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Zhejiang Zhengfeng Valve Co.,Ltd
Tel: 86-577-67388156
Fax: 86-577-67318585
Email: sales@zfvalve.com
Contact person: DAVID
Add: Hengtong Road, Wuxing Industrial Park, Wenzhou, Zhejiang, China. 325105

High Performance Butterfly Valve

High Performance Butterfly Valve

ZFV high performance butterfly valve. Comparing the general concentric type butterfly valve, high performance butterfly valve have advantage that can be used in higher temperature and pressure so have better performance.

Product Details

ZFV high performance butterfly valve. Comparing the general concentric type butterfly valve, high performance butterfly valve have advantage that can be used in higher temperature and pressure so have better performance.


Product features :

* Nominal Diameter : 20in ( DN500 )

* Rate : ANSI Class 150#

* Connecting Way : LUG ends

* Operation : Manual Gear Actuator

* Torque : 7500N.m

* Face to face length : 127mm

* Seal Structure : metal seated

* Application : Chemical Industry

* Valve Structure : Double offset / two eccentric

* Suitable Temperature : -29°C ~ 300°C

* Suitale Pressure : Not higher than 20Bar

* Suitable service : Water, Oil, gas, powder, Acid service

* Material : body material stainless steel ASTM A351 CF8M, disc material stainless steel, stem material Alloy steel.

* Origin : Zhejiang province , Mainland, China

* Supplying Mode : OEM production

* EN 10204-3.1 certificate : Yes


Operation type of ZFV butterfly valve: Manual handle operator, worm gear with handwheel operator, electric actuator operator, pneumatic actuator operator, etc.


Installation of ZFV LUG end butterfly valve: because of it's threaded body hole construct, the LUG valve can be installed into a pipeline systom using two sets bolts and no nuts, if needed only need one set nut. The valve can be installed between two flanges using a seperate set of bolts for each flange. So either side of the piping system do not disturb the other side .


Diameter of ZFV API LUG style triple butterfly valve: NPS 2-80 inch, pressure class150 - class600.

There are two type connection flange dimension for valve size larger than NPS24 inch, ASME B16.47 A series and ASME B16.47 B series. The price of A series valve and B series valve are differen because different dimensions and different wei


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