Main Features: The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation...
Type Available: Wafer type
Size: 2" - 48" ( DN50 - DN1200)
Pressure Range: From PN1.0 to 1.6 (150LB)
Materials Standard: API DIN and etc.
Suitable Temperature: -26℃ - 82℃
Shaft: 416, 410, stainless steel.
Sealing: NBR, EPDM or customized.
Body: WCB, Cast iron, Ductile iron（GGG25/GGG20/GGG50）
Disc: WCB, Ductile iron (nickel coated), GGG25/GGG20/GGG50/aluminum bronze, stainless steel.
Suitable Mediums: Fresh or waste water, sea water, sewage, vapor, air, oil, etc.
1. These products are mainly used for pipeline flow, pressure and temperature control of various industrial automation producting, for example: Electricity, petrifaction, metallurgy, environmental protection, energy management, fir-fighting systems.
2. Simultaneously they have good fluid control properties, and can operate simply.
3. They are not only widely used in general industries as petroleum, coal gas, chemical engineering, water treatment, but also used in the cooling water system of thermal power plant.
1. Correcting holes are made on flange according to standard, easy correcting during the installation.
2. Through-out bolt or one-side bolt used. Easy replacing and maintenance.
3. Shaft and disc connected by pin, torque screw or non pin, to achieve the opening and closing.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Carbon Steel Butterfly Valves in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.