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GP Series 6-passage rotary unions |
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The GP Series 6-passage union designs are available with a number of options that allow easy integration into many types of equipment. All GP Series products feature both female tapped & o-ring face seal shaft connections for increased mounting flexibility. |
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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 | N | thru-bore | slip ring |
| 161 |  | 60,33 | 22,23 | 61,93 | 13,94 | 164,67 | 1/8 npt | 80,95 | 66,68 | 1/4-20 | 7,14 | 76,20 | 69,85 | 39,67 | 3,18 | 15,88 | * |
| 261 |  | 73,03 | 25,40 | 70,41 | 17,50 | 207,65 | 1/4 npt | 101,60 | 85,73 | 5/16-18 | 8,71 | 92,08 | 85,73 | 47,63 | 3,18 | 19,05 | * |
| 361 |  | 82,55 | 25,40 | 71,96 | 20,60 | 227,66 | 3/8 npt | 107,95 | 92,08 | 5/16-18 | 8,71 | 100 | 93,65 | 53,98 | 3,18 | 19,05 | * |
| 460 |  | 96,82 | 31,75 | 185,27 | 24,56 | 261,80 | 1/2 npt | 125,40 | 104,78 | 5/16-18 | 8,71 | 117,48 | 111,13 | 61,90 | 4,75 | - | * |
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| * These units are available with integrated electrical slip rings. Please see page Options for more information. |
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