DH PIPE & FITTINGS
(DWV)

DH PIPE & FITTINGS (DWV)

DH PIPE & FITTINGS(DWV) OVERVIEW

World first developed DH PIPE & FITTINGS(DWV), it is 5 times stronger than cast iron.

DH PIPE & FITTINGS(DWV) is a world class, high strength sewage pipe system, it is suitable for skyscrapers, apartment,
hotel which is large building and long lived house with performance far exceeds international standards

ITEM DUCTILE DH2040 PIPE ISO ASTM
Tensile strength(Mpa) 52 45 48.3
Impact strength(height/weight) 3.0m/9kg 1.6m/1kg -

Breaking strength test performance(30t excavator)

DH PIPE & FITTINGS(DWV) IN LOTTE WORLD TOWER (123 STORIES, 555m)

DH PIPE & FITTINGS(DWV)install(August 2013)

DH PIPE & FITTINGS(DWV) MECHANICAL / PHYSICAL PROPERTIES
ITEM KS Standard(KS M 3401, 3404) DH2040 PIPE Performance Improvement
Tensile strength 43MPa 53MPa 123% improved
Falling weight impact strength NO abnomality form a fall of 1.5m
(weight : 9kg)
3.0m(Weight : 9kg) 200% improved
Flattening Normal Normal -
Vicat softening temperature test Over 76℃ 84.1℃ 108% improved
Chemical resistance Water(100%)

±0.2㎎/㎠

0.02 -
Sodium chloride(10%) 0.03
Sulfuric acid(30%) -0.07
Nitric acid(40%) -0.009
Sodium hydroxide(40%) 0.02
Pipe internal pressure creep 1 hour in 20℃, 42.0MPa Normal -
100 hour in 20℃, 35.0MPa Normal -
Test for lead Under 0.1wt% No found -
DH2040 Dimension Table

(Unit:in)

Nominal size Outside Diameter Thickness Length
Average Tolerance Average Tolerance
1.653 ±0.008 0.122 ±0.012

10 ft

1.890 ±0.008 0.142 ±0.012
2 2.362 ±0.008 0.157 ±0.016
3 3.504 ±0.012 0.197 ±0.016
4 4.488 ±0.016 0.216 ±0.020
5 5.512 ±0.020 0.256 ±0.024
6 6.496 ±0.020 0.275 ±0.024
8 8.504 ±0.027 0.295 ±0.031
10 10.512 ±0.035 0.354 ±0.031
12 12.520 ±0.039 0.362 ±0.035