Rotary Joint, DPR 2100 L 51, 1112559-051, 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 G 4 (ISO 228). Housing connection: radial G 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 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 specifically engineered for high-volume thermal management in heavy-duty rotating machinery where precise temperature control of cooling or heating media is critical. It is primarily utilized in the paper and cardboard industry for drying cylinders and calender rolls, as well as in the plastics industry for temperature-controlled cooling of large-diameter extrusion rolls and film casting lines. Because the internal pipe is directly supported within the housing, it is ideal for systems requiring a compact, integrated design that eliminates the need for external elbows or complex piping configurations. The robust construction and balanced mechanical seal make it particularly well-suited for continuous-duty cycles in textile finishing machines and rubber processing equipment where reliable fluid transfer is essential to prevent thermal degradation of the product.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2235 |
| Manufacturer | Maier |
