The series of this valve is a kind of sanitary pneumatic valve which are widely used in stainless steel pipeline system to control and regulate medium flow.

Work principle:
This kind of valve can be handled by  a pneumatic actuator. Pneumatic actuator is to covert the axial movement of piston to be 90 degree rotation of valve shaft, so that the valve can be open or close to achieve the requirment of control and open /close for the pipeline system. They have three type of actator: normally open (NO), normally closed (NC), air/air(A/A)

Material:
Steel parts: Stainless steel 304, stainless steel 316L
Seal: Silicone(VMQ), Fluoroelastomer(FPM), EPDM

Stanard Design:
Various standards of valves can be provide can be provided to clients: DIN, 3A, SMS, ISO/IDF, BS/RJ, ASME/BPE etc.
The parts of vave usually includes two pieces body of valve, disc, gasket of valve disc, two bush, and the entire valve is assemble together with bolts and nuts. 
The series of NUOMENG butterfly valve: welded, clamp, male, weld/male, union/male, etc.
The series of actuator: 1. stainless steel pneumatic actuator specification: φ85, φ108 and φ133. 2. Aluminum pneumatic actuator, specification:ZT050D,ZT063D,ZT075D,ZT088D, ZT100D, ZT115D. 3.Electric actuator, specification:HL-05,HL-10, HL-20.
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