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Worm gear clamp butterfly valve

PRODUCTS > Butterfly valve > Worm gear clamp butterfly valve

Worm gear clamp butterfly valve

Body material: ductile iron, cast steel, 304, 316
Material of valve plate: nickel plated ductile iron, nylon plate, 304, 316, 316L, 1.4529, 2507
Seat materials: EPDM, NBR
Connection: double flange, optional
Flange standard: GB, ANSI, JIS, DIN
Pressure level: PN16
Pneumatic actuators: double-acting, single-acting normally closed, single-acting normally open
Pneumatic accessories: solenoid valve, air filter reducing valve, electrical positioner, handwheel
shared:

Valve body

Nominal diameter: DN40-DN1000

Body material: ductile iron, 304, 316

Connection: clamp, flange, lug clamp

Pressure classes: pn1.0mpa, pn1.6mpa

Structure: center line structure

 

In the valve components

Valve seat seal: EPDM: -30℃ ~ 120℃ NBR: -30℃ ~ 80℃ PTFE: -30℃ ~ 140℃ VITON: -30℃ ~ 150℃

Valve plate: ductile iron nickel plating, nylon coating, 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 standard

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 function: ventilation on, ventilation off, air source fault to maintain the current position

Single acting gas open type: ventilation open, air off, air source fault closed

Single acting gas off type: ventilation off, air off, air source fault open

Optional accessories: reversing solenoid valve, limit switch, air filter pressure reducing valve, electrical positioner, handwheel mechanism, position protection valve electrical part can choose explosion-proof


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