DN350 PN25 LUG Triple Offset Butterfly Valve - ZFV

- Jul 06, 2019-

ZFV DN350 PN25 LUG Triple Offset Butterfly Valve were finished & pass the test and inspection , delivered to customer. 


Refer to below pictures, ZFV DN350 PN25 LUG Triple Offset Butterfly Valve, gear operated, body material carbon steel A216 WCB, disc A351 CF8M, shaft A182 F316, seal stainless steel 316 + graphite

Design and manufactured as per EN593 

Face to face dimension as per EN558 

End flanges dimension as per EN1092-1 

Test and inspection as per EN12266-1

Test & inspection as per API 598

Painting standard as per customer's request 


The butterfly valves are used in industry area, where request no visible leakage inside and outside of valve. 

The painging standard are carried out as per customer's request, dry film thickness 250um max., color blue . 

The valve are carried out hydro testing strictly as per international standard EN12266-1 and tested ok, each valve are tracable by unique series number . 


Zhejiang zhengfeng valve co., ltd is one of professional butterfly valve manufacturer, producing high qulity butterfly valve with flange end, wafer end, LUG end and butt weld end type . 


Available manufacturing standard include API, DIN, JIS. GOST, EN, ISO, GB and so on . also produce special standard valve by customer's order. 


Zhejiang Zhengfeng Valve Co., Ltd