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Air or Water Rotary Union
- The bodies of air and water rotary unions are made of highly durable aluminum alloy, medium carbon steel rotors, and high-quality bearings to provide the best result.
- An air or water rotary union is one-way passage. Please follow the dimensional drawing to connect the air inlet or water inlet.
- Forbid to use any lubricant or cooling fluid.
- The max operating pressure for air rotary union is 10kgf/cm2, and for water rotary union is 30kgf/cm2.
- The suitable rotational speed is below 900min-1. The rotational speed between 1000 to 2000 min-1, is only available for air rotary unions.
| Model | Inner Thread | Outer Thread | Outer Thread Direction | A(mm) | B(mm) | C | D | N.W.(g) |
| RU-02 | PT1/4 |
Left-Hand Thread
或
Right-Hand Thread
|
86 | 62 | Ø40 | Ø7 | 247 | |
| RU-03 | PT3/8 | 86 | 62 | Ø40 | Ø9 | 247 | ||
| RU-04 | PT1/2 | 104 | 76 | Ø50 | Ø12 | 500 | ||
| RU-06 | PT3/4 | 120 | 86 | Ø60 | Ø16 | 774 | ||
| RU-10 | PT1 | 136 | 98 | Ø70 | Ø20 | 1200 | ||
| RU-12 | PT 1-1/4 | 161 | 115 | Ø85 | Ø28 | 2042 | ||
| RU-15 | PT 1-1/2 | 172 | 125 | Ø93 | Ø32 | 2588 | ||
◆ Order Code
| Model | Outer Thread Direction | Medium | Rotational Speed | Special Request | ||||
| RU-02 | R | A | N | ※ | ||||
| RU-03 | L | Left-Hand Thread | A | Air | N | Below 900min-1 | S | Designated Specification or Brand of Bearing |
| RU-04 | R | Right-Hand Thread | W | Water | H | 1000~2000 min-1 | ||
| RU-06 | ||||||||
| RU-10 | ||||||||
| RU-12 | ||||||||
| RU-15 | ||||||||