Project Description

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 pipe suppliers, like quick response, standard response, CMSA, residential, ESFR.

Being one of the fire sprinkler pipe suppliers, we manufactures& supplies steel pipe for sprinkler fire fighting system. The major products applicable to the pipeline fire, water, heat, gas, sewer, subway, airports, seaports, bridges, tunnels, railway stations, pipeline system and so on. To enlarge sales of products to the global market, all export products have gained FM Certification and UL Certification.

Specification:

  • O.D.: Φ33.7—Φ219.1 (mm)
  • Wall thickness: 2.75—5.0 (mm)
  • Anticorrosive:
    1) hot galvanized
    2) powder coating
    3) painting
  • End state:
    1) Grooved
    2) Plain end
    3) screwed & socketed
  • Function:
    Fire and water supply system in building

Product Standard:

  • ASTM A135
  • ASTM A795

ASTM A135 (BLACK & GALVANISED) SCH10

N.D. O.D. 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 88.9 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 3.40 11.58 5.86
6 168.3 3.40 13.84 5.02
8 219 4.80 15.41 4.26

ASTM A135 (BLACK & GALVANISED) SCH40

N.D. O.D. WALL THICKNESS NOMINAL WEIGHT TEST PRESSURE
inch mm mm kg/m Mp
1/2 21.3 2.77 1.27 17.20
3/4 26.8 2.87 1.68 17.20
1 33.5 3.38 2.50 17.20
1-1/4 42.2 3.56 3.38 17.20
1-1/2 48.3 3.68 4.05 17.20
2 60.3 3.91 5.43 16.08
1-1/2 73 5.16 8.62 17.20
3 88.9 5.49 11.28 15.30
3-1/2 101.6 5.74 13.56 14.00
4 114.3 6.02 16.06 13.06
5 141.3 6.55 21.76 11.50
6 168.3 7.11 28.34 10.48
8 219.1 8.18 36.90 7.96

ASTM A795 (BLACK & GALVANISED)

N.D. O.D. SCH 10 SCH 30/40
WALL THICKNESS NOMINAL WEIGHT WALL THICKNESS NOMINAL WEIGHT
(mm) (inch) (mm) (inch) (mm) (inch) (kg/mtrs) (lbs/ft) (mm) (inch) (kg/mtrs) (lbs/ft)
15 1/2 21.30 0.84 —- —- —- —- 2.77 0.109 1.27 0.85
20 3/4 26.70 1.05 2.11 0.083 1.28 0.96 2.87 0.113 1.69 1.13
25 1 33.40 1.32 2.77 0.109 2.09 1.41 3.38 0.133 2.50 1.68
32 1-1/4 42.20 1.66 2.77 0.109 2.69 1.81 3.56 0.14 3.39 2.27
40 1-1/2 48.30 1.90 2.77 0.109 3.11 2.09 3.68 0.145 4.05 2.72
50 2 60.30 2.38 2.77 0.109 3.93 2.64 3.91 0.154 5.45 3.66
65 2-1/2 73.00 2.88 3.05 0.12 5.26 3.53 5.16 0.203 8.64 5.80
80 3 88.90 3.50 3.05 0.12 6.46 4.34 5.49 0.216 11.29 7.58
90 3-1/2 101.60 4.00 3.05 0.12 7.41 4.98 5.74 0.226 13.58 9.12
100 4 114.30 4.50 3.05 0.12 8.37 5.62 6.02 0.237 16.09 10.80
125 5 141.30 5.56 3.4 0.134 11.58 7.78 6.55 0.258 21.79 14.63
150 6 168.30 6.63 3.4 0.134 13.85 9.30 7.11 0.28 28.29 18.99
200 8 219.10 8.63 4.78 0.188 25.26 16.96 7.04 0.277 36.82 24.72
250 10 273.10 10.75 4.78 0.188 31.62 21.23 7.08 0.307 51.05 34.27

The Sole Supplier of Fire Pipe for Wenchang Satellite Launch Center.

WenChang Satellite Lanuch Center