Rotary Joint, DP 40 R 53-800, 1112300-800, 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: right‑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 in high-speed rotating machinery where precise temperature control is critical. It is commonly integrated into calendar rolls, heated mixing vessels, and industrial drying cylinders used in the plastics and textile manufacturing sectors. The unit excels in processes requiring consistent heat transfer to rotating surfaces while maintaining a leak-free seal under moderate pressure. Its robust construction and specialized seal combination make it ideal for demanding thermal oil applications in rubber processing equipment and laminating machines where reliable performance at elevated temperatures is essential for product quality.
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Specifications
| Category | Universal equipment |
| Product ID | 8211111697-2187 |
| Manufacturer | Maier |
