High Quality DN65~DN350 ASME DIN GOST API Ce Lever Operated Flange Butterfly Valve

High Quality DN65~DN350 ASME DIN GOST API Ce Lever Operated Flange 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

According to the constantly changing development of science and technology, as well as the different requirements of customers, we constantly improve product design and export our Stainless Steel Ball Valve, High Performance Butterfly Valve, Cryogenic Ball Valve to countries and regions. All the time, thanks to the support and love of distributors and all customers, the businesses of our company are thriving. To care for the environment, and social returns, care employee social responsibility as own duty. We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development.

【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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Sticking to your belief of 'Creating solutions of high quality and generating buddies with people from all around the world', we always put the fascination of customers to start with for High Quality DN65~DN350 ASME DIN GOST API Ce Lever Operated Flange Butterfly Valve. Therefore, we welcome all types of talents to join with us. Our company has advanced management mode, business philosophy and design and production capacity. In order to ensure that users get honest service.
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