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Fire Protection Pipes Schedule 40 UL/FM

Fire Protection Pipes Schedule 40 UL/FM

Fire Protection Pipes Schedule 40 UL/FM
Fire Protection Pipes Schedule 40 UL/FMFire Protection Pipes Schedule 40 UL/FMFire Protection Pipes Schedule 40 UL/FMFire Protection Pipes Schedule 40 UL/FMFire Protection Pipes Schedule 40 UL/FM
CategoriesSeamless Firefighting Pipe
BrandBAOLAI Steel Pipe Wholesale Manufacturer
Model1/2" - 10" ( DN15 - DN250)
Thickness1.85 - 9.56 mm
Length5.8-12M
StandardASTM A53;ASTM A795
GradeGrade A,B
SurfaceThe surface finished can be specified by customers
EndsPlain, Bevel, Threaded or Groove
UsageWet, preaction,deluge or dry pipe sprinkler system
CertificationUL/ FM/ API/ CE/ ISO
FOB portTianjin port
Terms of PaymentL/C, D/A, D/P, T/T
Update Time2022/10/3
Detail Information
Fire Pipe
Fire Pipe (Fire fighting pipe) is a type of normal carbon steel pipe used to convey fire suppression agent such as water or gas. Usually it is red in color. But light-wall pipes have a galvanized exterior of a silvery appearance. Installation of red steel pipe is limited to wet pipe sprinkler systems only.(ERW & Seamless)
Surface Treatment
Selmers manufactures pipe coating solutions for various types of coatings, mainly for anti-corrosion, mechanical protection
Painted Fire Sprinkler Pipe
Advantages:
Flexibility and ease of operation
Sufficient opportunities to incorporate future plant expansion
Easy plant foundation
Quick changeover times to other diameters
Colour Choose:
  • RED
  • BLUE
  • GREEN
  • BLACK
  • Et
Galavanized Firefighting Pipe
Advantages:
Flexibility and ease of operation
Sufficient opportunities to incorporate future plant expansion
Easy plant foundation
Quick changeover times to other diameters
Continuous coating results
Colour Choose:
  • SILVER
Epory Powder
Advantages:
Flexibility and ease of operation
Sufficient opportunities to incorporate future plant expansion
Easy plant foundation
Quick changeover times to other diameters
Colour Choose:
  • RED
  • BLUE
  • GREEN
  • BLACK
  • Et
Specification
Available size for A53 Sch40 Steel Pipe
Outside Diameter
(O.D)
THICKNESS
Test Pressure
DN
in.
mm
mm
Mpa
15
1/2"
21.3
2.77
4.8
20
3/4"
26.7
2.87
4.8
25
1"
33.4
3.38
4.8
32
1-1/4"
42.2
3.56
9.0
40
1-1/2"
48.3
3.68
9.0
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"
139.7
6.55
13.4
150
6"
165.1
7.11
12.3
200
8"
219.1
8.18
10.8
250
10"
273
9.27
9.9
300
12"
323.8
10.31
9.2
350
14"
355.6
11.13
9.0
Available size for ASTM A795 Sch40 pipe
Outside Diameter
(O.D)
THICKNESS
Test Pressure
DN
in.
mm
mm
Mpa
15
1/2"
21.3
2.77
4.8
20
3/4"
26.7
2.87
4.8
25
1"
33.4
3.38
4.8
32
1-1/4"
42.2
3.56
6.9
40
1-1/2"
48.3
3.68
6.9
50
2"
60.3
3.91
6.9
65
2-1/2"
73
5.16
6.9
80
3"
88.9
5.49
6.9
100
4"
114.3
6.02
8.3
125
5"
139.7
6.55
8.3
150
6"
165.1
7.11
8.3
200
8"
219.1
7.04
8.3
250
10"
273
7.80
6.9
Note:For pipe  8" and 10" , the thickness follows Sch30 of ASTM B36.10M , not Sch40 of ASTM B36.10M (8"/8.18mm,10"9.27mm).
Permissible variantions
Size
OD 
Tolerance
THK Toleranace
Remark
NPS
DN
OD(mm)
mm
SCH40(mm)
1. For pipe ≤ NPS 1-1/2", OD tolerance is ±0.4mm.

2. For pipe ≥ NPS 2", OD tolerance is ± 1%.

3. The min THK at any point is not more than 12.5%.

4. The max THK is not defined in ASTM A795, and BaoLai refers to ASTM A530  with 20%, 22.5% or 15% as t/D ratio.
1/2"
15
21.3
20.9~21.7
2.42~3.32
3/4"
20
26.7
26.3~27.1
2.51~3.44
1"
25
33.4
33.0~33.8
2.96~4.06
1-1/4"
32
42.2
41.8~42.6
3.12~4.27
1-1/2"
40
48.3
47.9~48.7
3.22~4.42
2"
50
60.3
59.7~60.9
3.42~4.69
2-1/2"
65
73
72.3~73.7
4.52~6.19
3"
80
88.9
88.0~89.8
4.80~6.31
4"
100
114.3
113.2~115.4
5.27~7.37
5"
125
141.3
139.9~142.7
5.73~8.02
6"
150
168.3
166.6~170.0
6.22~8.71
8"
200
219.1
216.9~221.3
6.16~8.62
10"
250
273.1
270.4~275.8
6.83~9.56
Standard Reference:  ASTM A53 GR.B
1. For exact length (cut length), length tolerance is -0.0mm/ +6.0mm, as ASTM A530.
2. The weight (mass) tolerance of unit pipe is ±5%.
3. For pipe s NPS 4",weight is measured as per bundle. For pipe>NPS 4", measured as per individual length.
Application






Case
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