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Stainless Steel Pneumatic Rising stem gate valve(with balance stem)

Stainless Steel Pneumatic Rising stem gate valve(with balance stem)

1. Pneumatic Rising stem gate valve(with balance stem) is new kind of valve, which is applied to control the system and will cut-off when emergency.
2. Standrad: API Spec 6A and SY/5127

Working principle:
1. By using the hand wheel and cylinder to control the gate moving to open or close the valve and Intake on the up stomatal(clockwise), valve close; Intake of on the down stomatal(counterclockwise)valve open.
2Manual / automatic status switch: The valve has two kinds of operation mode,
When in manual. We should Pin plug connection, and when in automatic, we should Pin out.

The design conforms to the API 6A
1. Pneumatic actuator installed on the top of the bonnet which controls the open and close of the valve by pneumatic pressure
2. Metal seal betwwen the body and bonnet.
3. Backseat seal between the bonnet and stem, easy for the change of sealing stuff under pressure.
4, Sealing surface is hard faced or the QBQ with the performance of anti corrosive, wear resistance.
5. Low -operating torque.
6. Specially applied in the super high temprature working environment.

Size: 2 1/16"- 71/16"
Materials: AA BB CC DD EE FF
Terperature: K L P R S T U V
PSL: PSL1-PSL4
PR: PR1, PR2
Pressure: 2000-20000PSI
Body: Carbon steel\Alloy Steel\Stainless Steel
Gate: Carbon steel\Alloy Steel\Stainless Steel+HF\Stainless+QBQ
Stem: Stainless Steel
Seat: Alloy Steel\Stainless Steel+HF\Stainless+QBQ
Application: Oil, Chemical industry, etc.
Medium: Oil, Gas, Water, etc. 

Related Category: Gate Valves

Related Keywords: Carbon Steel Gate Valves  Pneumatic Gate Valves  Stainless Steel Gate Valves  Stainless Steel Valves