ZFV 20’’ 150# LUG Butterfly Valve

- Nov 05, 2019-

ZFV 20’’ 150# LUG Butterfly valve EPDM seated type pass the hydro inspection and ready for delivery.  


Please see detail data of the concentric butterfly valve :

Size NPS 20’’, pressure 150LB, concentric consturction, which is operated by gear box equiped with hand wheel, ratio of gear produce as per factory’s standard. The body material ductile iron, disc material stainless steel 316, stem stainless steel, seat EPDM, bolting A193 B7&A194 2H.


Main techinical standard :

Design and manufactured API609, F-F dimension as per API609 Cat. A, End flanges drilling as per ANSI B16.5 , Test and inspection API598.


Coating of the butterfly valve produced as per factory’s standard :

The painting is two layers systems: prime paiting and finishing coating . Color of outside of body coating is blue.

Paitning dry film thickness is about as per factory’s standard.

Painting color and thickness can be produced according to customer’s requirement.


This butterfly valve was carried out hydro testing, no visual leakage found during hydro testing and air testing. The shell testing pressure is 2.4Mpa by water, the seat seal testing pressure is 1.76Mpa by water, and the air testing pressure is 0.6Mpa by air. If needed we take the video of testing and send to customer for customer’s approval.


ZFV ( Zhejiang zhengfeng valve co., ltd ) is a professional butterfly valve manufacturer, we can produce butterfly valve with standards include API, DIN, JIS. GOST, EN, ISO, GB and so on , provide vavious materials valve to meet different requirements of customer over the world. 



Zhejiang Zhengfeng Valve Co., Ltd