Cast Iron Wafer Butterfly Valve

Cast Iron Wafer Butterfly Valve

The sealing surface of butterfly valve produced by zhejiang zhengfeng valve adopts the sealing design of three-eccentric and flexible multi-layer metal and graphite.

Product Details

To create far more benefit for Flanged Butterfly Valve, 24 Inch Butterfly Valve, Floating Ball Valve. At the same time, our products are manufactured in accordance with high quality standards and are compliant with advanced international standards. Our company is committed to the fastest delivery and perfect after-sales service to satisfy customers. Our company has unswervingly carried out its creed: to seek market by virtue and to create great cause by faith.

【Product Description】:

The sealing surface of butterfly valve produced by zhejiang zhengfeng valve adopts the sealing design of three-eccentric and flexible multi-layer metal and graphite.It ensures good sealing performance and reduces operating torque. The elastic characteristics of multi-layer composite metal sealing ring enable the valve to have zero leakage performance.Our butterfly valves are mainly made of the following materials SS304, SS304L, SS316, SS316L, A105, WCB, hasley alloy, LC2, LC3, LCB, C4, 2205, 2507, C95800, etc


【Product Information】:

* Size : DN350

* Pressure : PN25

* Connection :LUG type ends

* Operation : Gearbox operated

* Body : A216 WCB

* Disc :  A351 CF8M

* Seal :  SS316+Graphite

* Stem : AISI 316

* F/F length : 92mm

* Valve Structure : Triple offset

* Painting : Epoxy paint

* Color card No : RAL 5005

* Design standard: EN593

* End flange dimension: EN1092-1

* Suitable medium : water、oil、gas

* Origin : CHINA P.R


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【Product Performance】: 

1.Multilayer hard seal butterfly valve seal is composed of hard and soft metal sheets. It is formed by high precision machining and is mounted on the disc plate to match the valve seat. It has double advantages of metal seal and elastic seal. It has excellent sealing characteristics both at low temperature and high temperature.

2.The valve seat with three-dimensional eccentric structure has almost no friction with the disc plate, and has the sealing function of tighter and tighter closure.

3.Unique structure, flexible operation, labor-saving, convenient, not affected by high or low pressure of medium, reliable sealing performance, long service life.


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Over the years, the Cast Iron Wafer Butterfly Valve produced by our company has been favored by users and merchants and become their preferred equipment to replace imports. Establish long term and win-win business relationships with all our customers, share the success and enjoy the happiness of spreading our products to the world together. All employees of the company follow the scientific, rigorous and pragmatic corporate style, which has made our products well received by customers for many years.
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