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