ZFV Ball Valve 6’’ Class 300 Material Carbon Steel Already Finished And Pass The Hydro Testing And Final Inspection

- Dec 27, 2020-

ZFV Ball Valve 6’’ class 300 material carbon steel already finished and pass the hydro testing and final inspection


Kindly refer to below for detail technical data :

Ball valve, class 300LB pressure rate, trunnion mounted , bare shaft with top flange, 2 piece body construct. the valve is full bore, which provide excellent flow control. Flange type RF end, fire-safe design, with anti-static device, also is blow-out proof stem design, valve is double block and bleed design, and stem & seat grease injection fitting. Material body ASTM A216 WCB, ball ASTM A182 F304, seat ASTM A182 F304, prime sealing NYLON, stem SS A276 304, seat spring Inconel X-750, packing graphite.  


Mainly application standards include :

Design and manufactured standard: API6D

Valve dimension F-to-F : API6D

End flange dimension : ANSI B16.5

Test and inspection : API6D

Temperature and pressure : ASME B16.34

Fire safe design : API 6FA

Painting standard: 2 layers systems: prime coating and finishing coating , the finishing coating color is black, the final dry film thickness is about 200um.


The casting steel trunion ball valve is carried out hydrostatic testing as per standard API6D. shell testng and closure testing by hydro and air .

The shell testing pressure rate 7.5Mpa by hydro

The high pressure closure testing pressure rate 5.5Mpa by hydro

The low pressure closure testing pressure rate 0.6Mpa by air

The result is ok and no visual leakage found during hydro testing and air testing.

The mill testing certificate provided to customer along with ball valve.


ZFV ( Zhejiang zhengfeng valve co., ltd ) produce various kind of materials ball valves, we would like to provide our professional proposals, to meet different requirements of customer over the world.


QQ20180524193136 delivery 1

Zhejiang Zhengfeng Valve Co., Ltd