Welcome to Core Pipe formerly known as Gerlin, Inc.

Concentric and Eccentric Reducers

NOMINAL PIPE SIZE		OUTSIDE DIAMETER		LENGTH
LARGE END	SMALL END	LARGE END	SMALL END	H
3/4"	1/2"	1.05	0.84	1.50
1"	1/2"	1.32	0.84	2.00
1"	3/4"	1.32	1.05	2.00
1 1/4"	3/4"	1.66	1.05	2.00
1 1/4"	1"	1.66	1.32	2.00
1 1/2"	1/2" (2)	1.90	0.84	2.50
	3/4"	1.90	1.05	2.50
	1"	1.90	1.32	2.50
	1 1/4"	1.90	1.66	2.50
2"	1/2" (2)	2.38	0.84	3.00
	3/4"	2.38	1.05	3.00
	1"	2.38	1.32	3.00
	1 1/4"	2.38	1.66	3.00
	1 1/2"	2.38	1.90	3.00
2 1/2"	1" (2)	2.88	1.32	3.50
	1 1/4"	2.88	1.66	3.50
	1 1/2"	2.88	1.90	3.50
	2"	2.88	2.38	3.50
3"	1" (2)	3.50	1.32	3.50
	1 1/4"	3.50	1.66	3.50
	1 1/2"	3.50	1.90	3.50
	2"	3.50	2.38	3.50
	2 1/2"	3.50	2.88	3.50
4"	1 1/2" (2)	4.50	1.90	4.00
	2"	4.50	2.38	4.00
	2 1/2"	4.50	2.88	4.00
	3"	4.50	3.50	4.00
5"	3" (2)	5.56	3.50	5.00
5"	4" (2)	5.56	4.50	5.00
6"	2" (1) (2)	6.62	2.38	5.50
	2 1/2" (2)	6.62	2.88	5.50
	3"	6.62	3.50	5.50
	4"	6.62	4.50	5.50
	5" (2)	6.62	5.56	5.50
8"	4" (3)	8.62	4.50	6.00
	5" (3)	8.62	5.56	6.00
	6"	8.62	6.62	6.00
10"	4" (1)	10.75	4.50	7.00
	6"	10.75	6.62	7.00
	8" (3)	10.75	8.62	7.00
12"	6" (1) (2)	12.75	6.62	8.00
	8" (1)	12.75	8.62	8.00
	10" (3)	12.75	10.75	8.00

(1) CONE TYPE
(2) CONCENTRIC ONLY
(3) CONE TYPE ECCENTRIC

CERTAIN REDUCERS WILL BE MANUFACTURED FROM THICKER STARTING MATERIAL IN ORDER TO ACHIEVE A UNIFORM CONTOUR.

ALL SUCH FITTINGS WILL HAVE THE TRANSITION FROM END TO THROAT TAPERED AT AN ANGLE NOT EXCEEDING 6 DEGREES.