Description

Main Parameters

Nominal Pressure: 150LB~900LB (PN16~PN160)

Nominal Diameter: 2”~6” (DN50~DN150)

Applicable Media: Gases or liquids such as NG, N2, Ar

Applicable Temperature: -196℃~+150℃

Connection Type: BW, Flange

Testing and Inspection: GB/T24925, BS6364

Design Features

1. Low-leakage fireproof packing to prevent valve stem leakage and achieve fireproof function.

2. Extended valve cover integral casting, seamless structure.

3. Small gap between valve cover inner hole and valve stem for good cold insulation.

4. Top seal located below the stuffing box to prevent abnormal pressure rise in the valve cover cavity when fully open.

5. Cobalt-based alloy overlay welded to the sealing surface to ensure service life.

6. Rising stem structure, which is beneficial for valve seat sealing and valve stem sealing.