Rotary Joint, DP 265 R 11, 1112404-011, 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: 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 thermal management circuits in heavy-duty industrial machinery requiring continuous fluid transfer between stationary supply lines and rotating components. It is deployed in large calenders, plastic extrusion lines, and industrial drying cylinders where cooling water or hot water must be reliably fed into high-speed rotating rolls to maintain strict process temperature control. The balanced mechanical seal design and high rotational speed capability make it particularly suitable for papermaking equipment and rubber processing mills that operate under demanding continuous-duty cycles. Furthermore, the stainless steel rotor construction and specialized seal combination withstand aggressive thermal expansion and water-glycol media commonly utilized in modern metal casting and heavy industrial heat exchanger setups.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2216 |
| Manufacturer | Maier |
