4 Inch Handle PTFE Seated Manual Stainless Steel Wafer Butterfly Valve

4 Inch Handle PTFE Seated Manual Stainless Steel Wafer Butterfly Valve

* 6 inch size
* Class 150LB Pressure Rate
* Wafer type ends
* Bare shaft with top flange
* 56MM face - face length

Product Details

Our company strictly selects the world's top material manufacturers, eliminates brand premiums and intermediate links to provide consumers with Flange Type Butterfly Valve, DIN Butterfly Valve, High Performance Butterfly Valve that truly integrate function, appearance and price. We use excellent brand culture and high-quality products to advocate a new life and production concept. All departments of our company are strictly managed, with clarified responsibilities.

【Product Description

PTFE Seated Butterfly Valve is designed to meet the needs of many corrosive environments with strong acid and alkali, petroleum, chemical, food and other special fields. It uses a valve body made of Teflon and has a strong anti-corrosion effect. It can replace stainless steel valve body under normal conditions and has higher cost performance. 

The butterfly valve's disc is mounted in the diameter direction of the pipe. In the cylindrical passage of the butterfly valve body, the disc-shaped disc rotates around the axis, and the rotation angle is between 0° and 90°.


【Product Features

* D71F-6''-150lb

* Free shaft with top flange

* Tight shut off, concentric type butterfly valve

* For chemical, corrosive service usage

* Light Blue finishing painting, RAL5011

* Epoxy finishing painting as per request

* Suitable Temperature -29°C ~ 120°C

* Suitable pressure not higher than 16Bar

* Material : body:ductile iron, disc: ASTM A351 CF8M, seat: PTFE

* Strong function, small size, light weight, reliable performance

* Suitable for occasions where the medium is viscous, containing particles.


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【Different types of Fluoroplastics

1. PTFE

PTFE Seated Butterfly Valve has high impact strength, but tensile strength, wear resistance and creep resistance are worse than other engineering plastics. Glass fiber, bronze, carbon and graphite are sometimes added to improve their special mechanical properties.

2. PFA

PFA is a soluble polytetrafluoroethylene. PFA is a modified polytetrafluoroethylene with a temperature of 260 ° C. The perfluoroalkoxy resin PFA resin is a relatively new melt processable fluoroplastic. PFA has a melting point of about 580 °F and a density of 2.13 - (g/cm3)

3. NYLON

Its most outstanding advantage is that its wear resistance is superior to other fibers, followed by good elasticity. This material can therefore be used for valve lining materials and valve sealing materials. Use nylon at temperatures below 100 degrees Celsius.


Based on the 4 Inch Handle PTFE Seated Manual Stainless Steel Wafer Butterfly Valve industry, our company uses its own advantages, integrates superior resources, upholds the concept of win-win cooperation, and actively expands into new areas. We always follow the tenet of 'reputation comes from quality'. We always develop and manufacture new products to meet the needs of consumers. We welcome domestic and foreign businessmen to join hands to create business opportunities. If you have any comments about our company or products, please feel free to contact us, your coming mail will be highly appreciated.

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