Rotary Joint, DPR 2100 R 51, 1112558-051, 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: right‑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 pulp industry for large-scale drying cylinders and calendar rolls, as well as in the plastics and rubber sector for temperature-controlled calender stacks and mixing mills. The design is particularly well-suited for processes requiring a rotating inner pipe configuration, such as continuous web processing lines where the internal support mechanism eliminates the need for external elbows and reduces mechanical stress on the piping system. Its robust construction and balanced seal arrangement ensure reliable fluid transfer in demanding industrial environments where thermal cycling and continuous rotation are constant operational requirements.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2231 |
| Manufacturer | Maier |
