Big Size Butterfly Valve LUG Type - ZFV

- Oct 06, 2019-

ZFV 44’’ 150# LUG TOV already finished and ready to delivery to customer.


Please see detail data of the LUG type triple offset butterfly valve :

NPS 44inch, pressure rate 150LB, Triple Offset consturction, valve operated by gear box with hand wheel, ratio of gear box as per customer’s request, body material C.S. WCB, disc carbon steel WCB, stem stainless steel A276 420, seal stainless steel + graphite laminated, packing graphite, bolting A193 B7&A194 2H.


Main techinical standard :

Design and manufactured API609, Face to face dimension as per API609 Cat. B, End flanges dimension as per ANSI B16.5 , Test and inspection as per API598.


Coating of the butterfly valve were applied as per customer’s request:

The coating is two layers systems: prime coating and finishing coating with Epoxy painting. Color of external body coating is back, color of inner body coating is white, and surface of disc coating is white color, too. paitning dry film thickness is about 200um. We also have other color coating such as blue silver and color in order.


This butterfly valve was carried out hydro testing strictly as per international standard API598, no visual leakage found during hydro testing and air testing. we take the video of testing and send to customer, the valve delivered after customer’s approval.  For tracking purpose, each valve stamped with series number.


ZFV ( Zhejiang zhengfeng valve co., ltd ) is a professional valve manufacturer, producing high qulity butterfly valve with flange type, wafer type, LUG type and butt weld type, available manufacturing standard include API, DIN, JIS. GOST, EN, ISO, GB and so on , with vavious materials to meet different requirements of customer over the world. 

5-1_副本 201907241711448859518[1]


Zhejiang Zhengfeng Valve Co., Ltd