API ANSI DIN JIS Pn10 Pn16 Cast Iron Stainless Steel Wafer Butterfly Valve

API ANSI DIN JIS Pn10 Pn16 Cast Iron Stainless Steel 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

We have been ISO9001, CE, and GS certified and strictly adhere to their excellent specifications for 150LB Flanged Butterfly Valve, Lug Type Butterfly Valve, Bronze Butterfly Valve. We will integrate the details of the service with a professional attitude, spirit and practice to make the performance of the service more humane. We share our achievements with customers and continue to innovate technology, so that customers around the world can enjoy the perfect experience brought by our products.

【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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We are a newly rising star in the field of API ANSI DIN JIS Pn10 Pn16 Cast Iron Stainless Steel Wafer Butterfly Valve, with rapid business development. We adhere to the equal emphasis on technology introduction and capital investment, and attach great importance to the training of talents. Our company's integrity, strength and product quality are recognized by the industry.

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