Conduit Bender
A look at what is currently available on eBay
 Gardner 1/2" Thin Wall Conduit Bender With Level No. 930 US $8.99 
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 Ideal Bender # 74-002 with hand for 3/4" EMT or 1/2" rigid conduit Used US $19.99
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 Enerpac Conduit Bender US $375.00
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 Gardner Bender Lightweight 1" Conduit Bender #942 US $25.00
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 BENFIELD 1/2" CONDUIT BENDER MODEL 1472 US $9.99
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 BENFIELD 3/4" CONDUIT BENDER MODEL 2 US $9.99
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 (3) RIDGID HEAVY WALL CONDUIT BENDERS US $30.00
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 NEW Klein # 51202 3/4" EMT & 1/2" Ridgid Conduit Bender & Klein Handle # 50473 US $39.99
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 PVC Conduit / Pipe Bender US $15.00
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How can I find"gain" value on bending conduit without measuring,?
I don't have a bender or measuring tape. I have a 90 deg. 20" stub up.
I'm looking for a formula to find gain values but for this question let's say I'm using 1/2 in. EMT. Thank you for your help.
P = pipe size.
D = number of degrees to bend
Pipe length = the length of the pipe in the bend
5 standard multiplier
Pipe length = P x 5 x dia of wheel (maybe 2" on 1/2" pipe) x π x D/360
so you have
pl=.5 x 5 x 2 x 3.14 x 90/360
good luck
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June 27th, 2007 in
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