Description
Description
Galvanised Malleable Iron Pipe Fittings
Specifications:
STANDARD AND IDENTIFICATION:
Standard for production and use EN 10242: 1994
Fittings made of high-quality blackheart malleable cast iron to ASTM A-197, ASTM A47
THREADS:
The threads are cut according to AS 1722.1 / ISO 7/1. Parallel internal thread (RP) and tapered external thread (R).
APPLICATION:
All the fittings are adequate for the supply of water at the recommended maximum working pressure of 1379kPa and gas, steam, and compressed air at the recommended maximum working pressure of 1034 kPa.
Note: Working pressures may also be limited by relevant pressure piping codes or Industry regulations.
DIMENSIONS:
All the fittings are manufactured to the specications of standard BS EN 10242, BS 143, BS 1256
INSPECTION:
All the fittings are inspected for conformity with the specications of standard EN 10242.
MARKING:
All the fittings, when possible, are marked with a brand and/or with the nominal size Identication.
HOT DIP:
The fittings are delivered in hot-dip galvanized nish, as prescribed by the standard EN 10242.
LEAK TEST:
Applying the standard EN 10242 each individual tting is subjected to a pressure test with a min.
The hydrostatic pressure of 2068 kPa, which is equivalent to a pneumatic pressure of min. 500 kPa, without showing any sign of leakage or abnormality.
BRITISH STANDARD THREADS
All measurements in mm
NOMINAL BORE OF PIPE APPROX. OUTSIDE DIAMETER NUMBER OF THREADS PER INCH PITCH DEPTH OF THREADS DIAMETER AT GAUGE PLANE LENGTH OF USEFUL THREAD
IMPERIAL METRIC A P h B E
1/8 6 10.16 28 0.907 0.581 9.72 6.5
1/4 8 13.66 19 1.337 0.856 13.15 9.7
3/8 10 17.17 19 1.337 0.856 16.66 10.1
1/2 15 21.51 14 1.814 1.162 20.95 13.2
3/4 20 27 14 1.814 1.162 26.44 14.5
1 25 33.93 11 2.309 1.479 33.24 16.8
1-1/4 32 42.59 11 2.309 1.479 41.91 19.1
1-1/2 40 48.48 11 2.309 1.479 47.8 19.1
2 50 60.47 11 2.309 1.479 59.61 23.4
2/1/2 65 76.09 11 2.309 1.479 75.18 26.7
3 80 88.87 11 2.309 1.479 87.88 29.8
4 100 114.14 11 2.309 1.479 113.03 35.8
5 125 139.65 11 2.309 1.479 138.43 40.1
6 150 165.12 11 2.309 1.479 163.83 40.1
