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...
Butterfly valve is used for isolating or regulating flow and its function allows for quick shut off. There are many different kinds of butterfly valves, each adapted for different pressures and different usage in the industry.
Type Available: Wafer type
Size: 1" - 48" ( DN25 - DN1200)
Pressure Range: From PN1.0 to 1.6 (150LB)
Materials Standard: API DIN and etc.
Suitable Temperature: -20℃ - 140℃
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, alcohols , alkaline liquid etc.
1. Small in size and light in weight...Easy installation and maintenance. It can be mounted wherever needed.
2. Simple and compact construction, quick 90 degree on-off operation.
3. Minimized operating torque, energy saving.
4. Flow cure tending to straight line. Excellent regulation performance.
5. Long service life. Standing the test of tens of thousands opening/closing operations.
6. Bubbles-tight sealing with no leakage under the pressure test.
7. Wide selections of materials, applicable for various medium
8. Stem and disc are connected by means of pinless structure with more reliable performance.
Zhejiang Naibang Valve CO., LTD, Founded in 2000, is a professional valve manufacturer integrating design, technical development, produce and sale service, has a solid strength and rich production experience.
The main product are wafer check valves, ball valves, gate valves, globe valves, forged steel valves, and have obtained ISO9001 , API 6D , CE Certificate and TS management system certifications.
1.quick delivery, high quality and reasonable price.
2. We can make products according to the needs of customers.
3. Welcome to inquiry and purchase later in the day for us.
4. Strict quality control system .welcome third party for quality checking
5.We are a factory who focus on produce valves. Adhere to
quality is our belief.
6.All valves according the drawing to produce and 100% pressure
testing, 100%material inspection.