• Technical drawing of AP 3571 UHP pneumatic diaphragm valve by APTech

AP 3571 UHP Pneumatic Diaphragm Valve

The AP 3571 Pneumatic Diaphragm Valve is a normally closed UHP valve designed for precision gas delivery in high-purity environments. Made from SS VAR with compact connection options, it supports critical applications across semiconductor, biotech, and industrial gas systems. Manufactured by APTech and used in SilPac gas systems or available as a standalone component.
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Specifications
  • Connection Types: 1/4" or 3/8" tube stub and 1/4" face seal
  • Actuation Type: NC
  • Material: SS VAR
  • Operating Pressure: 125 psig
Features
  • Replaceable seat for extended valve service life
  • Surface finish 15 Ra max/10 Ra avg (10, 7, or 5 Ra max options)
  • LOTO and switch options available for process safety compliance
  • Cv of 0.29 for efficient flow control in compact systems
This UHP pneumatic diaphragm valve is manufactured by APTech and used in SilPac gas systems or available as a standalone component for customer integration.

Note: The datasheet above provides general specifications for APTech’s Series AP 30, 35 & 36 UHP pneumatic valves, which includes the AP 3571. For product-specific configuration details, please contact SilPac.

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