Pneumatic Swing Arc Valve
FREE-VALVE brand swing arc valves are designed for ash handling system.They use a spherical-shape dome and an inflatable-seal to ensure a 100% airtight seal.swing arc valve is unique in its ability to open and close with a tight pressure seal in environment where abrasive material are passing.Dome valve can achieve operating reliability in severe applications .
Features
1.The swing arc valve is actuated through a quarter-circle arc via a rotary actuator or linear double-acting cylinder and linkage mechanism.
2.Tight sealing performance as Inflatable seal self-compensates for wear as the valve is used.The inflatable seal provides continuous wear compensation.
3.The inflatable-seal is only inflated when the valve is fully closed. This avoids shearing or jamming of particles between the seal and dome, and hence increases system reliability.
4.Quick-exhaust valves are used to ensure rapid opening and closing of the valve.
5.During operation, the valve provides a full-bore and unrestricted flow of material, which does not impact on the dome. This prolong service life of the valve. Also, the valve is “self-cleaning”.
6.Easy to maintenance and replacement,what you should do is change the inflatable-seal.
7.Different valve body materials are optional depending on customer need.
Technical Specification:
1) Size Range: NPS4~NPS16,DN50~DN400
2) Pressure Range: Class 150 /PN6 /PN10
3) Applicable Temperature: 0~80℃
4) Connection Type: Flange
5) Sealing material: Inflatable seats /Hard seats
6) Pressure test:GB/T13927, API598
7) Face to Face: GB/T12221, ASME B16.10
8) Valve body : GB/T12224,ASME B16.34
9)Operating Type: Pneumatic
Application:
FREE-VALVE brand pneumatic swing arc valves are suitable for abrasive material with abrasive particles,such as power plants ,ash ,mineral processing ,food industry ,biomass ,steel industry,material handling ,pharmacy etc .
