Water Service Pipe

Description

Properties

Dong Yang’s water service pipes meet client requirements for high durability, long life and easy construction.  They use Epoxy Coal tar Enamel, Polyethylene and special inside lining & outside coating to international standards.

Application

Coated and wrapped Steel Pipes for water service pipe line

Steel pipe Fittings

Special Pipes for special applications

KS JIS ASTM BS DIN ISO NF AWWA OTHERS
D3583
D3536
D3578
D3626
D3627
D3589
G3457
G3443
G3451
G3469
A134
A139
A672
A671
534
6323
3601
1626
1628
2460
559
5256
2604
C200 JWWA G177
AS1579
API 5L

 

End Treatments

Plain

Flanged

Beveled

Bell & spigot

DYSP STD Specification

Description Tolerance Remarks
Outside Diameter
219.1 < D < 914 ±0.75% max ± 5mm
D > 914 ±0.75% max ± 5mm
Thickness
5 < T < 8 + not allowed, -10%
8 < T < 25 + not allowed, -10%
Weight ± 7.5%
Length
< 6m + 100mm, -0
L > 6m + 100mm, -0
Straightness under 0.2% of pipe length
Roundness Consistent with the diameter and wall thickness and type of joint
Chemical Analysis Acc to ASTM
Mechanical Property not less than min
-Tensile Test tensile strength
of base material
1 specimens per lot
-Bend Test not exceeding 1/8in 2 specimens per lot
Hydrostatic Test P=2st/D over 5sec.
N.D.T upon agreement with the purchaser
Relative Testing for
applied coating
As specified by the purchaser
-Coal tar Enamel Epoxy, P.E etc.

 

Applicable Size

  1. Longitudinal SAW Water Service Pipe

  1. Spiral SAW Water Service Pipe

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