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Pneumatic Actuated Soft Seated Concentric Butterfly Valve
Pneumatic Actuated Soft Seated Concentric Butterfly Valve
Pneumatic Actuated Soft Seated Concentric Butterfly Valve
Pneumatic Actuated Soft Seated Concentric Butterfly Valve
Pneumatic Actuated Soft Seated Concentric Butterfly Valve
Pneumatic Actuated Soft Seated Concentric Butterfly Valve

Pneumatic Actuated Soft Seated Concentric Butterfly Valve

The Pneumatic Actuated Soft Seated Concentric Butterfly Valve is a high performance flow control device designed for general and industrial applications requiring tight shutoff. Featuring a resilient seated design with a soft seat, this butterfly valve ensures bubble-tight sealing and excellent reliability. Unlike offset butterfly valves or triple offset designs that use metal seals, the concentric structure positions the disc in the center of the seat for low-torque operation and minimal leakage. Available in various body materials, this valve is ideal for low to medium pressure systems and offers dependable service with the efficiency of pneumatic actuation.

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Technical Specifications

Design BasisGB Standard
Design StandardGB/T 12238
Face-to-Face DimensionWafer Type (GB/T 12221)
Test & InspectionJB/T 9092

Note:The structural length and connecting flange size of ball valve series can be designed and manufacured as per users'requirements.


Form of Main Parts Materials

No.Part NameMaterial (Z)Material (C)Material (P)
1SeatRubber, PTFERubber, PTFERubber, PTFE
2Taper Pin45 Steel45 SteelStainless Steel
3Butterfly PlateDuctile Iron (Hard Chrome Plated)Carbon Steel / Stainless SteelStainless Steel
4BodyGrey Cast Iron (GG25)Carbon Steel (WCB)Stainless Steel (CF8/CF8M)
5Screw35 SteelCarbon SteelStainless Steel
6Stem45 SteelStainless SteelStainless Steel
7Key45 Steel45 SteelStainless Steel
8BushingCopper Based Powder MetallurgyCopper Based Powder MetallurgyCopper Based Powder Metallurgy
9O-RingRubber、VitonRubber、VitonRubber、Viton
10Pneumatic DeviceAT Series, AW SeriesAT Series, AW SeriesAT Series, AW Series
11Location IndicatorPlasticPlasticPlastic

Note: The main components and sealing rings of the series ball valves can be designed and selected according to actual working conditions or special user requirements.