BIS 6B37: 3/8 inch M. St. 2/4 directional valve, N: service ports 3/8 inch NPT
A3: Pilot pressure range 60 to 150 psi, Pilot connection: 1/8 inch BSPP female (standard), 10K: M.W.P. (Valve) 10,000 psi Liquid
Viton seals: -10°C to +100°C, The two pilot ports are common and must
be operated simultaneously, Interflow exists on changeover.