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Commercial and Industrial Torsion Springs

Find My Commercial Spring

ID	Wire Size	Length (inches)	Spring Ends
1 19/32 1 3/4 1 13/16 2 2 3/16 2 1/4 2 7/16 2 1/2 2 5/8 2 3/4 2 25/32 3 3 1/8 3 1/4 3 3/8 3 1/2 3 3/4 3 25/32 4 4 1/8 4 3/8 4 1/2 4 7/8 5 1/8 5 1/4 5 1/2 5 3/4 5 7/8 6 6 1/2 7 5/8 7 3/4 8 1/2	0.1875 0.1920 0.2070 0.2187 0.2253 0.2343 0.2437 0.2500 0.2625 0.2730 0.2830 0.2890 0.2950 0.3065 0.3125 0.3195 0.3310 0.3437 0.3625 0.3750 0.3938 0.4062 0.4218 0.4305 0.4375 0.4531 0.4615 0.4687 0.4900 0.5000 0.5312 0.5625 0.6250		Standard Ends Overhead Ends Wagner Ends Ends In Crawford: T Ends Crawford: Long Ends Barcol Ends Open Loop

Note: Most commercial torsion springs are not returnable.Be sure to measure your springs properly before ordering!

Types of Spring Ends

Standard spring ends

Ends up for Overhead Door brand doors using 2" ID springs.

For use with Wagner brand doors with 2-1/2" ID springs.

Ends In for some doors with 2-5/8", and for most doors with 3-3/4" and larger inside diameter springs.

Crawford T ends for Crawford brand doors using 3-25/32" ID springs.

Crawford: Long Ends for Crawford brand doors using 1-19/32" and 2-25/32" ID springs.

Barcol ends for Barcol brand doors using 1-13/16" ID springs.

Gapped vs. Ungapped

PLEASE NOTE: Gapped springs are currently unavailable.

When pushing the ends of a spring toward each other, a gapped spring allows the spring to compress. A spring that is not gapped does not compress.

How to Test for Gapped Springs: To check if your current spring is gapped, see if a piece of paper will slide down between two coils. If there is enough space for the paper to slide between coils without manually separating the coils, your spring is gapped. If your are wrinkling the paper to make it fit, your spring is not gapped.

Are gapped springs better? No, they are neither better nor worse. Some torsion spring systems require that the springs be gapped in order to provide adequate space for the spring to grow as it winds up.

Your Torsion Spring

	Part #	Wind	Wire	Length	Ends	Spring Weight	IPPT	Price w/ Cones*	Price No Cones
	CSP-175-234-55-00LS	Left	0.2343	55"	Standard Ends	17.86 lbs	19.03	$94.74	$87.32	Buy
	CSP-175-234-55-00RS	Right	0.2343	55"	Standard Ends	17.86 lbs	19.03	$94.74	$87.32	Buy

* Depending on the style of the cone, the spring end you receive when ordering a spring with cones may be different than what you selected above.

The IPPT listed is for a single spring without any cones. Springs sacrifice a small portion of the total coils in order to secure to the cones. Cones requiring five unused coils, for example, would increase the IPPT for each spring to 19.44.

The IPPT is the Inch-Pound per Turn of the spring, or the torque applied to the shaft by the spring for each turn added to the spring. The lift of the spring can be determined by multiplying the IPPT by the number of turns, and dividing it by the distance from the center of the shaft to the center of the cable at the point where the cable peels off of the cable drum.

While it is often possible to upgrade commercial and industrial doors to higher cycle life springs by increasing the wire size and finding the spring length that matches the old spring's IPPT, size limitations can render a higher cycle life spring unusable for your door. If you are interested in purchasing higher cycle life springs, please contact us so we can assist you in determining what options exist for your system.