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  • 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
Material:SS VAR
Actuation Type:Normally closed
Connection Types:1/4" or 3/8" tube stub and 1/4" face seal
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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