Check-All Series GPI Seat Materials & Cracking Pressure

 

Valve
Style		 Size
Range		 Body
Materials		 Allowable
Seat Materials		 Standard
Cracking Pressures		 Standard
Spring Material
GPI 1”-2”  TEFLON® resin VITON®
EPDM
Buna-N
Neoprene
KALREZ®
"Metal to Metal"		 1/8 PSI
½  PSI
1.5 PSI
3.5 PSI		 TEFLON® resin
Encapsulated
316 SS
GPI 3”-4”  TEFLON® resin VITON®
EPDM
Buna-N
Neoprene
KALREZ®
"Metal to Metal"		 1/8 PSI
½  PSI
1.5 PSI
 TEFLON® resin
Encapsulated
316 SS

 
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