The AP Tech APSM is a high-purity manual diaphragm valve engineered for demanding gas delivery applications. Featuring a /-turn lever actuation, this valve offers precise control and clear visual indication of open/closed status. Its springless design ensures ultra-clean operation, making it ideal for semiconductor, pharmaceutical, and specialty gas systems.

Key Features:

Model: APSM
Brand: AP Tech (Advanced Pressure Technology)
Valve Type: Manual diaphragm valve, springless design
Actuation: /-turn lever with lockout/tagout (LOTO) compatibility
Flow Coefficient (Cv): .
Operating Pressure: Vacuum to , psig ( bar)
Proof Pressure: , psig ( bar)
Burst Pressure: , psig ( bar)
Operating Temperature Range: - °C to + °C
Internal Volume: . in³ (. cm³)
Leakage Rates:
- Across Seat: ≤ × ⁻⁸ sccs He at  psig
- Outboard: ≤ × ⁻⁹ sccs He at  psig
- Inboard: ≤ × ⁻¹⁰ sccs He
Wetted Materials:
- Body: L VAR stainless steel (electropolished and passivated)
- Diaphragm: Elgiloy
- Seat: PCTFE (Vespel optional)
End Connections: /” or /” face seal (MV/FV) or tube weld (TW/TW)
Surface Finish:  µin Ra max standard; optional finishes down to  µin Ra max
Mounting Options: Panel mount compatible
Applications: Ideal for high-purity gas systems in semiconductor manufacturing, pharmaceutical production, and specialty gas distribution

AP Tech - AP3625SM - 1/4” Springless Diaphragm Valve, 3,000 psig, Lever Actuated

AP Tech - AP3625SM - 1/4” Springless Diaphragm Valve, 3,000 psig, Lever Actuated