JDV-LIFT Check Valve/JDV-Swing Check Valve
Leland R check valve includes swing and life type.It is used for wellhead manifold assembly.The sealing face of seat and ring is welded with overlay of high hardness alloy,which has high performance to prevent abrasion, erosion and corrosion.The core adopt sulfide-resistance steel and able to be used in H2S condition， Valve body made by alloy steel forging with good performance
Specification
Valve with Ball Screw
Ball screw structure lowers operating time
Stem structure is pressure balanced with switch indicator
Applies to big bore high pressure system
Working perssue:2000 PSI~20000 PSI
Connection： Flange、Thread、Union、BW
Application：Oil, Chemical industry, etc.
Medium： Oil、Gas、Water,etc.
Supply Range
| Products | Description(Type-size-pressure-connection) | Temperature | Performance Material | Specification |
| Ball screw operated gate valve（FLS） | BVF1-4-1/16 5M/10M/15M BVF1-5-1/8 10M/15M BVF1-7-1/16 5M/10M/15M | K.L.P.R.S.T.U.V | PR1 PR2，DD EE | PSL1~PSL3 |
