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Best couplings under the standard production system Up to standard of BS 1740, JIS B 2302, ASTM A 120, DIN 2986 at your option and any type coupling is available on your drawing.
| Steel Pipe Sockets | ||||||||||||
| Standard : BS 1740-1971 BS 21 BS 1387-1985 | ||||||||||||
| Nominal diameter in inch | 3/8" | 1/2" | 3/4" | 1" | 1.1/4" | 1.1/2" | 2" | 2.1/2" | 3" | 4" | 5" | 6" |
| Nominal diameter in mm | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
| Diameter in mm | 22 | 27 | 32.5 | 39.5 | 49 | 56 | 68 | 84 | 98 | 124 | 151 | 178 |
| Length in mm | 28 | 37 | 39 | 46 | 51 | 51 | 60 | 69 | 75 | 87 | 96 | 96 |
| American Standard | ||||||||||||
| Merchant Coupling ASTM A 120 | ||||||||||||
| Nominal diameter in inch | 1/2" | 3/4" | 1" | 1.1/4" | 1.1/2" | 2" | 2.1/2" | 3" | 3.1/2" | 4" | 5" | 6" |
| Nominal diameter in mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 90 | 100 | 125 | 150 |
| Diameter in mm | 27.0 | 33.35 | 40.03 | 48.26 | 55.88 | 69.85 | 82.55 | 101.60 | 117.48 | 127.0 | 159.92 | 187.71 |
| Length in mm | 39.68 | 41.28 | 50.79 | 52.38 | 52.38 | 54.0 | 79.38 | 82.55 | 85.73 | 88.89 | 95.25 | 101.60 |
| nternal Threading is straight tapped from 1/2" to 2" . From 2.1/2" to 6" internal treading is taper tapped. | ||||||||||||
Stainless steel pipe fittings
