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4" Black Iron Backnuts
Description
4" Black Iron Backnuts
These are Black Malleable Backnuts. This fitting has been manufactured from galvanised malleable iron, designed to be durable, high ductility and corrosion resistant.
Please note: When measuring be sure to minus approximately ¼” to find the BSP thread size. For example, if you measure 1”, you will need a ¾” BSP thread.
Malleable fittings are manufactured in accordance with pipe threads DIN 2999, NEN 325.
Specifications
Product Group: Black Malleable Iron
Product Type: Black Malleable Backnuts
Product Code: MI310/12
Material: Black Malleable Iron
Working Pressure: 25 bar / 320 PSI
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QUICK GUIDE TO PIPE AND THREAD SIZES |
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PIPE OD |
METRIC |
IMPERIAL |
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BSP THREADS |
MALE OD |
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12mm |
12mm |
- |
|
1/4" |
13MM |
|
16mm |
16mm |
- |
|
3/8" |
17MM |
|
17.1mm |
- |
3/8" |
|
1/2" |
21MM |
|
20mm |
20mm |
- |
|
3/4" |
26.5MM |
|
21.4mm |
- |
1/2" |
|
1" |
33.6MM |
|
25mm |
25mm |
- |
|
11/4" |
42MM |
|
26.7mm |
- |
3/4" |
|
11/2" |
48MM |
|
32mm |
32mm |
- |
|
2" |
60MM |
|
33.6mm |
1" |
|
21.2" |
75mm |
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40mm |
40mm |
- |
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3" |
88mm |
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42.2mm |
- |
11/4" |
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48.3mm |
- |
11/2" |
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50mm |
50mm |
- |
|
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60.3mm |
- |
2" |
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|
63mm |
63mm |
- |
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75mm |
75mm |
2/12" |
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88.9mm |
- |
3" |
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90mm |
90mm |
- |
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110mm |
110mm |
- |
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114.3mm |
- |
4" |
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160mm |
160m |
- |
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168.3mm |
- |
6" |
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200mm |
200m |
- |
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