Check-All Series SSI Seat Materials & Cracking Pressure

Valve
Style
Size
Range
Body
Materials
Other Options
Allowable
Seat Materials
Other Options
Standard
Cracking Pressures
Other Options
More Info.
Standard
Spring Material

More Info.
SSI  ½”-1½”   316 SS
 Brass
VITON®
Buna-N
Neoprene
 TEFLON® resin
KALREZ®
EPDM
"Metal to Metal"
1/8 PSI
½   PSI
1.5 PSI
3.5 PSI
316 SS
SSI  ½”-1½”   C. Steel VITON®
Buna-N
Neoprene
 TEFLON® resin
KALREZ®
"Metal to Metal"
1/8 PSI
½   PSI
1.5 PSI
3.5 PSI
316 SS
SSI  2”

  316 SS
Brass

VITON®
Buna-N
Neoprene
TEFLON® resin
KALREZ®
EPDM
"Metal to Metal"
1/8 PSI
½   PSI
1.5 PSI
316 SS
SSI  2”  C. Steel VITON®
Buna-N
Neoprene
 TEFLON® resin
KALREZ®
"Metal to Metal"
1/8 PSI
½  PSI
1.5 PSI
316 SS
SSI  ½”-2”  Alloy 20
HASTELLOY® C
VITON®
Buna-N
Neoprene
 TEFLON® resin
KALREZ®
EPDM
"Metal to Metal"

½ PSI

HASTELLOY® C
SSI  ½”-2”  MONEL® VITON®
Buna-N
Neoprene
 TEFLON® resin
KALREZ®
EPDM
"Metal to Metal"

½ PSI

MONEL®
SSI  ½”-2”  HASTELLOY® B VITON®
Buna-N
Neoprene
 TEFLON® resin
KALREZ®
EPDM
"Metal to Metal"

½ PSI

HASTELLOY® B
or
HASTELLOY® C

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