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Rising Stem Gate Valve

Design Standard
API 600, ASME B16.34, GB/T 12234
Temperature Range
Pressure Rating
End Connections
Rising Stem Gate Valve

Product Range

Body material: carbon steel, stainless steel,

Nominal diameter: 2"~36"

Pressure range:Class150~2500

End connection: RF, RTJ, BW

Working temperature:-46℃~+200℃

Operation : handwheel, gear box, electric, pneumatic actuator, electro-hydraulic actuator , etc.

Main Features

The rising stem slab gate valves manufactured by qilong valve are available in temperature classes L, P, R, S, T, and U specified in API 6A. Gate valves to be used in the 350℉ or 650℉ high temperature can be supplied on request. Gate valves manufactured by our company are available in 3000psi, 5000psi and 10000psi working pressure, nominal size from 1-13/16" through 4-1/16",material classes from AA through FF, product specification levels (PSL) from 1 through 3 and performance requirement (PR) 1.
The rising stem slab gate valves manufactured by our company have the same characters as the non-rising stem slab gate valves. For it is designed by rising stem, the close and open of the valves is completely controlled .


  1.  Manufactured and Tested in Accordance with API Spec 6A
  2. Simple structure and renewable gate and seat assembly.
  3. One-piece and double-acting gate with long service life.
  4. Both thrust bearings with large load capacity and composite rubber-plastic stem lip packing minimize operational torque.
  5. Bearing cap is provided with a grease cup to make it easy to inject lubricating grease in the field.
  6. Threaded packing gland allows removal of bearings and stem packing under line pressure.
  7. Both the bolted bonnet and modern bonnet seal ring provide simple structure and reliable sealing.
  8. The sealing surfaces of the gate and seat are hardfaced for wear and corrosion resistance.
  9. Wave springs are installed between the body and seat and between the gate and seat. The gate and seat still maintain a positive metal to metal seal under low pressure.
  10. Floating gate design requests the hand wheel to be backed off 1/4 turn after its rotation can go no further.

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