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FM Approval [USA]


Industrial and commercial companies around the world rely on products and services that are FM Approved and specification tested to protect their properties from loss. The FM Approved mark, which is backed by scientific research and testing, tells customers your product conforms to the highest standards. FM Approvals is an international leader in third-party certification and approval of commercial and industrial products.


POLYFAB manufactures FM Approved PE pipes and fittings conforming to ISO 4427 standards with pressure rating SDR9 and SDR11. Our range of FM approved fittings included Elbows, Tee etc. as per EN 12201 standards. Under stringent quality control, our pipes and fittings are tested at each stage of production to comply with quality and standards.

HDPE Pipe Dimensions as per ISO 4427


Nominal OD (min)mm Nominal OD (max)mm Ovality
(max)mm
SDR9 PN20
Wall Thickness (mm)
Min. mm Max. mm Weight (Kg/m)
SDR11 PN16
Wall Thickness (mm)
Min. mm Max. mm Weight (Kg/m)
50
50.4
1.4
5.6 6.3 0.78
4.6 5.2 0.66
63
63.4
1.5
7.1 8 1.25
5.8 6.5 1.04
75
75.5
1.6
8.4 9.4 1.76
6.8 7.6 1.46
90
90.6
1.8
10.1 11.3 2.53
8.2 9.2 2.11
110
110.7
2.2
12.3 13.7 3.76
10 11.1 3.13
125
125.8
2.5
14 15.6 4.87
11.4 12.7 4.06
160
161
3.2
17.9 19.8 7.94
14.6 16.2 6.65
180
181.1
3.6
20.1 22.3 10.05
16.4 18.2 8.4
200
201.2
4
22.4 24.8 12.42
18.2 20.2 10.36
225
226.4
4.5
25.2 27.9 15.72
20.5 22.7 13.11
250
251.2
5
27.9 30.8 20.15
22.7 25.1 16.13
280
281.7
9.8
31.3 34.6 24.29
25.4 28.1 20.22
315
316.9
11.1
35.2 38.9 30.73
28.6 31.6 25.59

Reference Standards


Standard Title
ISO 4427:2007 PE Pipes for water supply
DIN 8074:1999 Pipes of High density polythylene (HDPE) type-2 dimensions
DIN 8075:1999 Pipes of High denisty polythylene (HDPE) type-testing
DIN 16963:1980 Part 1: High density polythylene (HDPE) fittings dimensions, type 2
EN 12201:2002 Plastics piping systems for water supply polyethylene part 3: fittings
EN ISO 15494 Plastics piping systems for industrial applications
BS EN 1555:2004 Plastics Piping Systems fro the supply of gaseous fuels - Polyethylene - Part 4: Valves
ISO 12176:2000 Plastics Pipes and Fittings - Equipment for fusion jointing polythylene systems part 2 & 3

At Polyfab HDPE drainage systems are the ideal solution for all types of drainage applications

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