Pressure seal gate valve

Main features: Body-bonnet joint is self tightening pressure seal type with reliable sealing function even though the temperature and pressure is fluctuated. Pressure seal bonnet type is preferentially used for high pressure and high temperature valves.


Design standard :API 600     ASME B16.34

Product range :

1. Pressure range :CLASS    900Lb~2500Lb

2. Nominal diameter :  NPS        2~30″

3. Body material:Carbon steel, Stainless steel, duplex stainless steel, Alloy steel, Nickel alloy

4. End connection : RF   RTJ   BW

5. Mode of operation:Hand wheel, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device;


Product features:

1.Small flow resistance for fluid, only a small force is required when opening/closing;

2.No limitation on the flowing direction of medium;

3.When valve is full opened, the sealing surface suffered small friction from the working medium;

4. Stem extended design can be chosen

5. Pressure seal bonnet

6. Solid wedge can be chosen;

7. Spring loaded packing can be chosen;

8. Low emission packing can be chosen according to ISO 15848 requirement;

9. With By-pass design be chosen;