The ESD Valve has an emergency shutdown control system installed on the Hydraulic Surface safety valve. Usually, this valve and the control system are installed in the wing of the Christmas Tree. The ESD control system operates the gate valve. The ESD control system includes two pressure control valves, one will be set at a high pressure exceeds either the high pressure setting or drops below the low pressure setting, the valve with automatically close. The system can be configured to be either "Failsafe Close" or "Failsafe Open".
Shanghai wellhead is able to provide various types of valves to meet our customers` needs including gate valve, chokes, check valves etc.
Valve Size: 1 13/16"~7 1/16".
Valve Pressure: 2000PSI~20000PSI.
Temp Range: K, L, N, P, S, T, U, V, X, Y.
Material Class: AA, BB, CC, DD, EE, FF, HH. 0.5, NL.
Valve Class: PSL1~PSL3G.
Valve Performance Class: PR1, PR2.
Size\P(Mpa) |
35 |
70 |
105 |
d |
180 |
A |
813 |
889 |
1016 |
B |
1750 |
2155 |
2360 |
C |
760 |
1120 |
1120 |
D |
395 |
480 |
505 |
F |
755 |
840 |
910 |
R/BX |
46 |
156 |
156 |
Shanghai Wellhead Equipment Manufacture Co., Ltd with a space of 32, 000 square meters, located in Baihe Town Qingpu District in Shanghai, was found in Oct, 2009, it has the most advanced CNC equipments. The total amount of investment is RMB120 million Yuan, and the annual production capacity would be about RMB 500 million Yuan worth of products.
The designing. Manufacturing, testing and managing of all of the products obey the specifications of America Petroleum Institute(API). All the professionals have lots experience of petroleum products manufacture more than 20 years and have strong design to manufacture ability and management ability.