Rotary Joint, DPR 275 R 11, 1112583-011, 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 rotating inner pipe (directly borne in housing). Nominal size DN 75. Rotor connection: right‑hand male thread NPT 3 (ANSI). 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 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 heavy-duty thermal management systems in industries requiring precise temperature control of large rotating drums, cylinders, and calenders. Typical deployments include paper-making machinery, rubber vulcanizing presses, and large textile drying cans where continuous circulation of pressurized hot water or cooling water is critical. The robust stainless steel rotor and balanced mechanical seal configuration ensure reliable media transfer under continuous thermal cycling and high rotational velocities. Furthermore, the direct housing support for the rotating inner pipe eliminates external elbows, making it ideal for space-constrained installations on high-speed production lines processing web materials.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2241 |
| Manufacturer | Maier |
