Rotary Joint, DP 265 L 11, 1112405-011, Christian Maier GmbH & Co. KG
Universal equipmentPrice on request
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Description
Rotary joint for cooling water and hot water. Large Series DP 65-100. Two‑way flow, designed for non‑rotating inner pipe. Nominal size DN 65. Rotor connection: left‑hand male thread NPT 2½ (ANSI). Housing connection: radial NPT 1½ female thread (B1) and NPT 1½ (B2). Seal combination 1 (synthetic carbon 19K – chrome steel 18E). Medium: cooling water, hot water. Temperature range –10…140 °C, pressure range 0.2…10 bar, maximum speed 55000/DN ≈846 min⁻¹. Housing made of lacquered steel. Rotor made of stainless steel. Two ball bearings, factory‑lubricated, maintenance‑free up to 80 °C, for higher temperatures relubrication through easily accessible grease point required. Internal balanced mechanical seal, springs outside medium flow. Inner pipe supported in housing, no elbow required. Connection to rotating pressure system via standardized connection piece with sealing and centring face. Radial and axial housing connections with right‑hand female thread NPT (ANSI). Anti‑rotation device. ATEX certification optional. Set of drain plugs fits Large Series.
Possible Applications
This rotary joint is engineered for thermal management systems in heavy-duty rotating machinery where precise fluid transfer of heating or cooling media is required. Typical applications include high-speed calendering lines in the rubber and plastics processing industry, large drying cylinders in paper manufacturing, and temperature-controlled rolls in textile finishing equipment. Because the unit accommodates both cooling water and hot water up to 140 degrees Celsius while maintaining a balanced mechanical seal, it reliably prevents thermal shock and fluid leakage under continuous rotational stress. The robust steel housing and stainless steel rotor construction withstand the demanding duty cycles typical of continuous web-processing operations and heavy industrial manufacturing environments.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2220 |
| Manufacturer | Maier |
