ประตูน้ำลิ้นแกว่งกันกลับ

check valve 
outside screw & yoke,rising stem.wedge solid or screw renewable disc. design std: API 6D/600 ,API603

Specifications:

1) Size: 2~48"
2) Pressure class: 150~2,500lbs 
3) Temperature: -29 ~ 800°C 
4) Suitable medium: water, oil, vapor
5) Body material: WCB, WC1, WC5, WC6, WC9, C12, CF3, CF8, CF3M, CF8M
6) Operation: manual control, gear operated, motor actuated

Design std:API 600/6D,API 603

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