YFB- Hydraulic hold pressure valve test bench

Technical performance and feature ● It is suitable to have a shell test, closure test and back seal test for flange-end valves; ● No external force affects a testing valve due to clamping by claws holding the flange; ● Valve can be turned to 90° to h...

YFB-DB Single head hydraulic hold pressure valve test bench

YFB-DB Single head hydraulic hold pressure valve test bench Technical performance and feature ● It is specially suitable to have a test for small sized and flange-end valves; ● A work table can turn 90° so that it is convenient to have air seal test ...

YFB-QS submerged hydraulic valve test bench

Technical performance and feature ● The test bench is made up of 2 parts: operation control table and clamping pressure test device, clamping pressure test device can all be submerged under water, which is up or down by oil pressure; ● Submerged type...

YFB-DL Top press screw valve test bench

Technical performance and feature ● Top press screw valve test bench is suitable to have a test for inner tunnel sealing valves, if a user selects plane or welded groove sealing valves, you need to choose bootstrap tank system 1 ; ● Test medium is w...

YFB-DY Top press hydraulic valve test bench

Technical performance and feature ● It is suitable to have a test for various connection types of valves, we advise you equip "servo control system 1 ” ● Test medium is water or air (6 bar gas source supplied by customer and test medium water is rec...

YFB-T Double Station valve test bench

Technical performance and feature ● It is specially suitable to have a test for small sized and flanged end valves.welded end or threaded valves; ● The upper pressing device has hydraulic driving and screw driving type; ● An control system controls 1...

YFB-LL Vertical screw valve test bench

Technical performance and feature ● It is specially suitable for have a test for small sized flanged end valves, welded end or threaded valves; ● The upper pressing device is screw driving type; ●An control system controls 1-6 valve test stations (on...

YFB-LY Vertical hydraulic valve test bench

Technical performance and feature ● It is specially suitable for have a test for small sized flanged end valves, welded end or threaded valves; ● The upper pressing device is hydraulic driving; ●An control system controls 1-6 valve test stations (on ...

YFB-DF Butterfly valve test bench test stand

Technical performance and feature ● It is suitable to have a test for flanged end and wafer end butterfly valves; ● The claws are simultaneously moved or clamped; ● There are single station and double stations on customer request; ● Test medium is wa...

YFB-A Safety valve test bench test stand

Technical performance and feature ● It is suitable to have a performance test for safety valve; ● Test medium is nitrogen gas or air ( gas source is supplied by customer); ● High pressure air fill in the cavity of safety valve through manual relief v...

YFB-XM Planet lapping machine

Technical performance and feature ● It is suitable to lap seating surfaces of gate and seat ring; ● A lapping movement of gate and seat ring is either revolution or rotation. Its surface roughness reaches Ra 0.81um and tightness≥80 %; ● Lapping time ...

YFB-QM Ball lapping machine

Technical performance and feature ● It is suitable to lap the spherical surfaces of ball; ● After lapping outer surface of ball, you can have seat ring and ball lapping; ● Ball clamped by core shaft which is positioned by thimble rotate around horizo...