Structural features:

1, series forged steel valve body: uniform organization, good shell strength;

2, double bearing type valve stem nut: easy to operate, open and close freely, more conducive to packing seal;

3, Staili alloy surfacing sealing surface: non-destructive inspection, superfine grinding, reliable sealing;

4, valve stem surface corrosion treatment: the use of flexible graphite corrosion inhibition filler, no leakage concerns;

5, replaceable valve seat and spool: the valve seat can be replaced directly during maintenance, without replacing and reinstalling the valve, greatly convenient for user maintenance.