Operating temperature range: -50 to 180°C (compliant with gasket operating temperature range) Certified products: Camlock couplers other than 634-B and 634-BL Fluid used: Water, oil, air, powder, etc. Operating temperature range (℃): -10 to 100 (compliant with standard gasket NBR) Adjustable side mounting size (inch): 1-1/4 Certified: Camlock耦合器634-B,634-BL