Description

Main Parameters

Nominal Pressure: 150LB~1500LB (PN16~PN320)

Nominal Diameter: 1/2”~2” (DN15~DN50)

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

Applicable Temperature: -196℃~+150℃

Connection Type: SW, BW, NPT, 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 forging, seamless structure.

3. Fully machined inner bore of the valve cover, small gap with the valve stem, good cold insulation effect.

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

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