ROUND CONDUIT UPVC PIPES – ISI
MATERIAL DATA
Specification : IS 9537 Part -3
Dimension : 19mm to 63mm
Colours : Black, Grey, Ivory
Wall Thickness Table
Size Light Medium Heavy
20mm 1.15 – 1.20 1.40 – 1.55 1.80 – 1.90
25mm 1.25 – 1.35 1.50 – 1.60 1.90 – 2.00
32mm 1.50 – 1.60 1.90 – 2.00 2.50 – 2.60
40mm 1.90 – 2.00 2.10 – 2.20 2.60 – 2.70
50mm 2.20 – 2.30 2.60 – 2.75 3.15 – 3.30
63mm 2.70 – 3.00 - -
# Special Sizes
19mm 1.10 – 1.25 1.35 – 1.50 1.75 – 1.85
Dimensions
Tolerance Inside Diameter (Min)
Nominal Outside
on Outside
Size Diameter Light Medium Heavy
Diameter
20 20 -0.3 17.4 16.9 15.8
25 25 -0.4 22.1 21.4 20.6
32 32 -0.4 28.6 27.4 26.6
40 40 -0.4 35.8 35.4 34.4
50 50 -0.5 45.1 44.3 43.2
63 63 -0.6 57.0 - -
# Special Sizes
19 19 -0.3 16.5 16.0 15.1
01.) Material : High Impact Polyvinylchloride, unplastised grade
02.) Impact Resistance : High Impact Resistance
03.) Tensile Strength : 450/565Kg/cm²
04.) Chemical Resistance : Unaffected by Inorganic acid, Alkalis & Salt,
Crude & Petrochemicals
05.) Coefficient of linear : 7x10/mm/deg C
expansion
06.) Water Absorption : ≤ 4 mg/cm²
07.) Flammability : Fire Retardant, Self Extinguishing
08.) Vicat Softening Point : 80⁰ C at 5 Kg load / 50 N
09.) Oxygen Index : 40%
10.) Electric Strength : No breakdown even at 2 KV
11.) Insulation Strength : Resistance is of the order of 2000 M
12.) Operative Temperature : -/+ 5º C + 60º C
13.) Elongation : > 15%
Precision Plastic Industries Pvt. Ltd.
Regd. office : 19/D, Nand Jyot Industrial Estate, Safed Pool, Andheri-Kurla Road, Andheri (East), Mumbai 400072, India
T +91 22 4041 2000 | E electrical@precisionpipes.com | plumbing@precisionpipes.com
W www.precisionpipes.com | CIN U99999MH1995PTC090983
TECHNICAL DATA
Cl. Test Remarks
** Shall be marked with “PRECISION” Classification, ISI
mark, &
Marking on conduits shall be at regular intervals not
6 Marking more than 3 meters
** Marking shall be durable & checked by rubbing
lightly by hand for 15 sec. with a piece of cloth soaked
with petroleum spirit.
** Outside Diameter - Shall be possible to slide the
appropriate gauge over the conduit under its own
Dimension
weight
7 (Using
** Inside Diameter - Shall not be possible to pass the
Gauges)
gauges over the conduit in any position without under
force
Dimensions of
Oustside Diameter (Max); Inside diameter ; Tolerance of
Socket End
7.1.1 ID &
(Using
Length of socket end (min)
Gauges)
Inside Diameter Shall be possible for the appropriate gauge to pass
7.2
(Using Gauges) through the conduit under its own wt.
7.3 Length 3 mtrs
Uniformity of
7.4 wall Wall thickness shall be uniform
thickness
Surface of conduit shall be smooth and free from burrs,
8.1 Construction
flash & defects.
Bending Test
9.2 Only 16,20 & Shall show no visible cracks at room / low temperature
25mm
** The difference between the internal diameter &
diameter of the flattened sample shall not exceed 25%
Compression
9.3.2 of initial diameter while the compression force is still
Test.
& applied
Force Applied
9.3.3 ** The difference between the internal diameter &
125 Kgs.
diameter of the flattened sample shall not exceed 10%
of the OD before the test
Shall be no sign of disintegration, no visible crack to
9.4 Impact Test
the naked eye in at least 9 of the 12 samples.
Collapse Test The gauge should pass through the conduit fixed to the
9.5 Only 16, 20 & support
25mm under its own weight without any initial speed.
Resistance to
10 Diameter of ball impression shall be > 2mm
Heat
Resistance to
11 Should not burn after removing the flame.
Burning
Die Electric
12.1.1 No breakdown shall occur during test.
Strength
Insulation
12.1.2 Insulation resistance shall not be less than 100 MΩ
Resistance
External Shall have adequate protection against external
13.1
Influences influences.
Precision Plastic Industries Pvt. Ltd.
Regd. office : 19/D, Nand Jyot Industrial Estate, Safed Pool, Andheri-Kurla Road, Andheri (East), Mumbai 400072, India
T +91 22 4041 2000 | E electrical@precisionpipes.com | plumbing@precisionpipes.com
W www.precisionpipes.com | CIN U99999MH1995PTC090983
