This permits to drain the valve and reset the pressure to zero.

Size Range: ½” to 3”

Pressure Class : 150 Lbs to 2500 Lbs, API 3000 to API 10,000

Internal Bore Diameter: 10 and 15 mm

Design Standards: Valves are manufactured in full compliance with product specifications and conforms to API 6D, ANSI, ASME, British Standards etc