capacity charts for gas pressure...
TRANSCRIPT
BULLETIN MI2051-02/06
Capacity Charts for GasPressure Regulators
The capacity of any regulator is not an absolute value, but will vary with the applicationdepending on the prevailing differential. We hope the following charts will help you inyour selection of a properly sized regulator.Maxitrol gas appliances regulators should be installed and operated inaccordance with our “Safety Warning Bulletin” — no untrained person should attempt toinstall, maintain, or service a gas pressure regulator.
POPPET MODELS — capacities expressed in Btu/h. — 0.64 sp gr gasMaxitrol recommended maximum inlet pressure.................... 1/2 psi
Model Pipe SizePressure Drop
@ 0.3” w.c.Range of Regulation
Main Burner M.B. and PilotIndividual Load
Ball CheckDevicesFixed Orifices
RV12 1/8” x 1/8”3/16” x 3/16”
14,8008,800
30,000 25,00015,000
20,00015,000
—
RV201/4” x 1/4”3/8’’ x 3/8” 30,000 65,000 50,000 30,000 —
RV20C1/4” X 1/4”3/8” X 3/8” 30,000 75,000 50,000 15,000 —
CV47RV47
3/8” X 3/8”1/2” X 1/2”
55,00060,000 125,000 90,000 40,000 125,000
CV47A & CRV47A & C
3/8” X 3/8”1/2” x 1/2”
55,00060,000 125,000 125,000 40,000 125,000
RV481/2” X 1/2”3/4” X 3/4”
130,000150,000
230,000250,000
230,000250,000 40,000 160,000
RV48C1/2” x 1/2”3/4” x 3/4”
130,000150,000 400,000
275,000 Nat250,000 LP 40,000 160,000
NOTE: Minimum main burner regulation capacity for all models (except “N”) is 150 Btu/h
STRAIGHT-THRU-FLOW — capacities expressed in CFH — 0.64 sp gr gasMaxitrol recommended maximum inlet pressure: RV52 & 53..................1/2 psi
RV61, 81, 91 & 111..... 1 psiR131............................ 2 psi
Model Number and PipeSize
CSAMAX 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 2.0 3.0 4.0
RV52 1/2 x 1/23/4 x 3/4
450450
151151
214214
262262
302302
338338
370370
400400
427427
453453
478478
676676
828828
956956
RV533/4 x 3/4
1 x 1710710
217217
306306
375375
433433
484484
530530
573573
612612
650650
684684
968968
11851185
13691369
RV61 1 x 11-1/4 x 1-1/4
11001100
379379
536536
675675
759759
848848
929929
10041004
10731073
11381138
12001200
17421742
21342134
24642464
RV811-1/4 x 1-1/41-1/2 x 1-1/2
25002500
780780
11021102
13501350
15591559
17431743
19091909
20622062
22042204
23392339
24652465
34853485
42694269
49294929
RV91 2 x 22-1/2 x 2-1/2
32753275
12121212
17141714
21002100
24242424
27112711
29692969
32083208
34293429
36373637
38343834
54225422
66406640
76687668
RV111 2-1/2 x 2-1/23 x 3
75007500
27422742
38783878
47504750
54855485
61326132
67186718
72567256
77577757
82278227
85728572
1213412134
1486214862
1716117161
RV131 4 x 4 — 4734 6695 8200 9468 10586 11596 12525 13390 14202 14971 21172 25930 29942
Pressure Drop (inches w.c.)
325 SERIES — capacities expressed in CFH — 0.64 sp gr gas325 Appliance RegulatorsMaximum inlet pressure..............10 psi (2 or 5 psi CSA)
Model Number and PipeSize (Inlet & Outlet) 0.3” 0.5” 1.0” 3.0” 5.0” 7.0” 1/2 psi 3/4 psi 1 psi
Pressure Drop
325-3
325-5A
30 39 55 95 123 146 205 251 287
68 88 125 217 280 331 465 570 658
3/8”, 1/2”
1/2”, 3/4”, 1”
CSA Max.Capacity
CSA Max.Ind. Load
325-7
325 2 psi Line RegulatorsMaximum inlet pressure.................2 psi (CSA)
325-3L
325 5 psi Line RegulatorsMaximum inlet pressure...................5 psi (CSA)
Model Number and PipeSize (Inlet & Outlet)
CSA Max.Capacity
CSA Max.Ind. Load
Pressure Drop1.0” 3.0” 5.0” 7.0” 1/2 psi 3/4 psi 1 psi 1.5 psi 1.75 psi
1.5 psi 1.75 psi
260 450 581 690 972 1191 1375 1685 1820
150 100
300 250
900 1000- 142 184
355
806
383
870
3/8”, 1/2”
1/2”
1-1/4”, 1-1/2”
250
425550
1000
140
300
900
55
125
260
95
217
450
123
280
581
146
331
690
205
465
972
-
-
- - -
300 125 217 280 331
1-1/4”1-1/2” -
--
-
--
-
--
-
--
-
- : Non-CSA Certified
3/4”, 1”325-5AL
325-7L
325-5AL48
325-5AL600
325-7L210D
325-3L48
325-3L47
Model Number and PipeSize (Inlet & Outlet)
CSA Max.Capacity
CSA Max.Ind. Load
3/8”, 1/2”
1/2”
1/2”
3/4”3/4”
1”
1-1/4”
1-1/2”
125
200
235320425
465
900
125
200
235
320425
465
900
50
61
120124
131
143
250
87
106
208215227
248
433
112
136
277-
293
320
559
132
161
-
347
378
661
1.0” 3.0” 5.0” 7.0”Pressure Drop
- - - - -
- - - - -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1/2 psi 3/4 psi 1 psi 1.5 psi 1.75 psi
- - - - - -
- - - - -
CAUTION: Operation of combustion equip-ment can be hazardous resulting in bodilyinjury or equipment damage. Each burnershould be supervised by a combustion safe-guard and only qualified personnel shouldinstall, make system adjustments and per-form any required service.
NOTICE: Maxitrol practices a policyof continuous improvement in the de-sign of its products. It reserves theright to change the specifcations atany time without prior notice.
ORDAN THERMAL PRODUCTS LTDCombustion Equipment & Controls for Industry
21 Amber St # 9, Markham Ontario Canada L3R 4Z3 Tel: (905) 475-9292 Fax: (905) 475-3286
www.ordanthermal.com
210 SERIES — capacities expressed in CFH — 0.64 sp gr gasMaxitrol recommended maximum inlet pressure..................10 psiModel Number and
Pipe Size
210D
210E
210G
210J
1 x 11-1/4 x 1-1/41-1/2 x 1-1/2
1-1/2 x 1-1/22 x 2
2-1/2 x 2-1/23 x 3
4 x 4
———
——
14101555
2700
0.1 0.3
10501210
24502695
4700
———
0.5 1.0 3.0 5.0 7.0 1/2 psi 3/4 psi 1 psi 1.5 psi
———
13501560
31603475
90011001200
19152210
44704920
8600
160019002100
33153825
77408520
15000
200025002700
42804940
999511000
19000
240029003200
50655845
1182513020
23000
330041004500
71258225
1663518310
32000
410050005500
872510070
2037522425
40000
475058506350
1007511630
2352525890
45500
580071507750
1234014245
2881031710
55700
R/RS SERIES — capacities expressed in CFH — 0.64Maxitrol recommended maximum inlet pressure: R Model..............1 psi
RS Model........... 5 psi
Model Number andPipe Size
R400 &R400SR500 &R500S
R600 &R600S
3/8 x 3/81/2 x 1/21/2 x 1/23/4 x 3/4
3/4 x 3/41 x 1
Pressure Drop (inches w.c.)
Pressure Drop (inches w.c.)0.2 0.4 0.6 0.8 1.0 1.5 2.0 2.5 3.0 3.5 4.0
7786163196
298330
110121231277
421468
134148283340
516572
155172327392
595661
174192366438
666739
212235447537
816906
245271516620
9421046
274303577693
10541169
——
635760
11501280
——
685820
12451380
——730876
13351480
6000
CAUTION: Operation of combustion equip-ment can be hazardous resulting in bodilyinjury or equipment damage. Each burnershould be supervised by a combustion safe-guard and only qualified personnel shouldinstall, make system adjustments and per-form any required service.
NOTICE: Maxitrol practices a policyof continuous improvement in the de-sign of its products. It reserves theright to change the specifcations atany time without prior notice.
ORDAN THERMAL PRODUCTS LTDCombustion Equipment & Controls for Industry
21 Amber St # 9, Markham Ontario Canada L3R 4Z3 Tel: (905) 475-9292 Fax: (905) 475-3286
www.ordanthermal.com