PVC pipes 6 19 215 83. Rigid smooth PVC pipes for electrical wiring. Standards, technical conditions

Rigid smooth pipe made of PVC-U TU-6-19-215-83 (For monolithic construction no color requirement)

Rigid smooth pipe electrical engineering made of PVC-U TU-6-19-215-83 (white)

Technical smooth HDPE pipe (black)

Pipes made of low pressure polyethylene (HDPE) for water PE100

PVC corrugated pipes Gray RAL 7035 electrical

Light type with probe (PVC)

Light type without probe (PVC)

Heavy type with probe (PVC)

Heavy type without probe (PVC)

Flag mounting kit

Fprotective layer fasteners (reinforcement fasteners)

Pheating cable PNSV

Flexible corrugated pipes made of HDPE (polyethylene) black RAL9005

Light type with probe (HDPE) black

Light type without probe (LPE) black

Heavy type with probe (HDPE) black

Heavy type without probe (HDPE) black

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Registered in the High School

:ka Head of electrical installation of the USSR Construction Center

Belotserkovets

PIPES and ELECTRICAL WIRING. SMOOTH UNPLASTICIZED POLYVINYL CHLORIDE

Technical specifications TU 6-19-3JS - 1_3

Introduced for the first time Valid from

AGREED J

Brovary Plastics Plant Chief Engineer

G.N.Kivokurtsev

Teletype L 283/29 dated January 7, 1983.

Real technical specifications applies to smooth pipes round section made of unplasticized polyvinyl chloride without a socket and having a socket at one end for adhesive connection pipes Pipes are manufactured by continuous extrusion followed by bell molding.

Pipes are designed to protect electrical wiring from mechanical damage when open and hidden gasket in accordance with building codes and rules (SNiP), electrical installation rules (PUE), as well as instructions on labor protection and fire safety. It is allowed to manufacture pipes for other purposes upon agreement with the consumer.

I. TISH, TYPES AND SIZES

1.1. The pipes are divided:

By type - normal (Ш) and reinforced (U)

By type - with socket (P) and without socket

By size - permissible deviation for pipe wall thickness

would vary depending on the raw materials used (primary or secondary (B).

1.2. Pipes of type "H" are used for open and hidden installation close to the surface (plaster, etc.), pipes of type "U" are used for hidden installation in solid concrete.

1.3. The dimensions of the pipes must correspond to Table 1, the shape and dimensions of the socket - Figure 1, Table 2.

1.4. The color of the pipe is not regulated.

1.5. Example symbol pipes for electrical wiring (EP). when ordering and marking:

I. Pipe type “N” with an outer diameter of 50 mm, made from primary raw materials: PVC pipe EP 50 N TU 3

4.2.5. The final measurement results are taken as the maximum and minimum values ​​of the average outer diameter and wall thickness of the pipe, and internal diameter bell

4.2.6. It is allowed to take measurements with a special measuring instrument: for the internal diameter of the socket - a plug gauge (passage-subsurface passage).

4.3. The tensile yield strength and the elongation at break are determined according to GOST 11262-80 on three samples taken from the batch. Test temperature 20+2°C, before testing the samples are conditioned at this temperature in accordance with GOST 12423-66

For pipes with an outer diameter of 0 16 mm, the test is carried out on pipe sections 160 ± 5 mm long. To fix a segment in testing machine Clamps of the appropriate shape must be provided, and plugs 30 mm long should be inserted into the segment at both ends to avoid crushing.

For pipes 0 20 mm or more, tests are carried out on samples of type 2 GOST 11262-80, cut along the generatrix of the pipe. The thickness of the sample should be equal to the thickness of the pipe wall. Samples are cut out of pipes using a heated punch (temperature 160°C) or made by machining. Before making a sample, it is allowed to straighten a piece of pipe by heating it at a temperature of 125-130°C for 2 minutes per 1 mm of thickness, and then place it between two metal plates under a load that does not cause a significant change in thickness (0.5-1 kgf/cm2). It is allowed to make one sample from one piece of pipe.

To carry out the test, it is necessary to determine the minimum value of the average outer diameter (Dn.sr./f/?) of the pipe section, the maximum (btlh) and minimum ($t.1p) wall thickness in accordance with paragraphs. 5.2.1; 5.2.2. The average wall thickness is calculated using the formula:

The cross-sectional area of ​​a pipe section (G) in cm2 is calculated with an accuracy of 0.001 cm2 using the formula:

F = 3.14 (Day average/yahya) - $ average) x Zav.

The basis for determining the relative elongation when testing pipe sections is taken equal to 50 mm. Marks marking the base are applied at an equal distance from the ends of the pipe section.

On type 2 samples, measure the thickness and width of the base with a micrometer in at least three cross sections with an accuracy of 0.005 cm (the width can be measured with a caliper). The area of ​​each cross-section is calculated with an accuracy of 0.001 cm; When calculating the yield strength, the smallest value is used.

It is possible to determine the deformation of a sample by changing the distance between the grips.

4.4. Impact strength testing of pipes.

4.4.1. Impact strength testing using the falling load method. A diagram of the testing device is given in drawing 2.

The sample is a piece of pipe 200 mm long. The number of samples must be sufficient to apply 60 strokes.

The impact locations are marked on the sample with lines drawn along generatrices located at equal distances around the perimeter. The number of lines on one sample must correspond to the number of impacts indicated in Table 4.

Before testing, samples must be conditioned at the test temperature in accordance with GOST 12423-66. The test sample is placed on a massive Y-shaped block with an apex angle of 120° and struck with a free-falling weight. The tip of the weight that comes into contact with the sample is a prolu-sphere with a radius of 12.5 mm. If the sample does not collapse after the first blow, then the blow is applied along the following lines until it is broken.

the net will collapse or the blow will be delivered along all lines.

4.4.2. Impact strength control using the double-support impact bending method.

Tests are carried out in accordance with GOST 4647-69. To control impact strength, 10 samples are taken from one section of pipe in accordance with Table 4. Sample type I is a piece of pipe, sample types 2 and 3 are bars without a notch, cut from the pipe along generatrices evenly distributed around the circumference of the pipe.

Table 4

The blow is applied to the outer surface of the pipe.

Sample Dimensions

Distance between supports

Dimensions mm

Type Dimensions of the tested sample-_pipe___________

outer thickness

wall diameter L

5. LABELING, PACKAGING, TRANSPORTATION AND STORAGE

5.1. The marking must be applied to the surface of the pipe with a heated metal stamp or paint at intervals of no more than 4 m and must include the trademark or name of the manufacturer and the symbol of the pipe without the word “pipe.”

Pipes 00 16 and 20 mm can be marked with a common label on the pipe bundle.

5.2. Pipes must be tied into dachas weighing no more than 80 kg* The bundles are tied with any dressing material that prevents mechanical damage to the pipes.

5.3. Pipes should be stored horizontally, at a distance of at least one meter from the heat source; the stack height should not exceed 2.5 m. The storage conditions for pipes must exclude the possibility of mechanical damage.

5.4. Pipes can be transported by any type of transport

in accordance with the rules in force for this type of transport (see Appendix 4).

6. INSTRUCTIONS FOR PRZENESH20

6L. The assembly of pipes is carried out by pushing the smooth ends of the pipes into the sockets molded at the ends of the pipes. To ensure the tightness of the joints, GShK-122 glue is used according to TU 6-05-251-IQ-7 4, GIPC-127 according to TU 6-05-251-95-79, and imported gap-filling adhesives such as "Tangit".

7. MANUFACTURER WARRANTY

7.1. Pipes must be accepted by the technical control of the manufacturer. The manufacturer must guarantee that all manufactured pipes comply with the requirements of these technical specifications, subject to the consumer's compliance with the storage and transportation conditions * established by these technical specifications.

7.2. The guaranteed shelf life of pipes is two years from the date of manufacture.

cooking

APPENDIX I (mandatory)

PROCEDURE FOR PRODUCTION OF REFERENCE SAMPLES

I. A standard sample is a piece of pipe from 0.3 to 1 m long with markings and a socket (for pipes with sockets), selected from a serial batch of pipes manufactured in accordance with the requirements of these technical specifications.

2. The standard sample is supplied with a sealed label indicating;

a) symbol of the pipe when ordering;

b) name of the manufacturer;

c) stamp of approval of the standard sample by the chief engineer of the manufacturer, confirmed by a round seal, and the date of approval;

d) stamp of approval with NPO "Plastik", confirmed by a round seal, and the date of approval.

3. Standard samples are approved for the period of validity of the technical specifications. When changes are made to clause 2.1 of these technical conditions, standard samples are subject to re-approval.

4. Standard samples must be stored at the manufacturing plant

APPENDIX 2 (for reference)

PIPE SAMPLE DIMENSIONS

selected for acceptance testing taking into account impact testing using the falling weight method

NOTE: When testing impact strength using the double-impact bending method, 5 samples with a length of 1 meter are taken from the batch.

APPENDIX 3 (for reference)

documents mentioned in the technical specifications

Metal measuring tape

Calipers. Types. Main parameters Technical requirements

Micrometers with 0.001mm division

Plastics. Tensile test method

Plastics. Conditioning conditions for samples

Double bearing impact bending test method

Metal measuring rulers

Adhesive for connecting vinyl plastic pipes brand GYPK-122

Adhesive for joining PVC-U pipes

APPENDIX 4 Mandatory to TU 6-19-Ш"ЛЗ

transportation of goods, operating in transport

1. By rail:

"Rules for the transportation of goods" - developed by the Ministry of Railways of the USSR."

"Charter of Railways of the USSR" - approved by Resolution Jf 27 of the Council of Ministers of the USSR dated 6.4.64."

2. By air:

“Rules for the transportation of passengers, baggage and cargo by air lines of the USSR” - announced by order of the Minister of Civil Aviation of the USSR B 401 dated 2.6.71.

3. By river transport:

"Rules for the transportation of goods" - developed by the Ministry of River Fleet of the RSFSR.

"Charter of Internal Transport of the USSR" - approved by Resolution L 1801 of the Council of Ministers of the USSR dated October 15, 1965.

4. By road transport:

"Rules for the transportation of goods by road transport of the RSFSR" -

Developed by the Ministry of Road Transport of the RSFSR "Charter of Road Transport of the RSFSR", approved by Resolution

by resolution L 12 of the Council of Ministers of the RSFSR dated January 8, 1969.

5. By sea transport:

"Rules for safe maritime transportation of general cargo" -

Developed by the Ministry of the Navy of the USSR (letter from the Ministry of Marine Fleet L NTU-3-48/586 dated April 2, 1981).

Appendix 5 (mandatory)

Code table

2. Pipe of type “y” with an outer diameter of 0 32 mm with a socket (P) made from recycled materials (B)

PIPE PVC-V-R EP 327 T7 6-19-

2. TECHNICAL REQUIREMENTS

2.1. Pipes must be made from crushed waste (recycled raw materials) from the production of pressure pipes and pipeline connecting parts from unplasticized polyvinyl chloride (UPVC) in accordance with technological regulations approved in the prescribed manner. It is allowed to manufacture pipes from the PVC-U composition (primary raw materials).

2.2. Smooth pipes without sockets and with sockets must be manufactured in sections of nominal lengths of 5.5 and 6.0 m. The deviation of the length from the minimum should be no more than 50mm.

It is allowed to supply pipes of shorter length (but not less than 2m) in quantities up to 10% of the batch size. By agreement with the customer, it is possible to supply pipes in batches of other lengths.

2.3. The surface of the pipes must be flat and smooth, slight roughness, waviness, as well as minor traces from the forming tool, slight unevenness of the inner surface of the pipe and individual inclusions are allowed. Cracks, bubbles, and cavities are not allowed on the surface and at the end of the pipes.

The appearance and surface quality shall be in accordance with the standard model approved in accordance with Annex I.

2.4. When testing pipes for tension, the yield strength must be at least 450 kg/cm2, the relative elongation at break must be at least 25#, and the speed of movement of the movable gripper of the machine is 25 + 0.5 mm/min.

2.5. Testing of pipes for impact strength is carried out using the falling weight method or the double-support impact bending method, which is an arbitration method. The test is carried out at a temperature of 20 + 2°C.

Table I

NOTE: The theoretical weight of 1 m of pipes is for reference and is not a rejection indicator

2.5.1. Pipes are tested for impact strength with a load falling from a height of 2 m in accordance with the conditions specified in Table 3. The number of blows for pipes of any diameter is 60.

Pipes are considered suitable if no more than three samples are destroyed and rejected if more than ten samples are destroyed. If four to ten samples are destroyed, repeated tests are carried out on additionally selected samples, applying another 60 blows. The total number of failed samples, including repeated tests, should not exceed ten.

Table 3

Outer diameter, Number of impacts, per- Weight of the falling load, mm, carried one load at a time, kg

Razpu_______________

2.5.2. When determining impact strength by the double-support impact bending method, the proportion of failed samples should not exceed 10%. If more than 10% of the samples are destroyed, then repeat tests are carried out on twice the number of samples from the same batch. In this case, the total number of failed samples during the initial and repeated tests should not exceed 10% of the total number of tested samples.

When testing, a pendulum with an impact energy of 150 kgf.cm is used.

2.5.3. OKI codes are given in reference appendix 5.

2.5.4. Performance characteristics of pipes for electrical wires

documents are given in Appendix 6.

3. ACCEPTANCE RULES

3.1. Pipes are supplied in batches. Partien is the number of pipes (in meters) of the same standard size made from the composition

one recipe composition on one extrusion plant under steady-state technological conditions, delivered simultaneously, accompanied by one quality document. The lot size should not exceed 5000m.

3.2. Each batch must be accompanied by a document indicating:

Product name and symbol

Manufacturer's name

Number and date of issue of the document

Batch number and release date

Lot size in linear meters

Quality indicators based on tests performed or confirmation of compliance of pipe quality with the requirements of these technical specifications.

3.3. Each batch of pipes is checked for compliance with the requirements of these specifications. For this purpose, acceptance tests are carried out in the volume and quantity indicated in Table 4 and paragraph 3.4; 3.5;

3.6 and type tests according to paragraphs. 3.7 and 3.8.

Table 4

Controlled parameters Test method

1. Appearance of the surface according to clause 5.1.

2. Dimensions: outer diameter, wall thickness, pipe, inner diameter

bell according to clause 5.2.

3. Yield strength and elongation at break according to clause 5.4, or GOST

according to 5.4. or KYuT4647-80

4. Impact strength

3.4. All tests should be carried out no earlier than 8 hours after production of the batch. To carry out tests according to

from Table 4, at least 5 pipe sections are randomly selected from the batch, the total length of which is indicated in Appendix 2.

3.5. If the appearance and dimensions of at least one of the pipes do not comply with the requirements of these specifications, the parts are sorted

3.6. If, during a tensile test, at least one sample does not meet the requirements of these specifications, repeated tests are carried out on a double number of samples. The results of repeated tests are final.

3.7. Before the start of production of each type of pipe size of a long-standing recipe, the dimensions of the sockets are monitored at least twice a year: wall thickness (£j) and socket length (&*)

3.8. If the dimensions of the sockets b) do not comply with the requirements of these Specifications, the serial production of pipes of this standard size is suspended to test the regime until satisfactory results are obtained.

4. TEST METHOD#

4.1. The surface appearance of 3% of the tubes, randomly selected from the batch, is subject to control. Inspection is carried out visually, without the use of magnifying devices, by comparing the inspected pipe with a standard sample.

4.2. Size control.

4.2.1. To control the dimensions, the following measuring tool is used:

Tape measure with a measurement limit of 0-2000mm according to GOST 7502-30

Vernier calipers with a measurement limit of 0-125mm according to GOST 166-80

Micrometer with a measuring limit of 0-25mm type MT according to G0ST6507-78

Dimensions are checked on five samples selected in accordance with Appendix 2. For pipes 0 32 mm or less, the arithmetic mean of the sample measurements in two mutually perpendicular directions in three places evenly along its length is taken as the average outer diameter. Measurements are made with a caliper with an accuracy of 0.1 mm. Determination of the average outer diameter of pipes Dn = 40 mm or more is carried out using a tape measure by measuring the perimeter of the sample in three places evenly along its length with an accuracy of 0.5 mm.

The value of the average outer diameter is determined by the formula:

Fri + Mo + Day Wed. = - 2 . T

where Hj,n 2,n3 - measurements of the sample perimeters in three sections, mm T - thickness of the tape measure, mm

Calculation is carried out with an accuracy of 0.1mm

4.2.2. The wall thickness of pipes (£) and sockets is measured

micrometer from both ends of the sample at four points evenly distributed around the circumference at a distance of at least 10 mm from the end. Each measurement is made with an accuracy of 0.01mm. When calculating the deviation from the nominal value, the maximum and minimum wall thicknesses are rounded to 0.1 mm.

4.2.3. The value of the internal diameter of the socket (c/j) is taken as the arithmetic mean of the measurement results in two mutually perpendicular directions; measurements are taken with a caliper with an accuracy of 0.1 mm.

PVC electrical pipe (PVC pipes for laying cables) used for protection electrical wiring from mechanical damage during open and hidden installation in accordance with building codes and regulations (SNiP), electrical installation rules (PUE), as well as labor protection and fire safety instructions.

Types and sizes.

PipesPVC are divided:

• by type - normal (N), used for open and hidden installation close to the surface, and reinforced (U), used for installation in solid concrete.
• in size - with larger and smaller tolerances for wall thickness depending on the raw materials used (primary or secondary).

PVC pipes manufactured in sections of nominal length from 2.0 m to 6.0 m with a maximum deviation of 50 mm. External pipe diameters are: 16 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm,63 mm, 75 mm. The color of the pipe is not regulated. Pipe assembly is carried out using connecting parts.

Advantages of PVC pipes for electrical wiring.

• additional insulation;
• self-extinguishing material;
• easy and quick installation;
• durability (50 years).

Packaging, warehousing, transportation.

PVC pipes must be stored in a warehouse or other conditions that exclude the possibility of mechanical damage and direct sunlight. Storage in an open warehouse is allowed for no more than 3 months from the date of its manufacture. Pipes must be stored horizontally on a flat base without sharp protrusions or uneven surfaces to avoid damage. Transportation of pipes must be carried out in a horizontal position. During loading and unloading, it is necessary to insure against mechanical damage; the use of steel cables is not allowed . PVC pipes are not allowed to be dropped or dragged along the base; they must be carried.

Norms, technical conditions.

Smooth rigid PVC pipes for electrical wiring are manufactured according to TU 6-19-215-83.
Rigid smooth PVC electrical pipes, gray.

Prices are valid for orders over 100,000 rubles from the factory warehouse. For smaller orders prices increase by 10%. Retail prices (up to 10 packages of pipe) increase by 20%.