Malleable iron union (Ball-to-cone / ball-to-ball joint) is a detachable fitting with both female threaded connections. It consists of a tail or male part, a head or female part, and a union nut, with ball-to-cone joint or ball-to-ball joint.
Available size (Class 150)
Size | A (mm) | Joint type | Ref. No. |
---|---|---|---|
1/4″ / DN8 / 13.7mm | 36.5 | Ball-to-cone / ball-to-ball | M6301 (UL) |
3/8″ / DN10 / 17.1mm | 41.0 | Ball-to-cone / ball-to-ball | M6302 (UL) |
1/2″ / DN15 / 21.3mm | 43.5 | Ball-to-cone / ball-to-ball | M6303 (UL/FM) |
3/4″ / DN20 / 26.7mm | 49.5 | Ball-to-cone / ball-to-ball | M6304 (UL/FM) |
1″ / DN25 / 33.4mm | 52.5 | Ball-to-cone / ball-to-ball | M6305 (UL/FM) |
1-1/4″ / DN32 / 42.2mm | 57.5 | Ball-to-cone / ball-to-ball | M6306 (UL/FM) |
1-1/2″ / DN40 / 48.3mm | 61.0 | Ball-to-cone / ball-to-ball | M6307 (UL/FM) |
2″ / DN50 / 60.3mm | 70.0 | Ball-to-cone / ball-to-ball | M6308 (UL/FM) |
2-1/2″ / DN65 / 73mm | 82.0 | Ball-to-cone / ball-to-ball | M6309 (UL/FM) |
3″ / DN80 / 88.9mm | 89.0 | Ball-to-cone / ball-to-ball | M6310 (UL/FM) |
4″ / DN100 / 114.3mm | 98.0 | Ball-to-cone / ball-to-ball | M6311 (FM) |
Available size (Class 300)
Size | A (mm) | Joint type | Ref. No. |
---|---|---|---|
1/8″ / DN6 / 10.3mm | 32.0 | Ball-to-cone / ball-to-ball | M6351 (ISO) |
1/4″ / DN8 / 13.7mm | 39.5 | Ball-to-cone / ball-to-ball | M6352 (ISO) |
3/8″ / DN10 / 17.1mm | 43.5 | Ball-to-cone / ball-to-ball | M6353 (ISO) |
1/2″ / DN15 / 21.3mm | 46.0 | Ball-to-cone / ball-to-ball | M6354 (ISO) |
3/4″ / DN20 / 26.7mm | 54.0 | Ball-to-cone / ball-to-ball | M6355 (ISO) |
1″ / DN25 / 33.4mm | 58.5 | Ball-to-cone / ball-to-ball | M6356 (ISO) |
1-1/4″ / DN32 / 42.2mm | 67.5 | Ball-to-cone / ball-to-ball | M6357 (ISO) |
1-1/2″ / DN40 / 48.3mm | 72.5 | Ball-to-cone / ball-to-ball | M6358 (ISO) |
2″ / DN50 / 60.3mm | 82.0 | Ball-to-cone / ball-to-ball | M6359 (ISO) |
2-1/2″ / DN65 / 73mm | 84.5 | Ball-to-cone / ball-to-ball | M6360 (ISO) |
3″ / DN80 / 88.9mm | 104.0 | Ball-to-cone / ball-to-ball | M6361 (ISO) |
4″ / DN100 / 114.3mm | 113.5 | Ball-to-cone / ball-to-ball | M6362 (ISO) |
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