Technical passport ground input. Socle input of the gas pipeline: types, features, device and drawing

Normal and comfortable conditions in a private house cannot be imagined without electricity and gas. It is especially difficult to do without the latter, since with its help you can not only cook food on the stove, but also make it warm in the cold season. You can, of course, get by with an ordinary wood-burning or coal stove, but the use of gas practically blurs the line between city and countryside.

That's why special role it is the connection of a private house to the central gas main that plays. Traditionally, housing is supplied with gas using a low-pressure gas pipeline.

Tip: it is impossible to supply gas to housing with your own hands, you must contact a special company.

The gas pipeline is brought into the living quarters from the underground pipeline using a basement supply. It should provide the shortest path for the passage of gas to the desired part of the building, while the distance required by GOST between the gas pipeline and other underground utilities and structures must be maintained.

What is a ground entry? This is the name of an integral connection between a steel and a polyethylene pipe, which is designed to create the necessary transition of an underground outdoor gas pipeline to an above-ground state directly at the house.

The construction is carried out in a steel case, which protects the supply from mechanical damage, and also prevents the pipe from cooling. On both sides it is closed with special plugs.

The basement input is manufactured in the factory according to SNiP 42-103-2003, for which there are special instruction. Its dimensions can be changed in agreement with the customer.

L-shaped

An insulated metal pipe with a transition on a horizontal section of a polyethylene-steel gas pipeline. The design feature of the "L-shaped" is precisely this.

This model does not allow the polyethylene part of the equipment to freeze and makes it possible to mount the L-shaped base inlets in climatic zones where the temperature is below 15º C.

By cold bending and without welded joints produce products with ØØ 32 mm x 25 mm, 40 mm x 32 mm and 63 mm x 57 mm. Socle inputs of the "L-shaped" type are installed at the exit of the gas pipeline from the ground near buildings, as well as at UGSh and hydraulic fracturing. They are used to transport methane of various pressures.

Straight

Polyethylene pipe with a free bend. The design feature of this type is a free bend of a gas polyethylene pipe in the lower part of the inlet, installed in a flexible case. They have a permanent connection in this case of the vertical part and protect it with a steel case.

The placement of the socle inputs of the "Direct" type is possible only in climatic zones with a temperature of 15º C. Such equipment is installed at the exit of the gas pipeline from the ground near a residential building and is used to supply low-pressure methane.

I-shaped

A straight section of a polyethylene pipe, which is connected by welding of a branch with an embedded heater. The design feature of such a base entry is the installation of a permanent connection made of polyethylene and steel in the vertical part of the equipment.

It is possible to place socle inputs of the "i" type in climatic zones with a temperature of less than 15º C. The equipment is connected to an underground pipeline with an electric welded outlet.

Such types of inputs are located at the exit of the gas pipeline from the ground near a residential building, at the UGSH and hydraulic fracturing. They are used to supply natural gas of different pressures to buildings.

Tip: you can make the end of a metal pipeline for both threading and welding.

What problems does the ground entry solve?

The original technology and design of equipment manufacturing makes it possible to forget about the problems that periodically arise during the design and construction of gas distribution systems, including:

• not required Finishing work, so the total price decreases; (See also the article.)
• no need for radiographic control and the cost of illumination for the absence of a welded joint;

Polyethylene gland, with a free bend of the pipeline

Manufacturer: TPK Rif LLC

The plinth inlet is an integral connection of a polyethylene and steel pipe and is intended for the transition of an external underground gas pipeline to an above-ground position directly at the building. A permanent connection is made in a steel case to protect the base entry from mechanical damage and prevent pipe cooling. On both sides the case is closed with plugs.

Plinth bushings are produced in three versions: from a metal insulated pipe with a polyethylene-steel transition in a horizontal section of the gas pipeline, with a free bend of a polyethylene pipe, and with a straight section of a polyethylene pipe (i-shaped base inlet) for subsequent welding using a branch with a embedded heater . It is possible to execute the end face of a metal pipe for welding or threading.

The bushings are structures made of steel and polyethylene parts, the diagrams of which are shown in fig. 1.19 and 1.20. The main geometric parameters of the bushings must correspond to the values ​​given in Tables 1.15 and 1.16 for horizontal and vertical bushings, respectively.

Table 1.15. Main dimensions TsV-G

Symbol	Steel section length			Diameter D CT and minimum wall thickness of the steel pipe t CT, mm	Length PE branch pipe, L PE, mm, not less than	Diameter D PE and nominal wall thickness of polyethylene pipe t PE, mm	steel case
	Vertical branch pipe, L 1, mm, not less than	Horizontal branch pipe, L 2 , mm, not less, for gas pipelines					Diameter D ft and minimum wall thickness t ft, mm, not less than	Length L ft, mm, not less than
		low pressure	medium pressure
TsV-G PE 80 GAZ SDR 11 32/28 - F st 57 TU 4859-001- 64014554-2012	1750	1000	2000	(28-34)x3.0	250	32x3.0	(57-60)x3.0	1300
TsV-G PE 100 GAS SDR 11 32/28- F st 57 TU 4859-001- 64014554-2012	1750	1000	2000	(28-34)x3.0	250	32x3.0	(57-60)x3.0	1300
TsV-G PE 80 GAS SDR 11 63/57- F st 89 TU 4859-001- 64014554-2012	1750	1000	2000	(57-60)x3,0	250	63x5.8	(89-08)x3.0	1300
TsV-G PE 100 GAZ SDR 11 63/57- F st 89 TU 4859-001- 64014554-2012	1750	1000	2000	(57-60)x3,0	250	63x5.8	(89-108)x3.0	1300

Table 1.16. Main dimensions TsV-V

Symbol	Total length L total, mm, not less than	Diameter, D PE and wall thickness of the polyethylene pipe, t PE, mm	Length of a polyethylene branch pipe L PE, mm, not less than	Diameter D CT and minimum wall thickness of the steel pipe, t CT, mm	Length of steel pipe L CT	steel case
						Diameter D ft and minimum case wall thickness t ft, mm, not less than	Case length L ft, mm, not less than
TsV-V PE 80 GAZ SDR 11 32/28 - F st 57 TU 4859-001-64014554-2012	1750	32x3.0	250	(28-34)x3.0	1420	(57-60)x3,0	1300
TsV-V PE 100 GAZ SDR 11 32/28 - F st 57 TU 4859-001-64014554-2012	1750	32x3.0	250	(28-34)x3.0	1420	(57-60)x3,0	1300
TsV-V PE 80 GAZ SDR 11 63/57 - F st 89 TU 4859-001-64014554-2012	1750	63x5.8	250	(57-60)x3.0	1370	(89-108)x3.0	1300
TsV-V PE 100 GAZ SDR 11 63/57 - F st 89 TU 4859-001-64014554-2012	1750	63x5.8	250	(57-60)x3.0	1370	(89-108)x3.0	1300
TsV-B 11E 80 GAZ SDR 11 90/89 - F st 133 TU 4859-001-64014554-2012	1750	90x8.2	250	89x3.5	1330	(133-159)x3.0	1300
TsV-V PE 100 GAZ SDR 11 90/89 - F st 133 TU 4859-001-64014554-2012	1750	90x8.2	250	89x3.5	1330	(133-159)x3.0	1300
TsB-B PE 80 GAZ SDR 11 110/108 - F st 159 TU 4859-001 -64014554-2012	1750	110x10.0	250	108x4.0	1300	159x3.0	1300
TsV-V PE 100 GAZ SDR 11 110/108 - F st 159 TU 4859-001-64014554-2012	1750	110x10.0	250	108x4.0	1300	159x3.0	1300

Note. Limit deviations in diameter and wall thickness of polyethylene and steel pipes are given in the regulatory documents according to which they are manufactured.

Description of Base Entry

The basement gas inlet (gas pipeline exit from the ground) is a product through which natural gas is delivered from an underground polyethylene pipeline to an above-ground gas pipeline system.

Plinth bushing production

Socle gas inlets (gas pipeline outlet from the ground) are made on the basis of the original specifications– TU 4859-063-03321549-2010.

The enterprise is equipped with two modern lines for the production of socle bushings, an insulation workshop and its own quality laboratory.

The capacities of the enterprise allow to carry out the production and shipment in the shortest possible time finished products to all regions Russian Federation and CIS countries.

Ground entry marking

All produced socle inputs are marked for their subsequent identification. Marking is carried out with the help of information stickers located on the cases or polyethylene parts of the products. The marking contains the name of the manufacturer, batch number and production date.

Varieties of socle inputs

We offer all types and modifications of socle inputs described in SP 42-103-2003. The use of one or another type of basement input depends on the climatic zone, the type of soil and the requirements of project documentation.

1) TsVPS-G

Design feature The “L-shaped” base entry is the location of the permanent polyethylene-steel connection in the horizontal part of the product. This prevents freezing of the polyethylene part of the product and allows you to install "L-shaped" base inlets in climatic zones with temperatures below 15 degrees ºС.

Plinth bushings with diameters of 32x25mm, 40x32mm and 63x57mm are made without welded joints by cold bending.

"L-shaped" base inlets are installed at the place where the gas pipeline exits the ground near residential buildings, as well as at hydraulic fracturing and UGSh.

Are intended for transportation of natural gas of low, average and high pressure.

2) CVPS-i

The design feature of this plinth entry is the location of the integral polyethylene-steel connection in the vertical part of the product. This allows the use of "i-shaped" socle entries in almost all types of soil.

For effective thermal insulation and prevention of mechanical impacts, this product is equipped with a heat-insulated steel insulated (*polyethylene) case.

It is possible to install "i-shaped" socle inputs in climatic zones, with a temperature regime below 15 degrees ºС.

It connects to the underground pipeline with the help of an electric welded branch.

The AIR-GAZ plant produces all types and modifications of base bushings described in SP 42-103-2003 in accordance with TU 4859-002-12981894-2013 AIR-GAZ

1 | TsVPS-G POLYETHYLENE-STEEL GROUND INLET L-SHAPED INSULATION - POLYLENE

The steel part of the “L-shaped” base entry (hereinafter TsVPS-G) is made of straight-seam steel pipes GOST 3262-75, 10705-80 or seamless pipes GOST 8732-78, 8734-75. The steel part is insulated with polymeric tapes POLYLEN 40-LI-63 and POLYLEN-OB 40-OB-63. The polyethylene part of TsVPS-G is made of polyethylene pipes PE 100 SDR 11 GAS. Plinth bushings with diameters of 32x25(32) mm, 40x32(38) mm, 63x57 mm, 90x89 mm and 110x108 mm are produced without welded joints by cold bending. Other diameters of socle inputs are made through a steel branch.
The design feature of the “L-shaped” base entry is the location of the integral polyethylene-steel connection in the horizontal part of the product. This prevents freezing of the polyethylene part of the product and allows you to install TsVPS-G in climatic zones with temperatures below 20 °C.

2 | TsVPS-GE POLYETHYLENE-STEEL GROUND L-SHAPED INSULATION - EXTRUDED PE

The "L-shaped" basement with insulation based on extruded polyethylene (hereinafter TsVPS-GE) is made of straight-seam steel pipes GOST 10705-80 and polyethylene pipes PE 100 SDR 11 GAS. The steel part is insulated on the basis of extruded polyethylene for gas distribution systems according to TU 1390-013-01284695-2007. Plinth bushings are made without welded joints by cold bending. The design feature of this plinth entry is the location of the integral polyethylene-steel connection in the horizontal part of the product. This prevents freezing of the polyethylene part of the product and allows you to install TsVPS-GE in climatic zones with temperatures below 20 °C.
TsVPS-GE are installed at the places where the gas pipeline exits the ground near residential buildings, as well as at hydraulic fracturing and UGSh, and must be equipped with cases to prevent mechanical impacts.
Are intended for transportation of natural gas of low, average and high pressure.

3 | TsVPS-G POLYETHYLENE-STEEL GROUND L-SHAPED WITH TRANSITION

The steel part of the “L-shaped” base entry with a transition is made of straight-seam steel pipes GOST 3262-75, 10705-80 or seamless pipes GOST 8732-78, 8734-75. The steel part of the product is insulated with polymer tapes POLYLEN 40-LI-63 and POLYLEN-OB 40-OB-63. The polyethylene part of TsVPS-G is made of polyethylene pipes PE 100 SDR 11 GAS.
The transition is made by rolling, followed by welding of a steel pipe DN 25 or DN 32.
The design feature of the production of TsVPS-G with a transition allows it to be installed in climatic zones, with a temperature regime below 20 °C.
TsVPS-G are installed at the places where the gas pipeline exits the ground near residential buildings, as well as at hydraulic fracturing and UGSh, and must be equipped with cases to prevent mechanical impacts.
Are intended for transportation of natural gas of low, average and high pressure.

4 | TsVPS-GF POLYETHYLENE-STEEL L-SHAPED GROUND WITH CASE

The steel part of the “L-shaped” base entry with a case (hereinafter TsVPS-GF) is made of straight-seam steel pipes GOST 3262-75, 10705-80 or seamless pipes GOST 8732-78, 8734-75. The steel part of the product is insulated with polymer tapes POLYLEN 40-LI-63 and POLYLEN-OB 40-OB-63. The polyethylene part of TsVPS-GF is made of polyethylene pipes PE 100 SDR 11 GAZ. To ensure the protection of the gas pipeline from external influences, the base inlet is made with a steel insulated case.
Plinth bushings with diameters of 32x25(32) mm, 40x32(38) mm, 63x57 mm, 90x89 mm and 110x108 mm are produced without welded joints by cold bending. Other diameters of socle inputs are made through a steel branch. A design feature of the “L-shaped” base entry with a case is the location of the integral polyethylene-steel connection in the horizontal part of the product. This prevents freezing of the polyethylene part of the product and makes it possible to install TsVPS-GF in climatic zones with temperatures below 20 °C.
TsVPS-GF are installed at the places where the gas pipeline leaves the ground near residential buildings, as well as at hydraulic fracturing and UGSh.
Are intended for transportation of natural gas of low, average and high pressure.

5 | TsVPS-i POLYETHYLENE-STEEL GROUND I-SHAPED

The I-shaped base entry (hereinafter TsVPS-i) is made of straight-seam steel pipes GOST 3262-75, 10705-80 or seamless pipes GOST 8732-78, 8734-75. The steel part is insulated with polymeric tapes POLYLEN 40-LI-63 and POLYLEN-OB 40-OB-63. The polyethylene part of TsVPS-i is made of polyethylene pipes PE 100 SDR 11 GAS.
The design feature of this plinth entry is the location of the integral polyethylene-steel connection in the vertical part of the product. This allows the use of "i-shaped" socle entries in almost all types of soil. For effective thermal insulation and prevention of mechanical impacts, this product is equipped with an insulated steel insulated (polyethylene) case.
It is possible to install "i-shaped" socle inputs in climatic zones, with a temperature regime below 15 degrees ° C.
It connects to the underground pipeline with the help of an electric welded branch.
"i-shaped" socle inlets are installed at the place where the gas pipeline exits the ground near residential buildings, as well as at hydraulic fracturing and UGSH.
Are intended for transportation of natural gas of low, average and high pressure.

6 | TsVPS-P POLYETHYLENE-STEEL GROUND "DIRECT"

The design feature of this plinth inlet is the free bending of the lower part of the plinth inlet - a gas polyethylene pipe located in a flexible case.
The one-piece connection in this product is located in the vertical part and is protected by a steel case.
"Direct" socle inputs are installed at the exit of the gas pipeline from the ground near residential buildings.
Are intended for transportation of natural gas of low pressure.

These technical specifications (TS) apply to base gas bushings (hereinafter referred to as "inputs, products"), intended for installation in places where the underground pipeline comes out of the ground.

Socle inputs - one-piece connections of a polyethylene and steel pipe "polyethylene-steel".

A permanent connection is made in a steel case to protect the base entry from mechanical damage and prevent pipe cooling. Plinth inputs are divided into:

L-shaped inputs made of steel insulated pipe;

Inlets made by free bending of a polyethylene pipe with a transition device "polyethylene - steel";

Inlets with straight sections of insulated steel and polyethylene pipes.

Schemes of installation of socle gas inlets

Socle inputs are a pipe Ø 57x3.5, made of steel 20.

Cases for socle inputs are provided to protect the gas pipeline from external loads, from the possibility of damage at intersections with underground utilities, as well as for the possibility of repair and replacement.

The design of the case provides thermal insulation in order to prevent the cooling of the basement pipe below an unacceptable negative temperature. The gas pipeline case is hermetically sealed on both sides. Connections constituent parts case ensures its tightness and straightness.

The equipment is used for climatic modification U, HL, T, placement category 1,2,5 according to GOST 15150.

An example of an entry when ordering products:

"Socle gas water TU 4859-001- XXXXXXX-2015" .

These specifications are the property of LLC "XXX" and may not be partially or completely copied, replicated or used without the permission of the owner.

Scroll normative documents, which are referenced in this specification, are given in Appendix A.

The list of measuring instruments necessary to control the parameters of the equipment, which are referenced in these specifications, is given in Appendix B.

Photos of base entries are given in Appendix B.

1.1 . The bushings must comply with the requirements of SNiP 42-01, these technical specifications, a set of design documentation and regulatory documents approved in the prescribed manner.

1.2 Basic parameters, dimensions and materials used

1.2.1 The materials used in the manufacture are given in tables 1..3.

Socle gas inlet steel L-shaped

Table 1

No. p / p	Name	brand, material	Normative document
1		Ø57x3.5, steel20	GOST 10704 GOST 10705
2	Case (0.8m)	PE100 SDR 17.6 110x6.3	GOST R 50838
3	Bituminous mastic	Bituminous primer	TU 5775-005-18314696
4		LIT PVC 150x2	TU 2245-003-18314696
5	Coupling steel with DN32 stopper	St2ps, St3	GOST 8969
6	Welding wire	Sv08A	GOST 2246
7	Plug for heat pipe	PE	-

Socle gas inlet steel straight

table 2

No. p / p	Name	brand, material	Normative document
1	2	3	4
1	Pipe steel electrowelded	Ø57x3.5, steel20	GOST 10704 GOST 10705
2	The connection is one-piece	NS 63x57 gas PE 100 SDR 11	TU 2248-001-86324344-2011

End of table 2

1	2	3	4
3	Bituminous mastic	Bituminous primer	TU 5775-005-18314696
4	Polyethylene mastic tape LIT	LIT PVC 150x2	TU 2245-003-18314696
5	Welding wire	Sv08A	GOST 2246
6	Pipe PE 100	GAS SDR 17.6 110x6.3	GOST R 50838
7	Steel ball valve KShTsP Gas 025.040.N/A.02	Article 20	GOST 21345
8	Transition steel 57х25	Article 20	GOST 17378
9	Cuff sealing	PE	GOST 30732
10	Case (0.8m)	PE100 SDR 17.6 110x6.3	GOST R 50838

Socle gas inlet with a one-piece connection of a polyethylene pipe with a steel

Table 3

No. p / p	Name	brand, material	Normative document
1	2	3	4
1	Pipe steel electrowelded	Ø57x3.5, steel20	GOST 10704 GOST 10705
2	The connection is one-piece	NS 63x57 gas PE 100 SDR 11	TU 2248-001-86324344
3	Bituminous mastic	Bituminous primer	TU 5775-005-18314696
4	Polyethylene mastic tape LIT	LIT PVC 150x2	TU 2245-003-18314696
5	Coupling steel with DN32 stopper	St2ps, St3	GOST 8969

End of table 3

1	2	3	4
6	Welding wire	Sv08A	GOST 2246
7	Plug for heat pipe	PE	-
8	Case (0.8m)	PE100 SDR 17.6 110x6.3	GOST R 50838

1.2.2 Quality control details:

The total thickness of the coating…………………………… not less than 1.8 mm;

Adhesion to steel t -20ºC ………………………….not less than 20 N/cm;

Adhesion in the overlap of the tape to the tape……………………..not less than 7 N/cm;

Adhesion of the wrapper to the tape ………………………………… not less than 5 N/cm;

Dielectric continuity…………………………not less than 5 kV/mm;

Welded seam of welding HC to the pipe is checked radiographic method in the amount of 100%;

Plinth entry tested for strength by pressure…………. 0.6 MPa;

The base inlet is tested for tightness by pressure…….. 0.3 MPa.

1.2.3 The coating is made in accordance with GOST 9.602, type VUS (tape polymer) and complies with the requirements of RD 153-39.4-091.

1.2.4 Dimensions:

• length, mm………………………………………………….1450(2450);
• width, mm……………………………………………………….1750;

1.2.5 Gas pipelines at the points of entry and exit from the ground, as well as gas pipeline entries into buildings, should be enclosed in a case. The space between the wall and the case should be sealed for the entire thickness of the crossed structure. The ends of the case should be sealed with elastic material.

1.2.6 The entry of gas pipelines into buildings should be provided directly to the room where the gas-using equipment is installed, or to the room adjacent to it, connected by an open opening.

1.3.1 The design of the product must ensure safety during operation, provide for the possibility technical inspection and repair. The need, frequency and duration of shutdown of equipment for maintenance and repair is determined by the operating organization, depending on the nature of technological process and the possibility of safe work in accordance with the developed repair documentation.

1.3.2 The surfaces of the products should not have nicks, burrs, scuffs, dents, rough scratches and other defects.

1.3.3 Overall dimensions must correspond to those specified in the working and design documentation.

1.4 Requirements for raw materials, materials and components

1.4.1 The product is made from materials specified in the design documentation, for which the appropriate certificates of conformity must be issued.

1.4.2 The quality of the materials used and the blanks given in the design documentation must comply with the requirements of the current standards.

1.4.3 It is allowed to replace the materials indicated in the drawings with others, the properties of which do not impair the quality of the parts and the product as a whole.

1.4.4 Components must comply with the requirements of current standards and have an appropriate technical documentation(passport, instruction manual, etc.)

1.4.5 All materials and components used in the manufacture must pass the input control.

Organization, conduct and execution of the results of incoming control must meet the requirements of GOST 24297.

1.4.6 Limit deviations of the shape and location of the surface (non-flatness, non-straightness, non-circularity, non-parallelism, non-perpendicularity, misalignment), not specified in the drawings, should not exceed the tolerances for the corresponding dimensions.

1.5 Completeness

1.5.1 The equipment is supplied assembled.

Operational documentation:

1) installation and operation manual, OM;

2) passport, PS;

3) packing list.

1.6 Marking

1.6.1 Product marking must comply with the requirements of GOST 12969 and GOST 12971.

1.6.2 Equipment must bear the following markings:

• trademark and (or) name of the manufacturer;
• name of the product and its symbol;
• serial number according to the numbering system of the manufacturer;
• Date of issue;
• designation of these technical conditions.

1.6.3 The marking font must comply with GOST 26.020 for flat print and GOST 26.008 for the impact method.

1.6.4 The method of application of the marking shall be such that it remains intact under conditions of normal use and after exposure to water and cleaning agents.

1.6.5 Transport marking and location of handling signs in accordance with GOST 14192.

1.7 Packaging

1.7.1 The bushings must be packed in containers according to GOST 2991 and GOST 10198 or containers. Packaging must ensure the protection of products during transportation by all modes of transport.

1.7.2 The documentation supplied with the product must be enclosed in a bag made of polyethylene film GOST 10354.

For additional protection against mechanical damage, the package must be wrapped with waterproof paper or plastic wrap.

8. MANUFACTURER WARRANTY

8.1. The manufacturer guarantees the conformity of the products with the requirements of these TS, subject to the conditions of storage, transportation and operation.

8.2. Warranty period of operation - 24 months from the date of commissioning of products.

8.3 The full service life before decommissioning is 10 years.

8.4. The manufacturer's warranty expires at the end of the warranty period.