Specifications:
Size: 1/2"~36"
Pressure class: 150LB ~2500LB
Temperature: -196~ 550° C
Design std: API 600/6D
Flanged std: ASME B16.5/ASME B16.47A
Butt welded std: AEME B16.25
Face to Face std: ASME B16.10
Inspection and testing std: API 598

Outside screw & yoke, rising stem. Wedge solid or screw renewable disc.
Design std: API 6D/600
Suitable medium: Water, oil, vapor
Body material: WCB, WC1, WC5, WC6, WC9, C12, CF3, CF8, CF3M, CF8M
Operation: Manual control, gear operated, motor actuated.