HPST-8 Series

Specifications:

• HIGH PRESSURE AIR OPERATED

• 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

Features and Benefits

• FORGED BODY CONSTRUCTION

• AIR OPERATED ACTUATION

• NORMALLY CLOSED OR NORMALLY OPEN

• SPRING TYPE DESIGN

• METAL DIAPHRAGM SEALED

• MEDIUM FLOW, HIGH PRESSURE

• POSITIVE SHUT-OFF

• ULTRASONICALLY DI CLEANED

• 100% HELIUM LEAK TESTED

Additional Configuration Options

• ELECTROPOLISHED ID SURFACE AVAILABLE ON REQUEST

• CUSTOM MATERIALS AND CONFIGURATIONS AVAILABLE ON REQUEST