Rotary Joint, DP 40 F 93-800, 1112303-800, Christian Maier GmbH & Co. KG
Universal equipmentPrice on request
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Description
Rotary joint for transfer of thermal oil. Series DP Standard, variant -800 for thermal oil. One‑way flow, no elbow. Nominal size DN 40. Rotor connection: fixed flange with groove and O‑ring sealing (for DN 40 and larger). Housing connection: radial G 1½ female thread. Seal combination 3 (metal impregnated synthetic carbon 19W – silicon carbide 18C). Medium: thermal oil. Temperature range –10…160 °C, pressure range 0.2…10 bar, maximum speed 55000/DN ≈1375 min⁻¹. Housing made of brass, bead‑blasted. Rotor made of stainless steel. Two ball bearings, heat‑stabilised for series -800, factory‑lubricated, maintenance‑free up to 80 °C, for higher temperatures relubrication through easily accessible grease point required. Internal balanced mechanical seal. O‑rings Viton®. Additional axial shaft seal for bearing protection. Connection to rotating pressure system via fixed flange with groove and O‑ring. Radial housing connection. ATEX certification optional. Five drain holes in housing, can be blocked with plugs in dusty environment.
Possible Applications
This rotary joint is engineered for high-precision thermal management in industrial heating and cooling circuits where thermal oil serves as the heat transfer medium. It is primarily utilized in the plastics and rubber industries for temperature control of calender rolls and extruders, ensuring consistent surface temperatures during film or sheet production. The unit is also well-suited for the paper and textile sectors, specifically for integration into drying cylinders and heated rollers where reliable fluid transfer is required under moderate pressure and rotational speeds. Its robust construction and specialized seal combination provide the necessary durability for continuous operation in demanding manufacturing environments that require stable thermal regulation of rotating machinery components.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2198 |
| Manufacturer | Maier |
