Professional welded, seamless, firefighting steel pipes, coils and sheets manufacturer since 1991 
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Fire Pipes
Fire Pipes
Fire Pipes

ASTM A135 Fire Sprinkler Pipes

ASTM A135 Fire Sprinkler Pipe，ERW Welded Steel Pipes
ASTM A135 Fire Pipes, firefighting pipes

Certification: UL/ FM

Grade: Gr.A/ B

Length: 5.8M/ 6M /12M or Customized

Ends: Plain/ Beveled/ Roll groove/ NPT/ BSPT

Usage: Wet, preaction,deluge or dry pipe sprinkler system

Surface: Red/ Black/ Red epoxy or polyester/ Galvanized
Quantity
UL/FM certified, Gr.A/B, 1/2"- 10"diameter, 1.85-9.56mm thickness, customizable length, various end types, for wet, preaction, deluge or dry pipe sprinkler systems.
Our ASTM A135 Fire Sprinkler Pipe is a reliable choice for fire protection systems. It comes in Gr. A and Gr.B grades, with UL and FM certifications. With a diameter range from 1/2"to 10"and a wall thickness of 1.85-9.56 mm, it suits different needs. The length can be customized, ensuring a perfect fit. The ends can be plain, beveled, roll-grooved, NPT, or BSPT. Available in red, black, red epoxy or polyester, or galvanized surface finishes. It is a perfect solution for wet, preaction, deluge, or dry pipe sprinkler systems.
BAOLAI® ASTM A135 Fire Sprinkler Pipe is a high-quality piping solution that meets all industry specifications and tolerances to ensure optimal safety and performance.
 
　
Outside Diameter
(O.D)
THICKNESS
Test Pressure
Sch10
DN
in.
mm
mm
Mpa
25
1"
33.4
2.77
17.2
32
1-1/4"
42.2
2.77
17.2
40
1-1/2"
48.3
2.77
16.5
50
2"
60.3
2.77
13.1
65
2-1/2"
73
3.05
11.7
80
3"
88.9
3.05
9.6
100
4"
114.3
3.05
7.6
125
5"
141.3
3.4
6.9
Sch40
25
1"
33.4
3.38
17.2
32
1-1/4"
42.2
3.56
17.2
40
1-1/2"
48.3
3.68
17.2
50
2"
60.3
3.91
17.2
65
2-1/2"
73
5.16
17.2
80
3"
88.9
5.49
17.2
100
4"
114.3
6.02
15.2
125
5"
141.3
6.55
13.4
150
6"
168.3
7.11
12.2