I ValveMaterial
Body:Graycast iron,ductile cast iron,cast steel,alloy aluminum,stainless steel,etc
Valve plate:two phase stainless steel,Nylon 11 plate,galvanized sheet,albronze
Valve seat:NBR,NR,EPDM,HYPAON,HRR,WRR,VITON,PTEE,R-PTE
II Application Circumstance
Inside nominal diameter: DN50-1000mm
Max work pressure:1.6mpa
Temperature:-50℃-235℃
Operation:pneumatic(limitswitch,solenoid valve,hand wheel and positioned)
III Product features
1. Extrusion high strength aluminized cylinder body, inner surface finegrinding finishing and hard anodizing treatment, low friction coefficient, long service life, strong corrosion resistance.
2.Double piston pinion rack design,compact structure, symmetrical installation position, easy to change the output shaft steering, long service life, fast action.
3.The back of piston rack is equipped with compound bearing and guide ring, which has accurate action, low frictionco efficient and long service life. Combined preload coating spring has a long working life.
4.High precision gear and rack, small meshing clearance, high precision, high output rate.
5.Stainless steel fastener, safe and beautiful, strong corrosion resistance.
6.Fully in line with the latestinter national specifications: output shaft slot, screw hole; The size of the top mounting hole conforms to namur standard; The air source interface size conforms to namur standard; The size of the bottom mounting hole conforms to ISO5211, DIN3337 standard, convenient for installing solenoid valve, limit switch and other accessories.
IV Multi functions
Pneumatic butterfly valves are applied on system pipelines in many fields like petrol oil,chemistry, food,medicines,paper-making,water power,ship-building,plumbing,metallurgy and power source,Thy can also be applied inmany corrosive gases,liquids,half liquids and solid powder medium.
V Pneumatic soft seal butterfly valve structure and material
VI Double Acting Pneumatic Wafer Butterfly Valve
VII Spring Return Pneumatic Wafer Butterfly Valve
Pneumatic Soft-sealed Butterfly Valve（Download）
