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Gate Valves
Rubber Seat Butterfly Valves (Concentric Design)
Serves as efficient stop valves with flow in either direction. They are commonly used where a minimum of pressure drop is important because they offer practically no resistance to flow when fully open. Throttling is not conducive to accurate and consistent flow control. Also the valves may be damaged by the high velocity across the seats. They function best fully open or fully closed.
GLOBE VALVE
DESCRIPTION
serves as efficient stop valve with flow in either direction. They are commonly used where a minimum of pressure drop is important because they offer practically no resistance to flow when fully open. Throttling is not conducive to accurate and consistent flow control. Also the valve may be damaged by the high velocity across the seats. They function best fully open or fully closed.
CLASS
API 800, 1500
ANSI 150, 300, 600, 900, 2500, 4500
SIZE
3/8", 1/2", 3/4", 1", 11/4", 11/2", 2"
MATERIAL
ASTM A105, A182-F5, A182-F9, A182-F11, A182-F22, A182-F304, A182-F316, A182-F304L, A182-F316L, A182-F321, A182-F347, A182-F51, A182-F91, A350-LF2
Other Materials also Available on Application
END CONNECTION
Socket welding, threaded Butt welding, flanged
FEATURE
Bolted bonnet or welded bonnet
Outside screw & yoke
Plug disc
Integral seat
CHECK VALVE
LIFT CHECK VALVE DESCRIPTION
They have an advantage over most other types of check valve in that they need only a relatively short lift to obtain full valve opening. The lift check valve uses a free-moving closure element that is placed above the seat. It prevents backflow and maintains pressure. The lift check valve is recommended to install in horizontal piping lines because the disc is pushed up by the flow until the flow reverses when gravity and down stream pressure close the closure element against the seat.
CLASS
API 800, 1500
ANSI 150, 300, 600, 900, 1500, 2500, 4500
SIZE
3/8", 1/2", 3/4", 1", 11/4", 11/2", 2"
MATERIAL
ASTM A105, A182-F5, A182-F9, A182-F11, A182-F22, A182-F304, A182-F316, A182-F304L, A182-F316L, A350-LF2
END CONNECTION
SOCKET WELDING, THREADED
BUTT WELDING, FLANGED
FEATURE
BOLTED COVER OR WELDED COVER
INTEGRAL SEAT
SWING CHECK VALVE DESCRIPTION
prevent reversal of flow through pipe lines. The swing check valve uses a hinged door to open during flow and to close against a pressure reversal. Swing check valve can be installed in horizontal or vertical upward flow piping. They offer low resistance to flow and are particularly suited to low velocity service
CLASS
API 800, 1500
ANSI 150, 300, 600, 900, 1500
SIZE
3/8", 1/2", 3/4", 1", 11/4", 11/2", 2"
MATERIAL
ASTM A105, A182-F5, A182-F9, A182-F11, A182-F22, A182-F304, A182-F316, A182-F304L, A182-F316L, A182-F321, A182-F347, A182-F51, A182-F91, A350-LF2
Other Materials also Available on Application
END CONNECTION
SOCKET WELDING, THREADED
BUTT WELDING, FLANGED
FEATURE
Bolted cover or welded cover
Renewable seat
