Reliance Engineering & Electricals Corporation supplies Five Valve Manifolds with Port Centerline Distance. Reliance Engineering & Electricals Corporation is an ISO 9001:2000 registered company. Five Valve Manifolds with Port Centerline Distance are available in 2 isolate / block valves with 2 equalizing valves and 1 vent or bleed valves and 2 isolate / block valves with 2 equalizing valves and 2 vent or bleed valves configurations. Five Valve Manifolds with Port Centerline Distance is supplied as unplugged standard with ¬" FNPT bleed port. Centerline remains standard at 2.125" for process and instrument side connections. These manifolds are also used in high temperature applications.