High Quality Size DN65~DN350 Lever Operated Flange Butterfly Valve

High Quality Size DN65~DN350 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

Our advanced processing equipment and quality testing equipment are a strong guarantee for the quality and safety of our Pneumatic Ball Valve, EN Butterfly Valve, Lug Type Butterfly Valve. We have high-quality staff as well as technology and thoughtful pre-sale and after-sales service. Our company has established a scientific and comprehensive enterprise management and quality management system, and set strict production standards to monitor each production process.

【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!

We insist over the principle of development of 'High top quality, Performance, Sincerity and Down-to-earth working approach' to supply you with exceptional services of processing for High Quality Size DN65~DN350 Lever Operated Flange Butterfly Valve. The organization upholds the philosophy of 'Be No. We will continue to learn lessons from the past development process and move forward hand in hand on the road of building company culture, creating a superior environment for our employees

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