Bolted Bonnet

The API 600 BS 1873 BS 1868 family of AIL Gate, Globe and Swing Check Valves is exceptionally sturdy, rugged and durable, with a reputation for quality, integrity and long service. They are designed for tight sealing and ease of operation. The valves are available with flanged ends or butt-weld ends, in pressure ratings from ASME Class 150 to Class 1500, and in a variety of materials of construction.
Gate Valves are of flexible wedge, outside screwand-yoke and bolted-bonnet construction. The valves conform to API 600.
Globe Valves feature a ball-type disc, outside screwand-yoke and bolted-bonnet construction. They conform to BS 1873 and also meet the general requirements of API 600, including shell wall
thickness and stuffing box dimensions.
Check Valves are of swing-type and bolted-cover construction. They conform to BS 1868 and also meet the general requirements of API 600, including shell wall thickness.