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casings for oil pipelines

Rubber-cord casings (pneumatic plugs) for temporary shutoff internal cavity of oil pipelines and oil-products pipelines

Rubber-cord casings (pneumatic plugs) serve for temporary shutoff of an internal cavity of an oil pipeline or oil-products pipeline diameter from 100 to 1200 mm emptied from oil or oil-products, for the purpose of prevention of going out of explosive and combustible oil gases, at damage control carried out by “cutting out of a coil or a defect section” method, on a linear portion of trunk and industrial oil and oil-products pipelines, pipelines of oil-transfer plants.

The pneumatic plug is an elastic cusing reinforced with a high-strength cord, containing a cylindrical, two end parts and a valve for supplying compressed air. The outer layer of the cusing is resistant to oil and petroleum products. Inflating the cusing is carried out by supplying it with compressed air from the compressor or cylinder.

Rubber-cord cusings can be installed through the open ends of the pipe formed after cutting the coil or a defective section of the oil and oil product pipeline.

Rubber-cord cusings operate at ambient temperature from minus 30°C to plus 90°C.

The design and manufacturing technology of hydraulic locks are patented.

Rubber-cord cusings are issued on TU 2527-001-23770232-2003.

 
Compressor
 
Repair pit
 
Casing
 
Casing
 
Pressure gauge
Scheme of installation of rubber-cord casings on the oil pipeline (oil product pipeline).
Models and characteristics of rubber cord shells
 
Shell model
Diameter of the covered pipe, mm
Shell dimensions in free state, (length/outer diameter), mm
Fluid pressure held by a hydraulic seal in a pipe of maximum diameter, MPa
Working air pressure in the shell, MPa
 
GM-2A
GM-2A
100 — 190
420/95
0,10
0,50
GM-2A
Rubber-cord shell GM-2A
Diameter of the covered pipe, mm
100 — 190
Shell dimensions in free state, (length/outer diameter), mm
420/95
Fluid pressure held by a hydraulic seal in a pipe of maximum diameter, MPa
0,10
Working air pressure in the shell, MPa
0,50
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1 PCs
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GM-3A
GM-3A
200 — 290
500/186
0,10
0,40
GM-3A
Rubber-cord shell GM-3A
Diameter of the covered pipe, mm
200 — 290
Shell dimensions in free state, (length/outer diameter), mm
500/186
Fluid pressure held by a hydraulic seal in a pipe of maximum diameter, MPa
0,10
Working air pressure in the shell, MPa
0,40
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1 PCs
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GS-1A
GS-1A
300 — 390
700/280
0,10
0,40
GS-1A
Rubber-cord shell GS-1A
Diameter of the covered pipe, mm
300 — 390
Shell dimensions in free state, (length/outer diameter), mm
700/280
Fluid pressure held by a hydraulic seal in a pipe of maximum diameter, MPa
0,10
Working air pressure in the shell, MPa
0,40
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1 PCs
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GS-12A
GS-12A
400 — 590
700/370
0,10
0,40
GS-12A
Rubber-cord shell GS-12A
Diameter of the covered pipe, mm
400 — 590
Shell dimensions in free state, (length/outer diameter), mm
700/370
Fluid pressure held by a hydraulic seal in a pipe of maximum diameter, MPa
0,10
Working air pressure in the shell, MPa
0,40
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1 PCs
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GS-2A
GS-2A
600 — 790
900/580
0,10
0,40
GS-2A
Rubber-cord shell GS-2A
Diameter of the covered pipe, mm
600 — 790
Shell dimensions in free state, (length/outer diameter), mm
900/580
Fluid pressure held by a hydraulic seal in a pipe of maximum diameter, MPa
0,10
Working air pressure in the shell, MPa
0,40
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1 PCs
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GS-25A
GS-25A
800 — 990
1130/730
0,10
0,40
GS-25A
Rubber-cord shell GS-25A
Diameter of the covered pipe, mm
800 — 990
Shell dimensions in free state, (length/outer diameter), mm
1130/730
Fluid pressure held by a hydraulic seal in a pipe of maximum diameter, MPa
0,10
Working air pressure in the shell, MPa
0,40
Order:
1 PCs
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GS-3A
GS-3A
1000 — 1200
1270/784
0,10
0,40
GS-3A
Rubber-cord shell GS-3A
Diameter of the covered pipe, mm
1000 — 1200
Shell dimensions in free state, (length/outer diameter), mm
1270/784
Fluid pressure held by a hydraulic seal in a pipe of maximum diameter, MPa
0,10
Working air pressure in the shell, MPa
0,40
Order:
1 PCs
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Note: each shell is equipped with a quick-release valve.

Application area

Transportation of oil and oil products, oil refining industry, housing, energy, industry.

Usage

 
Compressor
 
Repair pit
 
Casing
 
Casing
 
Pressure gauge

Rubber cord casings are able to solve the following problems

Installation through the open ends of the pipe formed after cutting the coil or defective section of the oil and oil products pipeline;

Hermetic sealing of an internal cavity of an oil and oil-products pipeline at the expense of compressed air (inert gas) admission into the casing from an external source;

holdback of static pressure of oil-products or explosive and combustible gases in carrying out of damage control.

Operation of rubber-cord casings for a long time showed their high strength, convenience in operation. The manufacturer guarantees a hermetic one-time overlap of the cavity of the oil and oil products pipeline for up to 48 hours.

It is FORBIDDEN to use rubber-cord casings for covering and cleaning sewage, water and heat networks in pipelines transporting oil and oil products!

Advantages

Double safety margin of products
Guaranteed shelf life of the casing is 5 years from the date of issue
Ease of use
Hermetic single overlap for up to 48 hours
Operation for a long time showed their high strength, ease of operation
The prices of the rubber-cord casings, produced by our company, are minimal

Photo and video

Guarantees

Manufactured according to TU 2527-001-23770232-2003.

Warranty period - 12 months, subject to the rules of operation.

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, certificates, acknowledgements

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