Vilter Vertical Ammonia Receiver. Approximate capacity: 140 gallons. Inside straight-wall dimensions: 20 in. dia. x 8 ft. 8 in. H. MAWP: 300 psi. at 400 °F. Liquid level column with (7) 1-1/2 in. sight glasses. Sight glasses are spaced 12 in. apart. Liquid level column has (2) isolation valves. Inlets: (2) 1 in. Outlet: (1) 1 in. Overall dimensions: 2 ft. 11 in. L x 2 ft. 11 in. W x 10 ft. 7-1/2 in. H.