Self-Operated Regulators (As per Specification) (FOB/C & F/FOR Basis) 4 ANSI Class 125 Flanged FF, Capacity 100,000 to 200,000 SCFH at 15 Psig Inlet & 8 Psig Outlet, Qty=50 Nos. 6 ANSI Class 250 Flanged RF, Capacity at 100 Psig Inlet 460,000 to 1,75