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GP Series 8-passage rotary unions |
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The GP Series 8-passage rotating union was designed to transfer (8) independent lines to rotating equipment. When supplied with one of the many available electrical slip ring options, the RotaRing™ assembly offers equipment designers an off-the-shelf solution for many automation requirements. |
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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 |
| 180 |  | 66,68 | 22,23 | 58,93 | 13,94 | 190,20 | 1/8
npt | 87,30 | 76,20 | 1/4-20 | 7,14 | 82,55 | 76,20 | 46,02 | 3,18 | - | * |
| 280 | | 79,38 | 25,40 | 70,41 | 17,50 | 244,07 | 1/4
npt | 107,95 | 92,08 | 5/16-18 | 8,71 | 100 | 92,08 | 53,98 | 3,18 | - | * |
| 380 | | 92,08 | 31,75 | 77,90 | 26,16 | 277,65 | 3/8
npt | 125,40 | 109,52 | 5/16-18 | 8,71 | 117,45 | 106,35 | 63,50 | 4,75 | - | * |
| 480 | | 107,95 | 31,75 | 83,49 | 24,56 | 316,23 | 1/2
npt | 142,88 | 127 | 5/16-18 | 8,71 | 133,35 | 120,65 | 73,03 | 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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