Main Features: For the structure of the triple-eccentricity seal butterfly valve, when the valve is under the complete open state, its butterfly plate sealing face will break away from the valve seat sealing face completely; when it is opened from 0 to 90°, the butterfly plate sealing face will...
Type Available: Wafer type
Size: 1" - 48" ( DN25 - DN1200)
Pressure Range: PN1.0 - 1.6 (150LB)
Materials Standard: API DIN and etc.
Suitable Temperature: -15℃ - 150℃
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. Small in size, light in weight, easy installation and maintenance.
2. Simple and compact construction, quick 90 degree on-off operation.
3. Minimized operating torque, energy saving.
4. Flow curve tending to straight line, excellent regulation performance.
5. Long service life, standing the test of tens thousands opening/closing operations.
6. BUbbles-tight sealing with no leakage ubder the pressure test.
7. Wide selection of materials, applicable to various medium.
8. Stem and disc are connected by means of pinless structure with more reliable performance.
9. Disc seat and body of non backed slim-disc butterfly valve are connected by frameless structure to overcome leakage on the connecting position of flange sealing surface.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Middle Line inside Butterfly Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.