Rotary Joint, DP 265 R 51, 1112404-051, 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 G 2½ (ISO 228). Housing connection: radial G 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 G/BSP (ISO 228) or 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 continuous processing lines, specifically within paper-making machines, rubber calenders, and large plastic extrusion cylinders where robust fluid transfer is critical. It facilitates the reliable circulation of high-temperature water or cooling media into rotating drying drums and chill rolls without leaking under operational pressure shifts. The balanced mechanical seal arrangement and dedicated stationary inner pipe support ensure smooth media transition in equipment operating at elevated rotational speeds and thermal loads. Consequently, it is heavily relied upon in textile dyeing cylinders and metal sheet processing units where precise drum temperature control directly dictates final product quality.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2204 |
| Manufacturer | Maier |
