Belleville butterfly valve

Features

◆ Efficient bi-directional cut-off: Various pressure grades of bi-directional sealing system. For rubber or metal seat types, effective cut-off is produced by line pressure. 

 ◆ Widely replaces ball valves, plug valves and gate valves 

 ◆ Corrosion resistant - and body do not come into contact with pipeline medium 

 ◆ No gasket is required for installation 

 ◆ Light weight, clamp type design 

 ◆ Anti-popping. The upper stem is secured by a retaining ring and it is impossible for a seal failure to occur under pressure

 ◆ Convenient replacement of seat without special tools Easy to match with various actuators : Manual, pneumatic, hydraulic, electric 

 ◆ Different materials available for different medium

 ◆ Simple maintenance, seat, stem, packing can be easily replaced without dismantling the actuator 

 ◆ Little pressure loss, little vibration ◆ Reliable fluid controlling 

 ◆ Wide temperature range applicable: -00 ℃   400 ℃ 

 ◆ Butterfly valve size 40mm ～ 1200 mm, can also be custom made according customer's request. 

 Application occasions: 

 Wastewater treatment; Hot water treatment; High-temperature pipeline; Chemical production; Building material; Paper-making; Sugar-making; Mining; Air pipeline; Air-conditioning; Gas factory; Dry powder; Sand treatment; Food and beverage; Drilling; Desulphurization factory;building factory; Iron and steel; Military; Tobacco; Textile