Rotary Joint, DPR 2100 L 11, 1112559-011, 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 100. Rotor connection: left‑hand male thread NPT 4 (ANSI). Housing connection: radial NPT 2½ female thread (B1) and NPT 2½ (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 =550 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 specifically engineered for heavy-duty thermal management in large-scale industrial processing machinery, such as calendar rolls, cooling drums, and drying cylinders found in paper mills and textile finishing lines. Its robust design, featuring a directly borne rotating inner pipe, is ideal for high-volume cooling water or hot water circulation required to maintain precise surface temperatures during continuous web production. The unit excels in applications where high-speed rotation and thermal expansion must be managed simultaneously, providing a reliable fluid transfer interface for systems that demand consistent heat transfer performance under moderate pressure. By utilizing a balanced mechanical seal configuration, it effectively minimizes wear during the intensive duty cycles typical of plastic film extrusion lines and metal foil processing equipment.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2247 |
| Manufacturer | Maier |
