelrange

123

1 1/4 inch2 1/4 inch4 1/4 inch

Notes ... see above

Spring Hanger trapezestype 79 .. 21

For restricted spaces thedesign shown can bemanufactured as a special.

SWAY BRACETYPE 27

Sway bracetype 27 D2 19 to 27 62 19Maximum working travel1 inch including free stroke

Load setting is carriedout at the works in accor-dance with customer specifications.

Dim E is independent ofload setting. Adjustmentpossibility 11/2 inch.

Weld-on brackets type35 and dynamic pipeclamps type 36 or 37 areforeseen as connectionparts.

Order details:Sway brace type 27 .2 19Marking: ...Operating load/Set load: ...lbsWorking travel: ... inch up/down

If requested, sway bracescan be supplied with shop-fitted extensions

2.13

Extension for sway bracetype 27 D9 19 to 27 69 19

Installation dimensions greaterthan Emax on load reduction pos-sible. Shorter L dimensions can besupplied, but then without adjust-ment possibility of 11/2 inch.

Order details:Extension for sway bracetype 27 .9 19L-dim.: ...... inch

Min. thread engagement

Min. thread engagement

Weld-on bracket

Load adjustment

Free stroke adjustment

Type

27 D2 1927 12 1927 22 1927 32 1927 42 1927 52 1927 62 19

A d3 SGFweld-on bracket

Type Nom. load

(lbs)117281562

1125225044958990

234795

190380761

1522

3 1/23 1/24 1/24 1/2678 5/8

3 1/23 1/23 1/23 1/23 1/23 7/83 7/8

0.3930.3930.4720.5900.5900.7870.787

25 1/425 1/425 1/226 1/428 3/43234 1/2

2222 1/42 1/433

11 5/811 5/811 7/812141517 1/2

5/85/83/47/87/8

1 1/81 1/8

0.360.360.400.480.480.630.63

121222245086

136

27 9493 233

187 467374 935749 1872

1498 37452997 7492

35 29 1335 29 1335 39 1335 49 1335 49 1335 59 1935 59 19

ECalibr. load (lbs)min max

Spring rate(lbs/inch)

C11/2 H RWeight

(lbs)

Type

27 D9 1927 19 1927 29 1927 39 1927 49 1927 59 1927 69 19

D d3 E 3min maxA 1

1/2

23 1/423 1/423 5/82426 5/828 7/831 1/2

1 5/81 5/81 7/82 3/82 3/833

0.3930.3930.4720.5900.5900.7870.787

2.42.42.85.65.6

17.617.6

0.210.210.250.470.470.820.82

at Lmin (lbs)L 11/2 min max tube (lbs/inch)

Weight

31 1/831 1/831 3/432 1/235 1/839 1/242 1/8

636378 3/478 3/478 3/494 3/894 1/2

7 7/87 7/88 1/88 1/28 1/2

10 5/810 5/8

39 3/439 3/455 1/854 3/452 1/865 1/263

11

/ 2

11/2 11/2

3

22.14

upper articulated joint counter nut counter nut guide tube threaded tube counter nut guide rod name plate with travel

scale

travel scale lower ball bushing joint

Load and installation length areadjustable to the correspondingspecifications.

Transfer of force on alternatingdirection of force.

compressive force tensile forceneutral position

Function diagram

travel (inch)11

INSTALLATION ANDOPERATING INSTRUCTIONS

Spring hanger, type 21 (blocked)

Spring hanger, type 25 (blocked)

Spring hangers and spring supportstypes 20, 21, 22, 25, 26, 27, 28, 29

1. Transport and storageWhen transporting, threaded connectionsand travel stops must not be damaged.When stored in the open they should beprotected from dirt and moisture.

2. Delivery conditionUnless agreed otherwise, spring hangers andspring supports are delivered to the siteblocked in the installation position.When hangers or supports are blocked (travelstop in both directions), the spring plate islocked by a special blocking device in thehousing slots.

All spring hangers and supports are suppliedwith a riveted aluminum name plate fittedwith an integral travel scale.The following information is stamped on thename plate:

order number if required set load theoretical travel spring rate of the hanger or support marking and position number test stamp if required

The serial number is stamped directly on the housing.

Spring support, type 29 (blocked)

2.15

Blocking device for singlespring models

Name plate for spring hanger

Spring hangers and sup-ports are used to compen-sate for the thermal move-ment to be expected inpiping systems. Fortrouble-free functioning,correct installation isessential, observing thefollowing instructions:

If specially ordered, the stops can be bolted securely tothe hanger or support after deblocking.

Securing clamp Fixing bolt

The blocking units for single spring models consist ofa set of hinged metal plates. Individual plates can beswivelled into any desired blocking position.

upper connection travel scale blocking unit with securing band name plate lower connection (turnbuckle

with right-hand thread) counter nut

On the travel scale, the theoretical operatingposition is marked with a red, and the theo-retical cold position with a white sticker.Also, the position of the spring plate is markedwith an X on the travel scale. The read out is made at the bottom edge ofthe spring plate.

2.1 Spring hangers, type 21Spring hangers, type 21, have upper andlower connections fitted with right-handthreads. At the top they consist of an internalthread engagement of limited depth, and atthe bottom a turnbuckle. The threads are filledwith grease and sealed with plastic caps.

2.2 Spring hangers, type 22The upper connection of these hangers issupplied as a lug for a connecting pin. Thelower connection consists of a turnbucklewith righthand thread.

2.3 Spring hangers, type 25 & 26Spring hangers, type 25 & 26 are providedwith a fixed support tube to accommodatethe connecting rod.

2.4 Spring supports, type 28 & 29The spring supports are provided with eitherone or four adjustable support tubes fittedwith a loosely mounted, but guided loadplate. The support tubes are screwed in andthe threads greased.

2.5 Angulating spring supports, type 20The angulating spring supports are providedat the top with an adjustable support tubeand a rotatable ball bushing joint, at thebottom with a fixed ball bushing joint. Thejoints provide a suitable connection to thecorresponding weld-on brackets type 35. Thesupport tube is screwed in and the threadsgreased.

Load chain with spring hanger

2

2.16

Angulated spring support, type 20

Spring hanger, type 26

Spring hanger, type 22

Blocking device forheavy dutyspring elementstype 22 to 28 Spring support, type 28

2.6 Sway braces, type 27Sway braces are provided at the top with alength-adjustable ball bushing joint and atthe bottom with a fixed lug suitable for con-nection to weld-on bracket type 35 or dyna-mic clamp type 36 or 37. Presetting of theload and if necessary the free stroke arecarried out at the works in accordance withcustomer requirements.

3. InstallationWhen installing, the rules given in InstallationInstructions for Piping must also be observed.Special care must also be given to theinstalled position of the connecting rodsover the whole support chain. Two possibili-ties are the norm:

1. The connecting rods are to be installed atan angle corresponding to the horizontal dis-placement to be expected. A vertical positionof the rods is expected under normal opera-ting conditions.

2. The connecting rods are to be installedvertically for easier checking. A controlledangled position under normal operating con-ditions is thereby permitted.

In each case there should be unified rulesand regulations for the whole plant.

Connecting rods and points must be actuatedby load at connection points.

3.1 Spring hangers, type 21Connection is made by screwing the connec-ting rod into the upper threaded connectionhole in type 21, and by screwing the lowerconnecting rod into the turnbuckle. As a tension range and length adjustment,the turnbuckle length available in the hangercan be used for the connecting rod.

3.2 Spring hanger, type 22Connection is made by pinning the lug to theupper attachment point and by screwing thelower connecting rod into the turnbuckle. As a tension range and length adjustment,the turnbuckle length available in the hangercan be used for the connecting rod.

2.17

3.3 Spring hangers, type 25 & 26These spring hangers are set on beams andcorrespondingly positioned. Once the preciseposition is defined the unit should be securedagainst horizontal movement. The load actu-ated connection is made via the connectingrod, which is led throught the support tubeand tightened with a nut.

3.4 Spring supports, type 28 & 29After positioning, these spring supports areconnected to the structure by bolting or wel-ding the base plate to the structure. Loaddistribution is applied through the loadplate or through one or more adjustableload tubes.

3.5 Angulating spring supports, type 20The angulating spring supports are connec-ted to the structure after correspondingpositioning by welding the lower weld-onbracket. Load distribution is applied throughthe upper weld-on bracket via the pinconnection to the height-adjustable loadtube.

3.6 Sway braces, type 27After positioning of the connection points,the weld-on brackets are attached andconnection is made through the connectionpins of the brackets or dynamic clamps. The ball bushing joints allow a 11/2 inch[37.5 mm] adjustment of installation length.

4. Removing the travel stopsThe spring hangers and supports should onlybe deblocked when the set load is fullyapplied to all the supports, which form onesystem. If this is the case, the travel stopscan easily be removed. If the travel stops arejammed, the load actually applied does notcorrespond with the theoretical adjustedload. (See Installation and OperatingInstructions, Constant Hangers, page 1.23,item 4, in this regard).

Sway brace, type 27

Case 1Attachment rods vertical duringplant operation

Case 2Attachment rods vertical in installation condition

cold position

cold positionhot position

hot position

2

2.18

connecting rod counter nut lock nut load tube travel stop travel scale name plate

Example of an arrangement with type 25

5. Load readjustment

5.1 Spring hangers, spring supportsFor spring hangers the load can be readjustedby loosening or tightening the threaded rodsat the lock nut. For spring supports, the loadcan be readjusted by a corresponding adjust-ment of the load tube.Under all circumstances, however, the approp-riate technical department must be consultedbefore attempting any load readjustment.

5.2 Sway braces, type 27Load readjustment is made by rotating thethreaded tube (A). The large counter ring (B)is loosened to do this. In order to maintainthe E dimension, the resulting gap is com-pensated for by readjustment of the guidetube.

For sway braces, a free stroke can be set.To do this, the guide tube (C) opposite theinner guide rod (D) is to be unscrewed (loosen middle lock nut). The working travelreduces in the compression direction inaccordance with the free stroke selected.

6. CommissioningBefore commissioning it must be checkedthat each hanger or support allows the pre-calculated movement of the piping.The working travel of the hanger or supportcan be read off at the bottom edge of thespring plate as travel in the blocking slots,and read directly off the travel scale.

7. Checking and maintenanceThe correct functioning of the spring hangersor supports can be checked in all operatingsituations by noting the position of thespring plates. Under normal operating conditions no main-tenance is required.

Spring hanger type 22 with eyenuts as transport lugs

Hydraulic

cylinder

Hydraulic

cylinder

Hydraulic cylinder

Installation devices for readjust-ment of the set load for types22, 26 and 28. The devices canequally well be used asdeblocking aids.

CD

AB

Standard Supports 2010IntroProductsProduct Group 0Product Group 1Product Group 2ContentsSpring hangers, spring supports, sway braces Load table for spring hangers,spring supports and other spring elements Spring hangers, type 21Spring hangers, type 22Spring hangers (seated), type 25Spring hangers (seated), type 26Spring supports, type 29 Spring supports, type 28Angulating spring supports, type 20Spring hanger trapezes, type 79 Sway braces, type 27 Installation and operating instructions

Product Group 3Product Group 4Product Group 5Product Group 6Product Group 7Product Group 8Product Group 9

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