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mark® No-Hub Cast Iron Drainage system comprises cast iron pipes, fittings, couplings and other accessories.
mark® No-Hub Cast Iron Drainage system is for above ground applications. The quality of material and method of manufacture have been found satisfactory.
mark® No-Hub Cast Iron Drainage system is complied with the ISO 6594 Standard and EN877 European Standard.
All pipes used in this system are manufactured using the centrifugal casting process.
The pipes are spun cast without sockets and supplied in 3M lengths. The couplings consist of an EPDM gasket and a stainless steel collar, which is tightened by stainless steel bolts.
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Nominal Diameter (mm) |
Outside Diameter (mm) |
Pipes |
Fittings |
Nominal Wall Thickness (mm) |
Minimum Wall Thickness (mm) |
Weight Per 3M Length (kg) |
Nominal Wall Thickness (mm) |
Minimum Wall Thickness (mm) |
40 |
47-50 |
3.5 |
3.0 |
10.5 |
3.5 |
3.0 |
50 |
57-60 |
3.5 |
3.0 |
13.1 |
3.5 |
3.0 |
75 |
82-85 |
3.5 |
3.0 |
18.9 |
3.5 |
3.0 |
100 |
109-122 |
3.5 |
3.0 |
25.2 |
3.5 |
3.0 |
150 |
158-162 |
4.0 |
3.5 |
42.8 |
4.0 |
3.5 |
200 |
208-212 |
4.5 |
4.0 |
70.1 |
4.5 |
4.0 |
250 |
271.5-276.5 |
5.5 |
4.5 |
100.6 |
5.5 |
4.5 |
300 |
323.5-328.5 |
6.0 |
5.0 |
129.7 |
8.0 |
6.5 |
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mark® pipes are coated externally with red anti-rust paint and internally with ochre colour tar free epoxy coating. The fittings are coated internally and externally with red tar free epoxy coating.
Characteristics of mark® pipework system:-
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Adequate resistance to temperature change. |
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Adequate resistance to waste water. |
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Adequate resistance quantities of chemicals. |
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Adequate resistance to the forms of loading and protected with impacts. |
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There are components which help to protect the pipework system against fire. |
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Cast iron provides naturally silent waste water systems, comparing other pipe materials with the same wall thickness. |
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Long life expectancy. |
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The system can be removed easily and replaced. |
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| PRODUCT DESCRIPTION |
PIPES |
FITTINGS |
COUPLINGS |
Grey cast iron |
AISI 304 or AISI 316 shells with AISI 304 or AISI 316 bolts |
Overall length 1=3000mm |
Length of all fittings are complied in the catalogue tables |
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Range : 40, 50, 75, 100, 150, 200, 250, 300mm |
Range : 40, 50, 75, 100, 150, 200, 250, 300mm |
Inside : Tar free epoxy coating average 120µm-150µm
250µm-300µm upon request |
Inside : Tar free epoxy coating average 120µm-150µm
250µm-300µm upon request |
EPDM sealing gasket |
Outside : Anti rust red primer average 70µm |
Outside : Tar free epoxy coating, average 120µm-150µm |
Marking: Manufacturer mark, standard, nominal diameter,
period of manufacture, identification of the production site |
Temperature up to 90°C |
EPDM watertight joint
up to 130°C |
Permissible accidental internal pressure 4 bars |
Permissible accidental water pressure for tightness: 5 bars |
Resistant to salt spary, resistant to waste water,
Chemical resistant pH 2 to 12 |
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Angular deviation must not exceed 3° and this arrangement should not be used to replace a bend, otherwise it could cause leakage. |
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Pipes must be adequately supported by brackets every connection and at a maximum spacing of 2 metres. The maximum distance allowed between support bracket and coupling is 750mm. |
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When inserting a junction or length of pipe into an existing pipeline, the pipe ends should be cut square. Check the cut end of pipe for sharp edges that might damage the elastomer seal in the coupling. |
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It is recommended that the cut edges are coated with epoxy coating or anti-corrosive paint. |
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mark® COUPLINGS:
mark® stainless steel coupling for using in above ground application has a collar of stainless steel to EN10088 and has a joint sleeve of EPDM elastomer to EN681 (ISO 4633).
The couplings could be made in different combinations of collar and bolts in materials of AISI 304 or AISI 316.
mark® couplings are come with electrical continuity clip, which allows electrical continuity between two cast iron pipes.
The properties of EPDM sealing gasket is for water tightness at an internal pressure of 0.5 bar effects of thermal cycling ease of jointing. The max. pressures in a restrained situation is 5.0 bar. |
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