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1.Correcting holes are made on flange according to standard, easy correcting during installation.
2.Through-out bolt or one-side bolt is used. Easy replacing and maintenance.
3.Shaft and disc are connected by pin, torque screw or pin less, to achieve the opening and closing.
Pressure: 150LB (PN10~PN16)
Connection Ends: Flange, Wafer, Lug
Seat: Soft Seated
Operated Device: Lever, Worm Gear, Electric, Pneumatic.
Design & Manufacture: API 609, EN593
Pressure and Temperature Range: ASME B16.34
Face to Face Standard: API609
Flange Ends: ASME B16.5
Test & Inspect: API 608
Range of Materials:
Cast Iron, Ductile Iron, Al-Bronze, ASTM A105, ASTM A352 LCB, ASTM 217 WC6, ASTM A351 CF8, ASME A351 CF8M etc.
The design is novel, reasonable, unique in structure, light in weight, and quick to open and close.
Small operating torque, convenient operation, labor-saving and smart.
It can be installed in any position and maintenance is convenient.
The seal can be replaced, and the sealing performance is reliable to achieve two-way sealing with zero leakage.
The sealing material is resistant to aging, weak corrosion, and long service life.
As a component used to realize the on-off and flow control of the pipeline system, the concentric butterfly valve has been extremely widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower, etc.
Why Choose US:
Strict quality management
Strong technical team