E-Store Home / e-Store / 6990-0204B Valve Seat for BP-4340 6990-0204B Valve Seat for BP-4340Login to see prices Additional information Additional information Weight 1 oz Instrument SFC-4000 Technique SFC Related products 0507-0374 Vespel Rotor Seal for AS-2050, AS-XX50, AS-XX55, AS-XX57 and HV-2080-01Login to see prices 6570-H499A – Needle Valve Spindle for Back Pressure Regulator BP-XX80Login to see prices 0507-1305 Rotor seal, large bore for HV-2080-03Login to see prices