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10th Sep 2015, 08:36 AM #1Senior Member
- Join Date
- May 2011
- Location
- Salem Ohio
- Age
- 65
- Posts
- 219
Threading close pipe nipples with a hand threader and block type threading dies.
I have had a Craftsman AKA Reed Mfg hand pipe threading set for about 18 years. Bought if from a guy going out of his plumbing business. The ratchet handle houses a 4"x4" square threading die and an alignment collar to keep the threads straight. It works great doing my gas line and boiler lines around my house. I moved lots of pipe over the years. But it is hard making nipples under 4" because the length is too short to hold it in the vise and with the alignment collar there isn't enough room to start the threads. I have fudged this and that and have had good results but its time consuming. So I dreamed up this piece of pipe that was threaded and a 3,000 lb coupling was screwed on. The 3,000 lb couplings are the thick steel ones not the cheap cast ones from the hardware store. Then I chucked up the small pipe with coupling and turned the coupling down to fit the next size pipe. Hence a 1/2" thread will now use a 3/4" alignment collar when making the short nipples. The one end for the short nipple is threaded like normal, cut off the desired length and turned into the 3,000 lb coupling and pipe that is now in the pipe vise. Then the ratchet is started threading until its done (lots of good sulfur threading oil here). Then the die is removed and the now short nipple is turned out of the coupling. Ready for the next one. Sounds like a long process but it isn't and the results are good...Bob
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10th Sep 2015, 11:36 AM #2Philomath in training
- Join Date
- Oct 2011
- Location
- Norwood-ish, Adelaide
- Age
- 59
- Posts
- 6,541
Neat solution. That die head if it has a 4" die in it must be pretty big. What does it weigh?
Michael
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10th Sep 2015, 11:42 AM #3Senior Member
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- May 2011
- Location
- Salem Ohio
- Age
- 65
- Posts
- 219
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10th Sep 2015, 04:27 PM #4Most Valued Member
- Join Date
- Sep 2011
- Location
- Ballarat
- Age
- 65
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- 3,103
Nice bit of lateral thinking there Bob, I may have to steal that idea.
Phil
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10th Sep 2015, 08:18 PM #5Most Valued Member
- Join Date
- May 2011
- Location
- Murray Bridge S Aust.
- Age
- 71
- Posts
- 5,942
Now that's really thinking outside the square
Kryn
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11th Sep 2015, 07:22 AM #6Senior Member
- Join Date
- May 2011
- Location
- Salem Ohio
- Age
- 65
- Posts
- 219
I made up 2 more adaptors today. For 3/4" and 1" pipe nipples...Bob
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