Rotary Joint, DPR 265 R 11, 1112408-011, 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 rotating inner pipe (directly borne in housing). Nominal size DN 65. Rotor connection: right‑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 heavy-duty thermal fluid transfer in demanding continuous-production environments such as large calendar rolls, paper manufacturing machines, and heavy rubber processing extruders. Its two-way flow design with a directly supported rotating inner pipe makes it exceptionally well-suited for systems requiring simultaneous supply and return of cooling or hot water within high-speed rotating drums. The balanced mechanical seal configuration and robust stainless steel rotor handle the thermal shock and mechanical stress inherent in high-output industrial drying cylinders and textile processing lines. By accommodating rapid rotational speeds while maintaining fluid integrity under pressure, the unit ensures reliable temperature control for large-scale heat transfer applications without fluid leakage or premature wear.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2240 |
| Manufacturer | Maier |
