Rotary Joint, DPR 265 L 51, 1112409-051, 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 rotating inner pipe (directly borne in housing). Nominal size DN 65. Rotor connection: left‑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 industrial manufacturing, specifically integrated into calendar rolls, large drying cylinders, and heavy-duty industrial presses. It enables the seamless transfer of pressurized cooling or hot water into rapidly rotating assemblies while maintaining a reliable leak-free boundary. The configuration featuring a rotating inner pipe directly supported in the housing makes it exceptionally well-suited for high-speed continuous processing machinery in the paper, rubber, and plastics industries where precise temperature control of rotating drums is critical to product quality.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2232 |
| Manufacturer | Maier |
