Made of high-quality 304 stainless steel plate, all welds are treated specially to ensure tight sealing.

No permanent structural deformation under -2500Pa pressure for 60min.

Adopt high-quality sealing materials to ensure both dynamic and static sealing.

Leakage rate less than 0.25% of net volume under ±2500pa pressure after 10,000 consecutive opens and closes, which conforms to National standard GB50346-2011.

Sealing can be guaranteed under conditions of -50℃ to 95℃, hour leakage rate is not more than 0.25% of net volume.

Spare parts are resistant to hydrogen peroxide gas corrosion.

Valve specifications, actuator brands, etc. can be customized.

Regular rectangular product specification: 200*200mm, 400*600mm, 630*1000mm, etc. (support customization according to the user's exhaust ducts)

Regular round product specification: 150mm, 200mm, 250mm, 300mm, etc. (support customization according to the user's exhaust ducts)

GB 50346-2011 Architectural and technical code for biosafety laboratories