Lug Type Pin Vulcanized Seat Butterfly Valve

Lug Type Pin Vulcanized Seat 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

Our merchandise are broadly identified and trusted by end users and can satisfy continually developing economic and social requires for Flange Type Butterfly Valve, LUG Double Offset Butterfly Valve, Metal-seated Butterfly Valve. We have got high praise by partner. While improving the company's operational efficiency and increasing production capacity, we promise that we do not sacrifice product quality at the same time. We keep up with the advanced level of the industry, achieve leapfrog development, continue to innovate, and strive to provide users with zero-defect 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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'Quality to start with, Honesty as base, Sincere company and mutual profit' is our idea, as a way to build constantly and pursue the excellence for Lug Type Pin Vulcanized Seat Butterfly Valve. We maintain a good reputation and image, and strive to build an efficient cooperative team. 'Starting from customer requirements, ending with customer satisfaction' is the core of our enterprise activities. As long as customers give us a service opportunity, we will return customers satisfaction with practical actions, which is our constant commitment.

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