Keg coupler 1. Body Material: brass. 2. Probe:Brass 3. With pressure relief valve 4. Surface: nickel plated Keg coupler1. Body Material: brass.2. Probe:Brass3. With pressure relief valve 4. Surface: nickel plated.5. Type available: D, S, A, M, G, U, bespoke types are acceptable.6..Manufacturing Capacity: 300,000-600,000pcs/year.Welcome OEM order beer keg coupler/beer dispenser