


VALVES
Gate valves
Higher than globe valves when fully opened, but have a smaller face to face length. The gate being moved up or down is easy to visually acknowledge as the valves operate with either a rising stem or a non-rising stem.
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GLOBE VALVES
The body is shaped like a globe and houses the seat, which is connected to the stem that connected to a knob or handle, which is used to open or close the flow of liquid.
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NON RETURN VALVE
Allows a medium to flow in only one direction and is fitted to ensure that the medium flows through a pipe in the right direction, where pressure conditions may otherwise cause reversed flow.
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Knife Gate valves
An ON-OFF gate valve for mudded waters. Its beveled rectangular shovel, sliding inside a body with a circular outlet as well as its tightness system WEY®, fit particularly well the transport of mudded fluids.
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CHECK VALVES
On the outside of pipes or tubes that contain a check valve, you will find a symbol alerting you to its presence.
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BALL VALVE
Consists of a valve body in which a large sphere with a central hole equal to the inside diameter of the pipe is mounted. As the ball is rotated,
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