металл сидящего клапан

Angle stroke regulating shut-off control valve: cut off control ball valve, PFA/PTFE/F46/Rubber seated Butterfly valve. Our products have the function of cut off. They apply scotch York, single spring. They can endure high frequency, fast action. It adopts space vulcanizing tachnic; the hardness can reach HRC72.corrosion-proof, granule-proof. the leakage class can reach ANSI VI,even zero leakage. Design, manufacture, sales and service of pneumatic, hydraulic and electric actuators and thereby associated control systems, valves including ATEX approved products.