din lifting type check valve

• Design and Manufacture:BS 1868, ASME B16.34
• Inspection and Test: API  598 or API 6D.
• End flange dimension: ASME B 16.5(for NPS??4);
• BW end dimension: ASME B16.25.
• Socket-weld dimension: ASME B16.11.
• Face to face and end to end: ASME B16.10.
• Pressure-temperature ratings: ASME B16.34.
• Wall thickness dimension: API 600 and BS 1868.
• Material: WCB, WC6, WC9, LCB, CF8M, CF3M
• Applicable Medium:  steam,  water, oil