Rotary Joint, DPR 265 L 11, 1112409-011, 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 65. Rotor connection: left‑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 heavy-duty thermal management systems in industries such as rubber processing, plastics manufacturing, and metal casting, where continuous circulation of cooling or hot water is critical. It is typically mounted on large calendering rolls, extrusion drums, and high-speed industrial dryers that require a reliable fluid transfer interface with a rotating inner pipe. The balanced mechanical seal design and robust steel construction handle demanding rotational speeds and thermal cycles without leakage, ensuring uninterrupted operation during continuous manufacturing shifts. Furthermore, its direct-mount configuration and integrated bearing support make it well-suited for heavy industrial machinery where space constraints preclude the use of external support elbows or complex piping alignments.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2244 |
| Manufacturer | Maier |
