ZFV Triple Offset Butterfly Valve 24inch class 300 LUG type was finished & passed testing and inspection, ready for delivering to client.
Photo of finished valve as below, the valve detail description : TOV, 24’’ ANSI 300LB, LUG type, gear operated, short pattern as per API609 Cat. B, flange as per ASME B16.5 RF, wormgear operated, material body stainless steel 904L, disc stainless steel 904L, seal SS+graphite, disc gasket SS+graphite, stem packing graphite, seal retainer SS 904L, bearing / sleeve stainless . the valve is uni-directional for full pressure difference using.
The valve design and manufacturered by API standard .
There is not special requirement about painting from cutomer , so for this stainless steel valve no painting allied to valve body , as per standard.
The stainless steel 904L is highly anti-corrosive against to acid such sulphoric acid, phosphoric acid, etc. The anti-corrosive performance is better than general stainless steel SS304, SS316.
The diameter of butterfly valve is 600mm, also carried out hydrostatic and air testing strictly as per international standard API598/API609. The pressure rate of shell testing is 7.5Mpa by hydrostatic medium water , the high pressure seat seal pressure rate is 5.5Mpa by hydrostatic medium water, low pressure seat sealing testing is is 0.7Mpa by air .
ZFV ( Zhejiang zhengfeng valve co., ltd ) is a professional factory manufacturing butterfly valve, ball valve etc, withflange end, wafer end, LUG end and butt weld end type , etc.
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