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GP Series 12-passage rotary unions |
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The GP Series 12-passage rotary union shafts feature both radial & face connections for maximum mounting flexibility. All GP Series rotary unions housings feature staggered connection ports to minimize overall length. |
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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)
This model can be combined with a slip ring.
Click here for the options available
Download files CAD via the Engineering resource center
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Operating Parameters :
Max. Pressure : 510 bar Max. Vacuum : 1 bar Max. Rotational Speed : up to 850 t/mn Max. Temperature : 170 °C
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.
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| Part# | PDF | A | B | C | D | E | F | G | H | I | J | K | L | M | thru-bore | slip ring |
| 201-12 |  | 112,70 | 66,47 | 213,64 | 19,13 | 339,80 | 1/4 npt | 93,65 | 82,55 | 1/4-20 | 5/16-18 | 101,60 | 34,93 | 50,80 | 19,05 | * |
| 301-12 |  | 125,40 | 72,36 | 240,16 | 22,23 | 390,47 | 3/8 npt | 100 | 82,55 | 1/4-20 | 5/16-18 | 114.30 | 38,10 | 60,33 | 19,05 | * |
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| * These units are available with integrated electrical slip rings. Please see page Options for more information. |
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