Flexible joint
ZRJ-T
Twin type rubber joint
- Pump
- Water tank/cooling tower
- Cold and hot water generator (cold and hot water)
- Air conditioning piping
- Water supply piping
- Rainwater piping
- Utility water piping
- Please refer to “Product Drawings” and “Product Specifications” for detailed information such as materials of each part.
- Please refer to the “Installation Instructions” for installation procedures.
Applications and Features
Purpose
- Vibration absorption
Specification
- -20℃~70℃
- 1.0MPa
- The maximum working pressure is the value at normal temperature.
- JIS10K
※Standard product is SS400 （hot-dip galvanized）,SUS flanges are also available.
Features
- The main body is made of elastic rubber material, which provides excellent vibration absorption, excellent absorption of eccentricity, angular misalignment, and expansion/contraction.
- Both fittings are loose flange type.
- Changes in material, specifications, etc. are available upon request.
Note
- Cold and hot water generators can become hot during heating operation. Therefore, it cannot be used at the entrance/exit of the “cooling water piping” of cold & hot water generators. Please use A･V･JOINT or Z-3000.
- It is not applicable to use for hot-water supply line. A・V・JOINT, Z-3000, ZRJ-BT are recommendable for that application.
- It is not applicable to use for circulation pool water with chemical sterilozation. ZTF-5000, ZRJ-BT are recommendable for that application.
- It is not applicable to use for corrosive liquids （chemicals, etc.）. ZTF-5000, ZRJ-BT are recommendable for that application.
- Under high ozone concentration circumstance, outside surface of rubber joint might happen ozone crack. We recommend not rubber joint but stainless joint for such a case.
- When tightening the bolts, please tighten them evenly on the diagonal lines and avoid over-tightening or one-sided tightening.
- The service life of rubber fittings may be reduced depending on the conditions of use. For details, please refer to the precautions in the catalog.
