McMaster 5360K72 Interlocking Clamp Hose Adapter for Steam for 3 4" Hose ID, 1 5 16" Maximum Hose OD, 3 4 NPT Female 5381N067 Resistance Properties Abrasion Resistant Resistance Properties Abrasion Resistant Injectable and Biodegradable For Use With Steam Shape Straight Type Adapter Connection Style Barbed Male × Threaded Female Barbed Male Connection Type Interlocking Clamp Barb Style Standard Number of Barbs Multiple For Hose ID 3 4" For Hose OD Range 1 5 32" to 1 5 16" Pipe Size 3 4 Thread Type NPT Material Zinc Plated Steel Clamp Material Zinc Plated Steel Wing Nut Material Zinc Plated Iron Hex Bushing Material Zinc Plated Steel Gasket Material Polymer Plastic Maximum Pressure 250 psi @ 72° F Maximum Vacuum 28 in Stop the flow of steam before you disconnect the hose line