Rotary Joint, DP 40 L 53-800, 1112301-800, 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: left‑hand male thread G 1½ (ISO 228). 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 standardized connection piece with sealing and centring face. 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 specifically engineered for thermal oil circulation systems within industrial heating and cooling circuits where precise temperature control is required. It is frequently integrated into calendar rolls, heated mixing vessels, and industrial dryers used in the plastics and textile manufacturing sectors to facilitate the transfer of heat transfer fluids into rotating components. The robust stainless steel rotor and specialized seal combination make it particularly suitable for high-speed machinery such as film extrusion lines or paper processing equipment where reliable fluid transmission is essential for maintaining consistent surface temperatures. Its design ensures operational stability in demanding thermal processes, effectively managing the expansion and contraction cycles inherent in heavy-duty rotating pressure systems.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2194 |
| Manufacturer | Maier |
