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RKS fluid was founded in 1997. We are a production workshop for both foundry and machining, research & development center, and quality inspection cent...
Swing check valve is mounted with a disc that swings on a hinge or shaft. The disc swings off the seat to allow forward flow and when the flow is stop...
Features: Fully bore globe pattern design, lowest head loss while fully open Keep stable working condition even the flow rate close to zero High sens...
Ⅰ Business area: fluid control products, technology and environmental protection products. Ⅱ Advanced CNC machining centers, professional process ce...
RKS fluid was founded in 1997. We are a production workshop for both foundry and machining, research & development center, and quality inspection cent...
Series: SASQUATCH series soft seal gate valve Port size: DN50 - DN900 (NPS2-NPS36) Pressure rating: PN10, PN16 Temperature: 0℃~80℃ Connection: Flange Certificate: CE ,WRAS,API,OHSAS18001:2007,ISO9001:2015
Series: HYDRA Series Resilient Seat Butterfly Valve Temperature: -29℃ ~ +120℃ Pressure: PN6, PN10, PN16(Class 150) Port Size: DN32-DN2400(NPS1 1/4-NPS96) Power: Manual, Electric, Pneumatic, Hydraulic
The classification of pneumatic butterfly valves in different forms is as follows:
1. Sort by structure
(1) center seal butterfly valve;
(2) single eccentric seal butterfly valve;
(3) double eccentric seal butterfly valve;
(4) three eccentric seal butterfly valve;
2. According to sealing surface material classification
(1) soft seal butterfly valve; 1) the sealing pair is composed of non-metallic soft materials and non-metallic soft materials; 2) the sealing pair is composed of metal hard material and non-metal soft material.
(2) metal hard seal butterfly valve. The sealing pair is composed of metal hard material and metal hard material.
3. Classified by seal type
(1) forced seal butterfly valve: 1) elastic seal butterfly valve. Sealing pressure is produced by the valve closing when the disc squeezes the seat, the seat or the disc elasticity; 2) torque seal butterfly valve. The seal pressure is generated by the torque applied to the valve shaft;
(2) pressure seal butterfly valve. The seal pressure is caused by the charging of the cartridge seal element on the seat or disc.
(3) automatic seal butterfly valve. The seal pressure is generated automatically by the medium pressure.
4. By job stress
(1) vacuum butterfly valve;
(2) low pressure butterfly valve;
(3) medium pressure butterfly valve;
(4) high pressure butterfly valve;
(5) ultra-high pressure butterfly valve.