SHENYI AUTOMATIC CONTROLLING VALVE APPARATUS CO.,LTD.
Services We Offer:Pneumatic actuators,Control valves,Electric control valve,Self-reliance control valve,Pneumatic ball valve,Electric Ball Valve,Pneumatic butterfly valve,Electric butterfly valve..

Pneumatic Flange Type Butterfly Valve

Nominal diameter: 50---200mm; 50---500mm
Nominal pressure: 6bar; 10bar; 16bar; 25bar; 40bar
Test pressure:
1. Shell test: 9bar; 15bar; 24bar; 37.5bar; 60bar
2. Seal test: 6.6bar; 11bar; 17.6bar; 27.5bar; 44bar
3. Gas seal test: 6bar; 6bar; 6bar; 6bar; 6bar
Leakage: <0.1*DNmm3/s(GB/T13927-92 standard)
Appropriate temperature:
1. Carbon steel: -29--425 degree
2. Stainless steel: : -40--600 degree
Appropriate medium: Air, water, steam, coalgas, oil and acid, alkali, salt corrosive medium and so on.
Drive modality: Worm wheel drive, gas drive, electric drive