Pn25 GB Cast Iron Flange End DN350 Butterfly Valve

Pn25 GB Cast Iron Flange End DN350 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

All kinds of Class 150 Triple Offset Butterfly Valve, Bidirectional Triple Offset Butterfly Valve, Metal To Metal Butterfly Valve produced by our company have reached the national standards. And our company is committed to continually improving effectiveness of our management system to maximize customer satisfaction. We always hold the tenet of quality first and customer first. We will continue to try the best to offer you good quality products and the best service.

【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.


IF YOU HAVE ANY QUESTIONS,PLEASE FREELY CONTACT US!

Our company adheres to the concept of 'science and technology as the guide, market as the opportunity', always stands at the forefront of the Pn25 GB Cast Iron Flange End DN350 Butterfly Valve market, and is willing to work hand in hand with users to create a brilliant career! We are with great passion and sincerity to further fulfill our global customers' needs with good quality and design innovation. Market-oriented and customer-oriented are what we have been being after.

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