Dynamic Sealing Technologies Inc. - Rotating Unions Dynamic Sealing Techologies Inc. Dynamic Sealing Technologies
13941 Lincoln Street NE
Minneapolis, MN 55304
PH: 763.786.3758
FAX: 763.786.9674
TOLL-FREE: 866.700.DSTI (3784)
GP Series Product Options

A number of options are available for the GP Series products. These allow the user to customize the standard products for their specific application.

RotaRing™ union/electrical slip ring assemblies:

The GP Series unions are available with a number of slip ring options for power, signal and data transfer. The RotaRing™ assembly is available with an aluminum cover to protect the slip ring during use in demanding environments.

GP Series Product Options

Part numbers as shown above*
sample
configuration
union slip ring pin connection -
male pin @ cap end
female pin @ shaft end
201-12-ES18-PMF 201-12 -ES18 -PMF
* union as shown includes optional cordsets

The standard options for the GP Series products are listed below. Other modifications may be available, please contact DSTI to discuss your specific application requirements.

Standard Passage Sizes: 1/8”, 1/4”, 3/8”, 1/2” Other sizes available upon request
Connections Threads: NPT threads standard. SAE, BSPP, NPTF, and other thread options are available.
Plating and Coatings: Black oxide plating is standard. Anodized, E-Nickel, Chrome, QPQ, Ceramic and other specialty platings are available.
Materials: Carbon steel is the standard material for the GP Series. Stainless steel Aluminum, Brass, and other materials are available on a custom basis.
Mounting Options: The GP series unions have a unique shaft configuration that consists of individual female tapped passages with an o-ring gland around each for optional flange mounting. There are also tapped holes on the end of the housing for mounting the assembly.
Slip Ring Cover: Aluminum bolt on cover protects slip ring assembly. (add -C to part # to specify this option)

Available Slip Ring Configurations

Slip ring part#
(add to end of
union P/N)
-ES6A -ES12A -ES12 -ES18 -ES24 -ES36 -ES56 -ESM312 -ESM36
# of Circuits 6 12 12 18 24 36 56 15 9
Max. Amps
Per Circuit
2 2 2 2 2 2 2 (3x) 5A
(12x) 2A
(3x) 10A
(6x) 2A
Max. Volts
Per Circuit
120 120 210 210 210 210 210 210 210
Lead Wire
Length
24” 24” 43” 48” 48” 36” 36” 36” 36”

Configurations cont'd

Slip ring part#
(add to end of
union P/N)
-ESM428 -ESM420 -ESM448 -ESM440 -EST6 -EST12 -EST18 -EST24
# of Circuits 32 24 52 44 6 12 18 24
Max. Amps
Per Circuit
(4x) 5A
(28x) 2A
(4x) 10A
(20x) 2A
(4x) 5A
(48x) 2A
(4x) 10A
(40x) 2A
10 10 10 10
Max. Volts
Per Circuit
210 210 210 210 210 600 600 600
Lead Wire
Length
36” 36” 36” 36” 24” 24” 24” 24”
* Certain GP Series products may not be available with all slip ring options listed. Please contact DSTI to discuss your specific electrical slip ring requirements.
Wire Gauge Conversion Chart

Amp Rating
Wire Gauge
2 26
5 20
10 16