Gate Valve

Gate valves manufactured by Yancheng Sanyi Petrochemical Machinery Co., Ltd. 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. Fire-proof gate valves also can be supplied to API 6A. Gate valves manufactured by our company are available in 2000psi, 3000psi, 5000psi, 10000psi and 15000psi working pressure, material classes from AA through FF, product specification levels (PSL) from 1 through 3 and performance requirement (PR) 1, 2.

Features
·Simple structure and renewable gate and seat assembly.
·One-piece and double-acting gate with long service life.
·Both thrust bearings with large load capacity and composite rubber-plastic stem lip packing minimize operational torque.
·Bearing cap is provided with a grease cup to make it easy to inject lubricating grease in the field.
·Threaded packing gland allows removal of bearings and stem packing under line pressure.
·Both the bolted bonnet and modern bonnet seal ring provide simple structure and reliable sealing.
·The sealing surfaces of the gate and seat are hard faced for wear and corrosion resistance.
·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.
·Floating gate design requests the hand wheel to be backed off 1/4 turn after its rotation can go no further.
The cost of introducing:
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Contact information:
Company:
Address:
Yancheng sanni Petrochemical Machinery Co; Ltd
NO.18 jianyang Road,Jianhu county,Jiangsu,China[0]
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