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GROOVED PIPES

A fire sprinkler pipe is the component of the fire fighting sprinkler system that discharges water when the fire had been detected that the temperature exceeded the predetermined temperature. The fire sprinkler piping is extensively used worldwide. There are several sprinklers provided by the fire sprinkler equipment suppliers, like quick response, standard response, CMSA, residential, ESFR.
Being one of the fire sprinkler pipe suppliers, we manufactures& supplies fire sprinkler pipes. The major products applicable to the pipeline fire, water, heat, gas, sewer, subway, airports, seaports, bridges, tunnels, railway stations, pipeline system and so on.
All products have FM Certification and UL Certification.

Specification:

O.D. : Φ33.7-Φ273.1 (mm)
Wall thickness: 2.75-5.0 (mm)
Anticorrosive: hot galvanized / powder coating / painting
End state: Grooved / Plain end / screwed & socketed
Function: Fire and water supply system in building

Product Standard

ASTM A135
ASTM A795

ASTM A135 (BLACK & GALVANISED) SCH10

Nominal Diameter Outside Diameter Wall Thickness Nominal Weight Test Pressure
inch mm mm kg/m Mp
4/3 26.8 2.11 1.28 17.24
1 33.5 2.77 2.09 17.24
1-1/4 42.2 2.77 2.7 16.55
1-1/2 48.3 2.77 3.1 14.48
2 60.3 2.77 3.93 11.72
2-1/2 73 3.05 5.26 10.34
3 89.8 3.05 6.45 8.27
3-1/2 101.6 3.05 7.41 6.89
4 114.3 3.05 8.36 6.21
5 141.3 3.4 11.58 5.86
6 168.3 3.4 13.84 5.02
8 219 4.8 15.41 4.26

ASTM A135 (BLACK & GALVANISED) SCH40

Nominal Diameter Outside Diameter Wall Thickness Nominal Weight Test Pressure
inch mm mm kg/m Mp
1/2 21.3 2.77 1.27 17.2
3/4 26.8 2.87 1.68 17.2
1 33.5 3.38 2.5 17.2
1-1/4 42.2 3.56 3.38 17.2
1-1/2 48.3 3.68 4.05 17.2
2 60.3 3.91 5.43 16.08
2-1/2 73 5.16 8.62 17.2
3 88.9 5.49 11.28 15.3
3-1/2 101.6 5.74 13.56 14
4 114.3 6.02 16.06 13.06
5 114.3 6.55 21.76 11.5
6 168.3 7.11 28.34 10.48
8 219.1 8.18 36.9 7.96

ASTM A795 (BLACK & GALVANISED)

Nominal Diameter Outside Diameter SCH 10 SCH 30/40
Wall Thickness Nominal Weight Wall Thickness Nominal Weight
DN inch mm inch mm inch kg/mtrs lbs/ft mm inch kg/mtrs lbs/ft
15 1/2 21.3 0.84 - - - - 2.77 0.109 1.27 0.85
20 3/4 26.7 1.05 2.11 0.083 1.28 0.96 2.87 0.113 1.69 1.13
25 1 33.4 1.32 2.77 0.109 2.09 1.41 3.38 0.1333 2.5 1.68
32 1-1/4 42.2 1.66 2.77 0.109 2.69 1.81 3.56 0.14 3.39 2.27
40 1-1/2 48.3 1.9 2.77 0.109 3.11 2.09 3.68 0.145 4.05 2.72
50 2 60.3 2.38 2.77 0.109 3.93 2.64 3.91 0.154 5.45 3.66
65 2-1/2 73 2.88 3.05 0.12 5.26 3.53 5.16 0.203 8.64 5.8
80 3 88.9 3.5 3.05 0.12 6.46 4.34 5.49 0.216 11.29 7.58
90 3-1/2 101.6 4 3.05 0.12 7.41 4.98 5.74 0.226 13.58 9.12
100 4 114.3 4.5 3.05 0.12 8.37 5.62 6.02 0.237 16.09 10.8
125 5 141.3 5.56 3.4 0.134 11.58 7.78 6.55 0.258 21.79 14.63
150 6 168.3 6.63 3.4 0.134 13.85 9.3 7.11 0.28 28.29 18.99
200 8 219.1 8.63 4.78 0.188 25.26 16.96 7.04 0.277 36.82 24.72
250 10 273.1 10.75 4.78 0.188 31.62 21.23 7.08 0.307 51.05 34.27