Rotary Joint, DPR 275 K 01, 1112585-001, 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 75. Rotor connection: K‑flange with centring face and gasket sealing (for DN 40 and larger). Housing connection: radial NPT 2 female thread (B1) and NPT 2 (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 ≈733 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 K‑flange 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 industrial manufacturing where continuous fluid transfer to rotating spindles, drums, or rolls is required. Typical installations include heavy-duty calenders, rubber mixers, and large industrial drying cylinders operating within the specified temperature and pressure parameters. The two-way flow design with an integrated inner pipe support makes it exceptionally suited for processes demanding simultaneous supply and return of cooling or heating water without the need for external elbows. Consequently, it is heavily relied upon in polymer processing, metal casting ancillary units, and large-scale paper manufacturing equipment where thermal stability of high-speed rotating components is critical to operational integrity.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2249 |
| Manufacturer | Maier |
