Pneumatic control type wafe butterfly valve
Pneumatic control type wafe butterfly valve
Body Material: Ball iron, cast steel, 304, 316
Plate Material: Iron plating nickel, nylon board, 304, 316, 316L, 1.4529, 2507
Seat Material: EPDM, NBR
Connection Mode: Dual flanged, optional double flange
Flange Standard: GB, ANSI, JIS, DIN
Pressure Rating: PN16
Pneumatic Actuator: Double action, single action often closed, single function often open
Pneumatic Accessories: Solenoid valve, air filter pressure reducing valve, electric positioner, handwheel
Body
Nominal diameter: DN40-DN1000
Body material: nodular cast iron, 304, 316
Connection: clamp type, flange type, lug type, clip type
Pressure level: PN1.0MPa, PN1.6MPa
Structure: midline structure
Valve assembly
Seat seal: EPDM：-30℃～120℃ NBR ：-30℃～80℃ PTFE：-30℃～140℃ VITON：-30℃～150℃
Valve plate: ductile iron, nickel plated, nylon coated, aluminum bronze, 304, 316, 316L, 1.4529, 2507
Stem material: stainless steel 410, 304
Applicable medium: water, liquid, gas, oil, powder, steam, acid and alkali corrosive medium.
Design and manufacturing standards
Design and manufacture: GB/T12238-2008
Connection standard: JB/T 79.1-1994
Structure length: GB/T12221-2005
Pressure test: GB/T13927-2008
Pneumatic actuator
Double acting: ventilation, ventilation, gas failure to maintain the current position
Single action: ventilation, breathe air to open, closed source fault
Single acting air to close off gas and ventilation: open source, open fault
Optional accessories: reversing solenoid valve, limit switch, air filter pressure reducing valve, electrical positioner, hand wheel mechanism, retaining valve, electrical part can be selected explosion-proof
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