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Diaphragm Seals

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Diaphragm Seal Mounting OptionsDiaphragm Seal Assembly withCooling Element

WIKA Datasheet Cooling Element

Applications

  Direct mounted system is required

  High: >212°F Process Temperature

  Low: < -40°F Process Temperature

Special Features

  Specically designed heat-sink

  Works in combination with diaphragm seal  Dissipates temperatures up to 300°F in normal conditions

Standard Features

Cooling Element

Intended to protect the pressure instrument from high or low

process temperature. Air ow across heat exchanging ns

reduces or increases the temperature of the system ll uid to

protect the pressure measuring instrument.

The cooling element is recommended for process

temperatures above 212°F. It is direct mounted between thepressure instrument and the diaphragm seal. Silicone ll

is recommended. Effective temperature reductions of 300°F

depending upon ambient conditions. All stainless steel

construction is back-welded to stainless steel upper

housing or fange. 

Capillary line

Stainless steel capillary with stainless steel armor provides

a connection between the pressure instrument and the dia-

phragm seal. It protects the pressure instrument from high or

low process temperatures and provides remote reading.

The capillary should be selected as short as possible, sincechanges in ambient temperature conditions may considerably

affect the accuracy and response time of the pressure instru-

ment. Standard length is ve feet; other lengths 2mm and

0.6mm are available upon request.

Installation on mechanical gauges normally requires a gauge

support and gauge adaptor or other surface mounting

provisions.

Shown with XSEL™ Process Gauge and

M93X.D1 All-Welded System

Diaphragm Seal Assembly with Capillary Line,

Gauge Support and Adaptor

 Any level difference between pressure instrument and dia-

phragm seal will cause a pressure indication error. The level

difference can be compensated for during calibration of the

diaphragm seal assembly if level difference is known.

Minor corrections can be made on site by means of an

adjustable pointer or zero adjustment of the pressure instru-

ment.

Gauge Support and Adaptor 

Provides wall mounting of pressure instrument by clamping to

gauge adaptor. Material: gauge support - aluminum or stainless

steel, gauge adaptor - stainless steel.

WIKA Datasheet Cooling Element · 12/2012 Page 1 of 4

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 Diaphragm Seal Mounting Option Table 

Field No. Code Description

  Instrument Mounting To Seal

  DZZ   Direct assembly

  KZS Cooling element

  MK0 Unarmored stainless steel capillary

  MK1 Armored stainless steel capillary

  MK2 PVC coated, armored stainless steel capillary

 1 ??? Other - please specify

  Capillary Line Length

  ZZ   Direct Assembly or Cooling Element

  F1 5 ft length

  F2 10 ft length

  F3 15 ft length

  F4 20 ft length

 2 ?? Other - please specify

  Connection to Seal

  N4 ¼" NPT female

  N2 ½" NPT female

  WI   Weld-in connection (*oered only for capillary or cooling element

mounting to 316 SS seal upper housings) (SS-to-SS only)

 3 ?? Other - please specify (SS-to-SS only)

  System Fill Fluid

  A1 KN2 - Silicone oil (50 cSt)

  F1 KN7 - Glycerine (99.7%)

  E2   KN8 - Fluorolube® FS-5

  G1 KN12 - Glycerine/Water (86.5%/13.5%)

  B1 KN17 - Low temperature silicone oil (4 cSt)

  E1   KN21 - Halocarbon® 6.3

  A2 KN32 - High temperature silicone oil

  K5 KN59 - NEOBEE® M20

  B2 KN68 - Silicone oil (10 cSt)

 J2 KN92 - Medicinal white mineral oil

 K3 KN93 - Food grade silicone oil

 4 ?? Other - please specify

  Additional Mounting Options

 ZZZZ Without

 ID20 Capillary Internal Diameter 0.079” (standard)

 ID10 Capillary Internal Diameter 0.039”

 ID06 Capillary Internal Diameter 0.024” SSTW   Tack-weld instrument connection (SS-to-SS only)

 SSBW   Back-weld instrument connection (SS-to-SS only)

 ALMT Aluminum gauge support with stainless steel adaptor

5 SSMT Stainless steel gauge support with stainless steel adaptor

Mounting Option Table - ___ __ __ __ - ____ ZZZ

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4” Cooling Element

T KEY A B P/N

¼” X ¼” in. 4.68 4.051600885

mm 119 103

½” X ½” in. 4.68 3.861584510

mm 119 98

¼” X weld in. 4.68 4.05

1653512mm 119 103

½” X weld” in. 4.68 3.862081849

mm 119 98

4” Cooling Element

Cooling Performance

Gauge SampleTransmitter Sample

1Food grade ll uids; for sanitary applications2Inert ll uids; for oxidizing process media applications

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Typical Capillary

Gauge Support

KEY A B C D F G H I Material P/N

in. 3.35 2.56 2.20 2.99 1.02 .87 .55 3.94SS 9091882

AL 9091858

KEY A B C T Y P/N

in.

2.95 1.18 1.02   ½ x ½ 1 9091416

2.35 1.18 X  ½ x CPL

CONNECTION1 2084619

2.35 1.18 X  ¼ x CPL

CONNECTION1 50183851

1/4 NPT-F

X

1/4 NPT-M

1/2 NPT-F

X

1/2 NPT-M

Male weld nipple

X

Male weld nipple

5 ft 1030876 1030850 2080494

10 ft 1632540 1655752 2082152

15 ft 50249584 2080141

Gauge Adaptor

How to Order

Add information Sample: Reference page*

Instrument: 232.34 4.5 200 psi 1/2L 57-67

D/S: 990.FR-A-SM20-1-1B-C2-C2-C2-Z-Z-Z

Mounting: DZZZZ-N2-ZZZZ-ZZZ 229

System fll: Silicon oil KN2 228

Additional: N/A

*2013 Price List

Page 4 of 4 WIKA Datasheet Cooling Element · 12/2012

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WIKA Instrument Corporation

1000 Wiegand Boulevard

Lawrenceville, GA 30043-5868

Tel: 888-WIKA-USA • 770-513-8200

Fax: 770-338-5118

E-Mail: info@wika.com

www.wika.com