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AV-10BP Sanitary Tank Bottom Diaphragm Valve

AV-10BP sanitary tank bottom valve is used extensively in the tanks and vessels for pharmaceutical, biological, and food industries. This series includes tank bottom diaphragm valves, tank bottom seat valves, elbow-type tank bottom valves, etc.

Product wetted steel parts: AISI 316L
Other steel parts: AISI 304

Optional: EPDM/Silicone/FPM(Viton), all seals complying with FDA 21CFR177.2600.

Design Standard:

  •          Tightly structured, the valve can be installed in small space.
  •          Discharge materials without blind angle and residual leakage.
  •          Various standards: DIN, 3A, ISO/IDF, BS/RJT, etc.
  •          End connections: Sanitary Clamp, Flanged, or others upon request.
  •          Both manual and pneumatic operations available as customers require.
  •          Pneumatic head with or without C-top and position sensor.

Technical Specification:

  •          Size:1”-4” DN25-DN100
  •          Max. pressure: 116psi (8bar)
  •          Control air pressure: 70-116 (5-8bar)
  •          Highest temperature range: Stainless steel actuator: -12° F to 302° F (-20°C to 150°C)
  •                                   Plastic  actuator: -12° F to 266° F (-20°C to 130°C)
  •          Sterilization temperature: 302° F ( 150° C, MAX 20 min)
  •          Pneumatic connection: G1/8" (BSP)
  •          Finish: <32Ra (<0.8 µm) Other finishes available upon request

Technical Parameter

Steel Material

Product wetted steel parts


Provided with material inspection report

Other steel parts

AISI 304

Seal Material



All seal materials comply with FDA 21CFR177.2600


EPDM, FPM, Silicone


Working Pressure

0-145psi (0-10bar)

Supply pressure for air actuator

Min.- Max.: 5~8bar (70-116 PSI)


Working temperature

Stainless steel actuator: -12° F to 302° F (-20°C to 150°C)

Plastic  actuator: -12° F to 266° F (-20°C to 130°C)

Surface Treatment

Inside surface treatment

Ra 16-32 µ in (0.4-0.8 µm)

Outside surface treatment

Sand blast or mirror


End connections: Sanitary Clamp, Flanged, or others upon request

Pneumatic head

Normally closed (NC)-Air to open and spring to close;
Normally open (NO)-Air to close and spring to open;
Air to Air (AA)-Air to open, air to close.


Contact us for more information and best pricing.