- Dec 16, 2019-

ZFV Trunion Mounted Ball Valve 4’’ class 600 CS material pass the hydro testing and final inspection & ready for deliverying .


Refer to below for ball valve detail technical data :

Ball valve, type trunnion mounted , class 600LB pressure rate, lockable gear operation, splite body construct, which is generally used for middle and low pressure condition. the valve is full bore type, which provide excellent flow control. Flange type RF end, fire-safe desgin, with anti-static device, also is blow-out proof stem design, valve is double block and bleed fuction design, and stem & seat grease injection fitting. Material body ASTM A216 WCB, ball ASTM A182 F316, seat ASTM A182 F316, prime sealign NYLON, stem SS A276 316, seat spring Inconel X-750, packing graphite.  


Mainly applicatable 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 silver, 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 15.0Mpa by hydro

The high pressure closure testing pressure rate 11.0Mpa 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.


                  ball valve 4in 600lb wcb delivery 1

Zhejiang Zhengfeng Valve Co., Ltd