• Technical drawing of AP 3550 UHP pneumatic diaphragm valve by APTech

AP 3550 UHP Pneumatic Diaphragm Valve

The AP 3550 Pneumatic Diaphragm Valve is a normally closed UHP valve engineered for high-performance gas delivery in ultra-clean environments. Built from SS VAR with compact connection options, it delivers precise flow control and flexibility across a wide pressure range. 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
  • Material: SS VAR
  • Actuation Type: Normally closed
  • Operating Pressure: 300 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 3550. For product-specific configuration details, please contact SilPac.

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