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

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