E.L. Nickell Horizontal Ammonia Receiver- 5000 Gallon. Nat’l Bd: 22847. Maximum pressure: 300 psi. Maximum design temperature: 650 °F. Minimum design temperature: -20 °F. (10) 1-1/2 in. dia. Sight glasses located on a 2-1/4 in dia. x 82 in. high oil level gauge. Inlets/outlets: (3) 6 in. dia. ports, (2) 5 in. dia. ports, (1) 2 in. dia. port, (1) 1/2 in. dia. port. Overall dimensions: 23 ft. 5 in. L x 72 in W x 10 ft. 2 in. H.