Conval Equipment Ltd.

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Diaphragm Seals



The comprehensive line of Ashcroft® diaphragm seals will meet a wide variety of application or installation requirements. Over 30,000 variations are possible with the types, connections and materials available.

Process Connection

Diaphragm

Size

Code

Material

Code

1/4" 25 316L Stainless S
1/2" 50 304 Stainless C
3/4" 75 K-Monel P
1" 10 Nickel N
1½" 15 Carpenter 20 D
2" 20 Tantalum U
3" 30 Hastelloy B G
4" 40 Hastelloy C H
6" 60 Teflon T
8" 80 Viton Y
Kalrez K
Titanium TI

Bottom Housing

Instrument Connection

Material

Code

Size

Code

Steel B 1/4" 02T
304L CL 1/2" 04T
316L SL

Filling Fluid

Hastelloy B G

Fluid

Code

Hastelloy C H Glycerin CG
Carpenter 20 D Silicone (direct to 10' capillary) CK
Monel 400 M Silicone (over 10' capillary) EJ
Inconel 800 W Halocarbon CF
Nickel N Syltherm HA
PVC V
Tantalum Clad Stainless SU
Halarº Coated Steel SH
Teflon T
Kynar KY
Titanium TI

 

How to order a diaphragm seal

 

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Last modified: February 19, 2004