Swing check valve

Applicable Standard

• Design Standard: BS 1868, ASME B16.34, API 6D,
• Face to Face: ASME B16.10, API 6D, EN 558, DIN 3202
• End Flange: ASME B16.5, ASME B16.47, DIN2501, DIN2533
• Buttwelding Ends: ASME B16.25, DIN3239
• Inspection and Test: API 598, DIN3230

Design Features

Metal-wrapped flexible graphite gasket for 150LB, metal-wound gasket for 300LB and 600LB, metal gasket for 900LB and above, or 600LB according to customer’s requirement.

• The hinge and connector installed inside the valve body, that can ensure the valve disc fully move.
• The sealing surface of seat is spray welded with STL 6 cobalt-based hard alloy, the seat can be fixed by welding, or be threaded as customer’ s requirement.
• The standard swing disc can only be installed on the horizontal pipeline to control the medium or the vertical flow of the medium from bottom to top.
• At the G point at the bottom of the center line of the valve body, there are standard bosses reserved for opening the discharge holes. Other additional bosses are required by the customer.

• Design: BS1868
• Structure: bolted bonnet, swing disc

Lifting ring assembled for 150LB--6" and above, 300LB&600LB--4" and above . 900LB and above