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Hydraulic locks

Hydraulic locks with hollow cores to cut and crimp pipelines

Hydraulic locks with hollow cores are used for overlaping, crimping, cleaning and blockages of drainage (redirect the flow) through its cores for a while off the damaged areas of pipelines with diameter from 100 mm to 1000 mm, with the repair and commissioning of water supply, sewage and heating networks.

The hydraulic lock is an elastic shell reinforced with a high-strength cord, containing a cylindrical, two end parts and a valve for supplying compressed air. In addition, these valves have a hollow core through which the liquid can pass. If necessary, the hole in the core is plugged with a cork and the hydraulic seal is used only to block the pipe.

Inflating the hydraulic lock shell is carried out by supplying it with compressed air from the compressor or cylinder.

Hydraulic locks can be installed through wells or special operating apertures in pipes and work at the temperature of the liquid pumped over on the pipeline, from 0 to 90° С.

For use in the sewer network of petrochemical companies manufactured hydraulic locks in oil-resistant performance.

The design and manufacturing technology of hydraulic locks are patented.

Hydraulic locks are issued on TU 2527-004-23770232-2004.

Production catalogue.pdf

 
Hydraulic lock associated
 
Tray
 
Cut-off area
 
Compressor
 
The pneumatic conduit
 
Pump
 
Pressure gauge
 
Pressure-suction hose
 
Hydraulic lock associated
The scheme of disconnection of the damaged section of the pipeline by means of two hydraulic locks with hollow cores
Marks and characteristics of hydraulic locks with hollow cores
 
Mark hydraulic lock
Diameter of the overlapped tubes, mm
Water pressure held by the hydraulic lock in the pipe of maximum diameter, MPa
Nominal air pressure in the hydraulic lock shell, MPa
Dimensions of the hydraulic lock shell in the free state, (diameter / length), mm
 
GM-2N
GM-2N
100 — 200
0,60
1
95/300
GM-2N
Hydraulic lock GM-2N
Diameter of the overlapped tubes, mm
100 — 200
Water pressure held by the hydraulic lock in the pipe of maximum diameter, MPa
0,60
Nominal air pressure in the hydraulic lock shell, MPa
1
Dimensions of the hydraulic lock shell in the free state, (diameter / length), mm
95/300
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GM-3N
GM-3N
200 — 360
0,2
0,60
186/500
GM-3N
Hydraulic lock GM-3N
Diameter of the overlapped tubes, mm
200 — 360
Water pressure held by the hydraulic lock in the pipe of maximum diameter, MPa
0,2
Nominal air pressure in the hydraulic lock shell, MPa
0,60
Dimensions of the hydraulic lock shell in the free state, (diameter / length), mm
186/500
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GS-1N
GS-1N
300 — 500
0,15
0,50
280/700
GS-1N
Hydraulic lock GS-1N
Diameter of the overlapped tubes, mm
300 — 500
Water pressure held by the hydraulic lock in the pipe of maximum diameter, MPa
0,15
Nominal air pressure in the hydraulic lock shell, MPa
0,50
Dimensions of the hydraulic lock shell in the free state, (diameter / length), mm
280/700
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GS-11N
GS-11N
450 — 700
0,07
0,40
430/730
GS-11N
Hydraulic lock GS-11N
Diameter of the overlapped tubes, mm
450 — 700
Water pressure held by the hydraulic lock in the pipe of maximum diameter, MPa
0,07
Nominal air pressure in the hydraulic lock shell, MPa
0,40
Dimensions of the hydraulic lock shell in the free state, (diameter / length), mm
430/730
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GS-21N
GS-21N
600 — 800
0,12
0,43
580/780
GS-21N
Hydraulic lock GS-21N
Diameter of the overlapped tubes, mm
600 — 800
Water pressure held by the hydraulic lock in the pipe of maximum diameter, MPa
0,12
Nominal air pressure in the hydraulic lock shell, MPa
0,43
Dimensions of the hydraulic lock shell in the free state, (diameter / length), mm
580/780
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GB-11N
GB-11N
800 — 1000
0,035
0,30
580/900
GB-11N
Hydraulic lock GB-11N
Diameter of the overlapped tubes, mm
800 — 1000
Water pressure held by the hydraulic lock in the pipe of maximum diameter, MPa
0,035
Nominal air pressure in the hydraulic lock shell, MPa
0,30
Dimensions of the hydraulic lock shell in the free state, (diameter / length), mm
580/900
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1 PCs
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The nominal air pressure in the shells of hydraulic locks is determined from the calculation of ensuring the safety factor of the shell not less than twice, in the pipe of the maximum diameter.

Application area

Housing, Energy, Industry

Application

Hydraulic lock with hollow cores
Tray
Cut-off area
Compressor
Pneumatic conduit
Pump
Pressure gauge
Pressure-suction hose
Hydraulic lock with hollow cores
The scheme of disconnection of the damaged section of the pipeline by means of two hydraulic gates with hollow cores
Hydraulic lock passing
Tray
Pump
Pressure gauge
Compressor
Hydraulic lock
Pressure-suction hose
Scheme of disconnection of the damaged section of the pipeline by means of a hydraulic lock (pneumatic plug) and a hydraulic lock with a hollow core
Hydraulic lock with hollow cores
Tray
Cut-off area
Compressor
Pneumatic conduit
Head pressure
Collapsible rod
Corner nozzle
Scheme of disconnection of the damaged section of the pipeline by means of a hydraulic lock with a mounting rod
Hydraulic lock
Tray
Cut-off area
Cable
Pressure gauge
Compressor
Pneumatic conduit
Scheme of disconnection of the damaged section of the pipeline

The pneumatic valves to complete the hydraulic locks

Pressure monitoring unit with safety valve and quick-release connection
Pressure control unit with safety valve
Double pressure control unit with safety valves
Air hose with quick release connection
Compressed air cylinder
Quick coupling

Advantages

Double safety margin of products
Durability of application (up to 5 years)
Ease of use
Work in flooded wells
Overlapping and cleaning of pipes without descent in wells (from ground surface)
Wide range of overlapping pipelines

Photo and video

Guarantees

  • Manufactured according to TU 2527-004-23770232-2004.
  • Warranty period - 12 months.
  • Design life - 5 years.
  • Guaranteed shelf life - 5 years.

Delivery

Delivery of production is carried out to any point of Russia, the near and far abroad, the following transport companies: "zheldorekspeditsiya", "Autotrading", "Sherl TK", "RATEK", "Energy", "Business Lines".

Shipment of production is made after receipt of an advance payment in the following terms:

  • road transport — 3 workday;
  • air transport — 3 workday;
  • railway baggage — 3 workday;
  • railway container — 7 workday;

If customs clearance is necessary, the shipment period is increased by 2-3 working days.

Diplomas

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