API Double Flanged Triple Offset Butterfly Valve - ZFV

- Dec 28, 2017-

ZFV double flanged end triple offset butterfly valve were finished and delivered to customer.


ZFV double flanged ends triple offset butterfly valve, 12inch class 300LB, gear operated, body material A216 WCB, disc material A216 WCB, seal material SS+graphite laminated, shaft 17-4PH.

Design and manufacture as per API 609 latest edition

Face to face dimension as per API 609 latest edition

End flanges dimension as per ASME B16.5

Test & inspection as per API 598

The butterfly valve be strictly tested as per API598, shell hydro tested by 3.0Mpa, seat sealing hydro tested by 2.2Mpa, low pressure air tested by 0.6Mpa, testing result 0 leakage, meet requirement of standard API598.

ZFV Zhejiang Zhengfeng Valve Co., Ltd  was founded in 1993, the company is located in five-star industrial zone Dong'ou Wenzhou city zhejiang province . Our company is innovative,the products are mainly based on ISO,API,ANSI,BS,DIN NF,JIS,GB,JB and other standard production,nominal diameter 2"-80"(DN50-DN2000mm),pressure rating 150Lb-900Lb (PN6-PN150),the operating temperature -196 degrees C,~680 degrees.The valve main materials include ASTM A351 CF8, CF8M, CF3, CF3M, ASTM A105, ASTM A216 WCB, Halalloy steel, ASTM A352 LCB, A890 4A, Monelpurenic,titanium alloy,20 alloy steel etc..

Zhejiang Zhengfeng Valve