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Thread: Caliper for ID and OD of pipe
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07-22-2006, 12:42 PM #1
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My instructor has a caliper for measuring the inner and outer diameter of pipe. I've looked all over and can't find one. Do any of you have any links?
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07-22-2006, 01:15 PM #2
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Check with dan holohan at the heating help forum. He has something like that in his catalog.
I have my own little world. But it's OK...they know me here.
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07-22-2006, 01:17 PM #3
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07-22-2006, 01:40 PM #4
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General part # 729.
call URI, they will have or can get.
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07-22-2006, 03:28 PM #5
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Why would anyone need a caliper to measure pipe? Especially an instructor.
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07-22-2006, 07:43 PM #6
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your local supply house should have one....or a local hardware store...possibly sears or an auto parts store....
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07-23-2006, 06:38 AM #7
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Right,Originally posted by hvacmd2002
Why would anyone need a caliper to measure pipe? Especially an instructor.
EYE ( or I ) is a Great Instrument ...
Calibrate it and use it.
Recalibrate as necessary.
Designer Dan
It's Not Rocket Science, But It is SCIENCE with "Some Art".
Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities
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07-23-2006, 10:08 AM #8
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I am still getting a feel for this stuff. I would rather take the time to pull out a caliper and have the exact size than to make a mistake.Originally posted by hvacmd2002
Why would anyone need a caliper to measure pipe? Especially an instructor.
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07-23-2006, 10:46 PM #9
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You might be the person looking for an x SCH 40 pipe clamp and find that "they" don't make one, BUT a y tubing clamp is really an x pipe clamp. Confusing.. yes. I'll agree.
Did you really find that metric adjustable wrench you were looking for? <G>.
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07-23-2006, 11:20 PM #10
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Not the greatest way, but a cresent wrench works mighty good in a pinch..(well, one with the wrench size on the side with a neat little arrow that points to the size).
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07-24-2006, 07:11 AM #11
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3/8" is easy
5/16" isn't.
All I do is use a crescent wrench around the outside of the pipe. I twist it a bit to make sure the pipe is round and then I measure the opening of the wrench to see the measurement.
Usually, the Mark 1 eyeball is perfect, but there are times I need additional verification.
BTW, the 'rocket' tool Dan Holohan sells is for iron pipe, I think.
http://www.heatinghelp.com/shopcart/...?category=5-43
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07-24-2006, 09:24 AM #12
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inexpensive calipers at harbor freight, Sears, auto parts stores, WWGrainger, McMasterCar, ___
Understand that the distributor clerks will probably not know the actual measurements!
When you have looked at 200pc of pipe & tubing, you will know by visual inspection a pipe's size.
steel pipe comes in tubing thickness [like elec conduit & fire sprinkler thinwall {Sch30 ?)], Sch40, Sch80, Extra Heavy wall, etc__harvest rainwater,make SHADE,R75/50/30= roof/wall/floor, use HVAC mastic,caulk all wall seams!
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