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1. Outside screw and yoke
2. Bolted bonnet and pressure seal3. Flexible and solid wedge, fully guided4. Welding seat rings or Renewable seat rings5. Rising stem and non-rising stem6. Available with gear operator7. Flange ends & buttwelding ends8. Low torque design, smooth surface stem
Didtek Cast steel Gate valves are primarily used for stop valves fully opened or fully closed. They are not normally considered for throttling purposes, but more for slurries, viscous fluids, etc. Gate valves are characterized by a traveling wedge, which is moved with the operation of the stem nut. The wedge travels perpendicular to the direction of the flow. Gate valves usually have a minimum pressure drop when fully open, provide tight shut-off when fully closed, and remain relatively free of contamination buildup.
Accessories such as gear operators, actuators, bypasses, locking devices, chain wheels, extended stems and bonnets for cryogenic service and many others are available to meet the customer‘s requirements.
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