Wafer butterfly valve
Device for regulating or cutting off medium in pipeline.
Suitable for handle control device (DN50~300), worm gear, electric and pneumatic control device.
Design and manufacturing standards comply with API 609.
Pressure test is in accordance with API 598.
The structure length is in accordance with API 609.
Side flange standard in accordance with GB/T17241 PN1.0MPa, PN1.6MPa and ASME B16.1 125PSI.
Fluid medium: water, oil, gas and various corrosive media
Using temperature: -10℃ ~ 120℃
Applicable pressure: PN1.0 ~ 1.6MPa
Applicable size: DN50 ~ DN1200
Connection mode: clamp type
Connection standard: GB·ANSI·DIN·API·ISO·BS
Body life: 50 years
Driving device flange
Can be used in handles, gear operators, electric or pneumatic actuators.
Reduced riving to rque, support stem, and effectively sepa rate it with valve body, reduce wear of stem.
Surface of disc axle hole
Through treatment of polishing, precisely fit with seat.
High precision disc external profile
Reach the requirement of bubble-tight, small start and stop to rque, longer usage life of seat.
Stem is not easy to be distorted, eliminating possible leakage in stem.
Strong precision key
Give possible attachment for manual lever or actuator.
Precision taper pin
Ensure positive vibration proof. Stem to disc connection. Easily field replaceable.
Integral stem design
Ensures dependable and positive disc control.
With no need of flange gasket.
Non-collapsible, stretch-resistant and leakage proof. Easily field replaceable.