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Innovative、Steady、Honest

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Pipes - Durable and Environmental friendly:

1)Standard pipes with flexible joints shall be class K7, class K8, K9 & K12 are also available.
2)Standard pipes with flanges screwed or cast-on shall be class K12.
3)Standard pipes with flanges welded-on shall be class K9.
4)Puddle flanged wall pipes are available in various lengths in the diameter range from 80mm to 2000mm.

Fittings - Full and comprehensive range of fittings are available from DN80~DN2000 for connecting an integral sewer system.

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Sewerage System Coatings&Linings

Coatings & Linings--Corrosive protection outside, and chemical and abrasion resistance inside.
PipeFitting
Outside External 》 Unless otherwise specified by the purchaser, all pipes are coated externally with zinc coating covered by a finishing layer of red-brown color epoxy paint in accordance with EN598.
》 PE sleeves comply with ISO8180 are available
》 Unless otherwise specified by the purchaser, all fittings are coated externally with zinc coating covered by a finishing layer of red-brown color epoxy paint in accordance with EN598.
》 Fusion Bonded Epoxy.
Inside 》 Unless otherwise specified by the purchaser, all pipes are high alumina cement mortar lined to EN598.
》 Other protective epoxy paint are available upon request.
》 High alumina cement mortar to EN598.
》 Fusion Bonded Epoxy, 250µm in thickness.
High Alumina Cement Mortar Lining to EN598
Nominal size
DN
ThicknessMaximum crack width and maximum radial displacement
Nominal valueIndividual minimum value
80~300
350~600
700~1200
1400~1600
1800~2000
3.5
5
6
9
9
2
3
3.5
6
6
0.6
0.7
0.8
0.8
0.8
單位:mm

*Purchaser can consult with us about the best choice of external costings and internal linings to be used.

Sewerage System Strength of Pipe Material

Strength of Pipe Material--Excellent quality for sewer piping system
Mechanical Properties
PropertiesPipesFittings
Tensile 420 N/mm2(Mpa) min 420 N/mm2(Mpa) min
Elongation DN <= 1000 10% Min
DN >= 1100 7% Min
5% min
Hardness HB 230 max HB 250 max
Pressure and Temperature Ratings

a) Works Proof and Leak Tighness Pressures

DNPipesFittings
(Nominal Size) mmbarbar
80 ~ 300
350 ~ 600
700 ~ 1200
1400 ~ 2000
2200 ~ 2600
50
40
32
25
18
25
16
10
10
10

b) Allowable operational Pressure

Type of operationInternal barExternal pressure bar
ContinuousOccasional
Gravity 0 - 0.5 2 1
Positive pressure 6 9 1
Negative pressure - 0.5 - 0.8 1

c) The nominal pressure rating are applicable to the temperature range - 10℃ to 120℃;the purchasers should be consulted with us where pressure-temperature conditions are out of this range.

Sewerage System Types of Joints

Types of Joint - leak tightness and easy to install.

Flexible Joints
a) "Push in" "T" type (Tyton Joint) are available for pipes & fittings of the range DN80 ~DN2000.
b) "Mechanical""K" type(Bolted-Gland Joint) are available for pipes & fittings of the range DN80~DN 2000.
Note: Standard rubber gaskets for flexible joints comply with BS 2494:1990 "D" type(drainage). ISO 4633 "WG" type.

Flange Joints
a) Dimensional details of flanges designated PN10, PN16, PN25 and PN40 are produced in accordance with EN598 /ISO2531 are dimensionally compatible with the corrensponding flanges BS4504.
b) PN16 flanges are supplied as standard for pipes and fittings of the range DN80 ~ DN2000.
PN10, PN25 and PN40 flanges are also available upon request.

Angular Deflection & Straight Draw of "Push-in" type flexible Joint (Tyton Joint)
Deflection & Straight Draw of "Push-in" type flexible Joint (Tyton Joint)
DN (Nominal Size) mmAllowable Angular DeflectionAllowable Straight Draw Without Deflection
80 ~ 300
350 ~ 600
700 ~ 800
900 ~ 1200
1400 ~ 1600
1800 ~ 2000
5
4
4
4
4
1.5
38mm
38mm
56mm
70mm
95mm
105mm