Rotary Joint, DP 275 R 51, 1112579-051, 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 75. Rotor connection: right‑hand male thread G 3 (ISO 228). Housing connection: radial G 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 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 processing lines, specifically where rotating drums, cylinders, or rolls require continuous circulation of heating or cooling media. Typical deployment includes rubber calenders, paper manufacturing machinery, and plastic extrusion units that process continuous webs or sheets requiring precise temperature control. The balanced mechanical seal arrangement and dedicated support for a non-rotating inner pipe allow it to handle demanding thermal cycles and high rotational speeds without premature seal degradation. Consequently, it maintains reliable fluid transfer in operations involving continuous thermal transfer, preventing fluid leakage and downtime in heavy manufacturing environments.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2205 |
| Manufacturer | Maier |
