Pressure gate valve changer

The device is designed to relieve emergency (faulty) stem and side valves with x-Mas tree wells under pressure without jamming and install them instead of the new (repaired) valves. A distinctive feature of the upgraded devices from existing devices – devices VHF 96, 97 and ovch ovch 117 is: • Reduced effort of the input of the packer in the well bore; • Increased range of working pressure; • The mounting device to the pipe head without removing the studs. The use of the device allows you to: • make Petrovka in smooth and threaded channels; • significantly reduce the cost of manufacture of works; • to fully preserve the reservoir properties of the bottomhole zone of wells; • eliminate the need for subsequent development wells; • reduce the downtime of the wells. • reduce the total losses of the gas; • save the ecology of the environment.