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  Location: home / valves / Spring Type Diaphram Packless / ST-8 SERIES
 

SPRING TYPE DIAPHRAGM ST-8 SERIES

Specifications:

ROUND HANDLE MANUAL
PRESSURE RATING: 3500 PSIG
FLOW COEFFICIENT: Cv =.30
SEAT ORIFICE SIZE: .156 DIAMETER
STANDARD SEAT MATERIAL: PCTFE
TEMPERATURE LIMITS PCTFE SEAT: -65F to 150F
TEMPERATURE LIMITS OPTIONAL POLYIMIDE SEAT: -65F to 250F
MAX ALLOWABLE SEAT LEAKAGE: 2 x 10-8 ATM cc/sec He
MAX INBOARD LEAKAGE: 2 x 10-8 ATM cc/sec He
WETTED DIAPHRAGM: ELGILOY
STANDARD PANEL MOUNT
PANEL HOLE SIZE: 1.125" TO .4375" MAX THICKNESS .312"

Features and Benefits

FORGED BODY CONSTRUCTION
SPRING TYPE DESIGN
METAL DIAPHRAGM SEALED
HIGH FLOW, HIGH PRESSURE
POSITIVE SHUT-OFF
ULTRASONICALLY DI CLEANED
100% HELIUM LEAK TESTED
PANEL MOUNTABLE

Additional Configuration Options

ELECTROPOLISHED ID SURFACE AVAILABLE ON REQUEST
CUSTOM MATERIALS AND CONFIGURATIONS AVAILABLE ON REQUEST

 

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Seat Materials:

PCTFE
POLYIMIDE
 

End Connections:

1/2" MALE AND 1/2" FEMALE PIPE THREAD
3/8" AND 1/2" TUBE SOCKET WELD
1/2" PIPE SOCKET WELD
1/2 MALE AND 1/2 FEMALE FACE SEAL
3/8" AND 1/2" ORBITAL TUBE WELD
CUSTOM CONNECTIONS

STAINLESS STEEL
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