PVC-U pressure pipes for water supply

Pipes and fittings are intended for drinking water and other substances supply to which PVC and material of the O- rings are chemically resistant (chemical stability indicators can be found at CN 550-82 “Instruction on the technological pipelines design based on the plastic pipes”).
Pressure pipes produced at a nominal pressure (PN-nominal pressure is the constant internal water pressure in the pipeline at 20 ° C, which can be withstood by the pipes for 50 years): 6.3; 8.0; 10.0; 12.5; 16.0 Atm incl.:
– The pipes without sockets with outer diameter of 20-315 mm, safety factor C = 2.5 * (100-PVC)
– The pipes with sockets of outer diameter of 110-315 mm, safety factor C = 2.0 * (PVC-125) with a connection via O-rings 38.105.1933-93 Technical Specifications. * – Factor of safety C selected when designing water supply equal to 2.5, corresponding to the pressure in the pipe wall [δ] = 10MPa (PVC-100) and equal to 2.0, corresponding to the pressure in the pipe wall [δ] = 12.5 MPa (PVC-125). PVC-U pipes manufactured according to the Technical Specifications of Ukraine В.2.5.-25.2-00203594.021-2001 and have all the necessary certificates: pipes and fittings (CONFORMITY CERTIFICATE № UA1.100.0050305-15 as of July 22, 2015) and approved for drinking water supply by the Ministry of Health Care of Ukraine № 505.07/156/5830 dated 18.05.2001. Each batch of pipes and fittings accompanied by a quality certificate. The color of PVC-U pressure pipes and fittings for drinking water supply is dark gray and shades are not regulated.
The projected life is up to 50 years. Confirmed Term of Service accounts for over 35 years)
Pipe sizes and limit deviations are given in the table

Outer diameter , d PVC125 (PVC – 100) SDR 41 S20 PN6.3 (PN5) SDR 33 S16 PN8 (PN6,3) SDR 26 S12,5 PN10 (PN8) SDR 21 S10 PN12,5 (PN10) SDR 17 S8 PN16 (PN12,5)
Pipe Wall Thickness
Nominal value, mm Limit deviation, mm Nominal value, mm Limit deviation, mm Nominal value, mm Limit deviation, mm Nominal value, mm Limit deviation, mm Nominal value, mm Limit deviation, mm Nominal value, mm Limit deviation, mm
20 +0,3
25 +0,3 1,5 +0,4
32 +0,3 1,6 +0,4 1,9 +0,4
40 +0,3 1,5 +0,4 1,6 +0,4 1,9 +0,4 2,4 +0,5
50 +0,3 1,6 +0,4 2,0 +0,5 2,4 +0,5 3,0 +0,6
63 +0,3 1,6 +0,4 2,0 +0,5 2,5 +0,5 3,0 +0,6 3,8 +0,6
75 +0,3 1,9 +0,4 2,3 +0,5 2,9 +0,5 3,6 +0,6 4,5 +0,7
90 +0,3 2,2 +0,5 2,8 +0,5 3,5 +0,6 4,3 +0,7 5,4 +0,8
110 +0,4 2,7 +0,5 3,4 +0,6 4,2 +0,7 5,3 +0,8 6,6 +0,9
160 +0,5 4,0 +0,7 4,9 +0,7 6,2 +0,9 7,7 +1,0 9,5 +1,2
225 +0,7 5,5 +0,8 6,9 +0,9 8,6 +1,1 10,8 +1,3 13,4 +1,6
280 +0,9 6,9 +0,9 8,6 +1,1 10,7 +1,3 13,4 +1,6 16,6 +1,9
315 +1,0 7,7 +1,0 9,7 +1,2 12,1 +1,5 15,0 +1,8 18,7 +2,1

Pipes are produced in straight lengths from4.0 to 6.0 m with multiplicity of 0.25 m.
A socket geometry:
catalogphoto2Pipe sizes and limit deviations are given in the table

d d1 d2 e 1 is minimum for pipes I 2 is min I* I is min
Nominal value, mm Limit deviation, mm Nominal value, mm Limit deviation, mm SDR 41 S20 PN6.3 (PVC-125) SDR 33 S16 PN8 ( PVC-125) SDR 26 S12,5 PN10 ( PVC-125) SDR 21 S10 PN12,5 ( PVC-125) SDR 17 S8 PN16 ( PVC-125)
110 110,8 +0,9 132,5 +0,9 3,0 3,7 4,6 5,8 7,3 17 116,0 10
160 161,0 +1,1 186,0 +1,0 4,4 5,4 6,8 8,5 10,5 22 134,5 14
225 226,4 +1,1 254,5 +1,2 6,1 7,6 9,5 11,9 14,7 27 154,0 20
280 281,6 +1,4 314,7 +1,4 7,6 9,5 11,9 14,7 18,3 32 172,0 24
315 316,8 +1,5 351,3 +1,6 8,5 10,7 13,3 16,5 20,6 35 184,0 26

The maximum working fluid pressure in the pipeline at 20 ° C is determined on taking into account the reduction factor of pressure:

Temperature °С Coefficient of pressure reduction
25,0 1,00
27,5 0,94
30,0 0,88
32,5 0,84
36,0 0,78
40,0 0,70
42,5 0,67
45,0 0,64

Maximum allowable temperature of substances transported by PVC-U pipeline equals to + 45 ° C, minimum allowable equals to -5 ° C.
PVC-U pipes have low chemical activity and, therefore, can be used not only for transporting water, but some substances to which PVC and material of the O- rings are chemically resistant.

PVC-U fittings for water supply

To connect pipes with sockets by using rubber O-rings there applied elbow bend and couplings. Typical dimensions for elbow bend and couplings are designed for the nominal pressure PN 6.3 (6.3 kgf / cml) or 0.63 MPa and PN 10 (10.0 kgf / cml) or 10 MPa. PJSC “Brovary plastic plant” has the technical ability to produce elbow pipes with bending angle of 11 º, 30 º, 45 º, 90 º. The stock positions at the moment include: – PVC-U couplings for the pipes of d 110-315 mm designed for nominal pressure PN 6.3 (6.3 kgf / cml) or 0.63 MPa and PN 10 (10.0 kgf / cml) or 10 MPa. – PVC-U elbow bending 45º and 90º for pipes of d 110-315 mm designed for nominal pressure PN 6.3 (6.3 kgf / cml) or 0.63 MPa and PN 10 (10.0 kgf / cml) or 10 MPa. Shaped parts for PVC-U pipes manufactured in accordance with the Technical Specifications of Ukraine В.2.5.-25.2-00203594.021-2001 and have all the necessary certificates: pipes and fittings (CONFORMITY CERTIFICATE № 505.07/156/5830 as of July 22, 2015) and approved for drinking water supply by the Ministry of Health Care of Ukraine № 505.07/156/5830 dated 18.05.2001. Each batch of fittings is accompanied by a quality certificate. The color of PVC-U pressure pipes and fittings for drinking water supply is dark gray and shades are not regulated. The projected life is up to 50 years.Dimensions for elbow bend in mm. Note: L1 may be other sizes (on request)

catalogphoto2

d d1 d2 L е1 is minimum nominal value е1 is minimum nominal value
Nominal value Limit deviation Nominal value Limit deviation Nominal value Limit deviation PN 6,3 kgf/cm2 PN 10 kgf/cm2 PN 6,3 kgf/cm2 PN 10 kgf/cm2
110 +0,4 110,8 +0,9 132,5 +0,9 116,0 3,4 5,3 3,7 5,8
160 +0,5 161,0 +1,1 186,0 +1,0 134,5 4,9 7,7 5,4 8,5
225 +0,7 226,4 +1,1 254,5 +1,2 154,0 6,9 10,8 7,6 11,9
280 +0,9 281,6 +1,4 314,7 +1,4 172,0
315 +1,0 316,8 +1,5 351,3 +1,6 184,0 9,7 15,0 10,7 16,5

Socket size in mm. Note: L1 may be other sizes (on request)

catalogphoto2

d d1 d2 L е1 is minimum nominal value е1 is minimum nominal value
Nominal value Limit deviation Nominal value Limit deviation Nominal value Limit deviation PN 6,3 kgf/cm2 PN 10 kgf/cm2 PN 6,3 kgf/cm2 PN 10 kgf/cm2
110 +0,4 110,8 +0,9 132,5 +0,9 116,0 3,4 5,3 3,7 5,8
160 +0,5 161,0 +1,1 186,0 +1,0 134,5 4,9 7,7 5,4 8,5
225 +0,7 226,4 +1,1 254,5 +1,2 154,0 6,9 10,8 7,6 11,9
280 +0,9 281,6 +1,4 314,7 +1,4 172,0
315 +1,0 316,8 +1,5 351,3 +1,6 184,0 9,7 15,0 10,7 16,5

PJSC “BROVARY PLASTIC PLANT”

For many years, PJSC “Brovary plastic plant” holds the leading position among the largest Ukrainian enterprises in the field of plastic processing.
Since its incorporation on March 22, 1966, the plant has been constantly increasing its production capacity, rapidly developing, mastering new advanced technologies in the processing of the polymeric material products by using equipment of leading Austrian and German companies, and also of national enterprises.

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