Rotary Joint, DPR 275 K 91, 1112585-091, 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: K‑flange with centring face and gasket sealing (for DN 40 and larger). 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 K‑flange 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 heavy-duty thermal management systems in industries such as rubber processing, plastics manufacturing, and metal casting, where continuous fluid transfer to high-speed rotating cylinders or calender rolls is required. It is ideally suited for large-scale industrial drying cylinders and heat exchangers processing cooling or hot water, managing the rigorous demands of continuous production lines. The balanced mechanical seal design and direct-borne rotating inner pipe make it exceptionally reliable for high-speed machinery operating under elevated thermal loads, effectively preventing fluid leakage during rapid cyclic temperature shifts.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2237 |
| Manufacturer | Maier |
