Catalogue - Product Catalog - Dynamic Sealing Technologies - (Version JPG)

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Fitting, Rotary union, Swivel joint, Slip ring

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We Don't Just Provide Rotary Unions... We Provide Solutions

2-Passage (GP Series) General Purpose Rotary Union

The GP Series 2-passage rotary unions are commonly used to connect supply & return lines to rotating equipment. They are suitable for water, hydraulic, pneumatic and other medias. Many GP Series products are also available as RotaRing™ rotary union/slip ring assemblies.


Part#	L.^AJ	B	1 ^C	^D	^E	F	^G		I	J	^K		M I	thru-bore	slip ring
120	1.625	.625	1.829	0.549	3.347	1/8npt	2.437	1.875	10-24	.203	2.250	2.000	.812	-	-
121	2.187	.750	2.033	0.549	3.637	1/8npt	2.937	2.375	1/4-20	.281	2.750	2.500	1.312	.500	V
220	2.000	.750	2.262	0.828	4.374	1/4npt	2.937	2.500	1/4-20	.281	2.687	2.500	1.000	-	-
221	2.750	.812	2.504	0.828	4.773	1/4npt	3.750	3.250	5/16-18	.343	3.437	3.250	1.750	.750	V
320	2.375	.750	2.362	0.950	4.706	3/8npt	3.187	2.750	1/4-20	.281	2.937	2.750	1.187	-	-
321	3.000	.812	2.645	1.030	5.312	3/8npt	4.187	3.625	5/16-18	.343	3.875	3.500	1.875	.750	V
420	2.750	.875	2.706	1.106	5.392	1/2npt	3.875	3.250	5/16-18	.343	3.500	3.188	1.437	-	-
421	3.625	1.250	3.207	1.186	6.220	1/2npt	4.937	4.125	5/16-18	.343	4.625	4.125	2.250	.750	V

V These units are available with integrated electrical slip rings, please see page 11 for more information.

Operating Parameters_

Max. Pressure: 7500 psi

Max. Vacuum: 30 Hg

Max. Rotational Speed: up to 850 RPM

Max. Temperature: 350 F

*Operating Parameter information should only be used as a general guideline. Please contact DSTI to discuss your specific application.

toll free: 866.700.DSTI (3784) • fax: 763.786.9674 • e-mail: info@dynamicsealing.com • www.dynamicsealing.com

Product Catalog - Dynamic Sealing Technologies - #5

Fitting, Rotary union, Swivel joint, Slip ring