Pneumatic flange type hard seal butterfly valve
Pneumatic flange type hard seal butterfly valve
Plate Material: 304, 316, 316L, 1.4529
Seat Material: EPDM, PTFE, alloy
Connection Mode: dual, flanged
Pressure Rating: PN10, PN16
Pneumatic Actuator: three-stage pneumatic actuator
Pneumatic Accessories: solenoid valve, limit switch, filter etc
Body
Nominal diameter: DN40-DN1600
Body material: nodular cast iron, WCB, 304, 316
Connection: clamp, flange and lug
Pressure rating: PN1.0, 1.6, 2.5, 4.0MPa
Structure: eccentric structure
In the valve components
Seat tightness: EPDM: -30℃~120℃
NBR: -30℃~80℃
PTFE: -30℃~140℃
VITON: -30℃~150℃
Plate material: nodular cast iron nickel plating, nylon coating, aluminum bronze, 304, 316, 316L, 1.4529, 2507
Stem material: stainless steel 410, 304
Applicable media: water, liquid, gas, oil, powder, steam, acid and alkali corrosive medium.
Design manufacturing standard
Design and manufacture: GB/T12238-2008
Connection standard: JB/T 79.1-1994
Face to face: GB/T12221-2005
Stress test: GB/T13927-2008
Pneumatic actuator
Double role: a three-stage pneumatic actuators are: 0°, 45°and 90° please determine the median (order)
Single action: when the gas source fails, the gas source fails; 0°to 45°to 90° please determine the median (order)
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