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 QR-type rotary joint use of imported mechanical seal with silicon carbide rings combined. Silicone rubber seal with Japanese aid. 300 ℃ high temperature capability for the domestic hot oil equipment to solve the leakage problem. Double bearing support, hard to find the balance point to solve installation problems. And direct maintenance on the device without dismantling the whole. Speed ??up to 5000 rpm. Pressure 60 MPa. Details Come: http://www.qb0595.com