Rotary Joint, DP 275 K 01, 1112581-001, 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: K‑flange with centring face and gasket sealing (for DN 40 and larger). 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 K‑flange 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 thermal management systems in heavy industrial machinery requiring continuous fluid transfer between stationary supply lines and rotating components. It is commonly deployed in paper manufacturing calenders, rubber and plastics calendering lines, and large industrial drying cylinders where high-volume cooling water or pressurized hot water is fed into rotating rolls. The nominal size and balanced mechanical seal configuration make it particularly suitable for processes operating at elevated rotational speeds and temperatures up to 140 degrees Celsius. Furthermore, the robust lacquered steel and stainless steel construction withstands demanding continuous-duty cycles found in metallurgical processing equipment and large-scale thermal press applications.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2225 |
| Manufacturer | Maier |
