Wafer Type Backed Seat Butterfly Valve

Wafer Type Backed 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

We have put in place a professional technical research and service team that can select Triple Eccentric Butterfly Valve, Flanged Butterfly Valve, Stainless Steel Ball Valve that meet requirements based on customer needs and actual conditions. In addition to product advantages, building corporate culture, cultivating corporate spirit, shaping corporate image, and improving employee quality are also particularly important for enhancing corporate competitiveness. Corporate governance has become our company's current policy focus, which based on China's already and ongoing market reforms. We have always been adhering to the business philosophy of 'user-based value support', meticulous service and win-win cooperation. With the aim of 'compete with good quality and develop with creativity' and the service principle of 'take customers' demand as orientation', we will earnestly provide qualified products and good service for domestic and international customers.

【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


【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.


We are able to guarantee you products high quality and competitive value for Wafer Type Backed Seat Butterfly Valve. We firmly believe that a good reputation comes from high-quality products as well as professional and thoughtful service. We have always clung to the tenet of seeking development by reputation, survival by quality, and benefiting from management, and we continue to develop with the joint efforts of all employees.


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