The device is designed for periodic short-term opening of liquid (gas) line as well as for creating a pressure drop between the separator and the production header of the Sputnik automated group metering station (AGZU).
The design and components are presented in Fig. 1
Fig.1 Gate valve with hydraulic drive SHZ-GP-1
1-slide gate valve; 2-hydraulic cylinder; 3-connecting flanges; 4-gates; 5-lever;
6-roller; 7-lug; 8-draft; 9-spring, 10-rod, 11,12-nut, 13-screw
No.
Parameter
SHZ-GP-1
SHZ-GP-1.1
SHZ-GP-3.1
Parameter value
1
Nominal pressure according to GOST 356, MPa, max
4.0
2
Test pressure according to GOST 356, MPa, max
6.0
3
Inside diameter of valve, mm
41
58
4
Temperature of fluid, ºС
-50...+50
5
Norm of tightness
GOST 9544
6
Leakage class
A
7
Gate width, mm
8
Size, mm, max length*width*height
250*160*510
310*195*550
9
Mass, kg, max
34
45
Mean time between failures, hours, min - 4500
Life time - 10 years