Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721C-250-000-B - 721C250000B Drag Cups The standard also specifies surface

The standard also specifies surface finish and inspection requirements for welds in direct product contact service

Part is now - 9SS31874-9

Lincoln OEM BARREL & KNOB SHAFT ASBLY S15930 - 9SS15930

Lincoln OEM LEAD L2500-95 - 9SL2500-95

MK Products Collet 5003 Flush 65

Harris Two Stage Ultra High Purity Brass Barstock Regulator Model 721C-250-000-B - 721C250000B Drag Cups The standard also specifies surfaceHarris Two Stage Ultra High Purity Brass Barstock Regulator Model 721C 250 000 B 721C250000B Features 1 11 16" 316L Stainless Steel diaphragm eliminates contamination from diffusion or outgassing One piece encapsulated seat design with 10 micron sintered internal filter to protect the PTFE Teflon seat from particulate contamination External relief valve is standard Brass Barstock body, bonnet and fittings 2 dual scale Brass Barstock gauges (psi bar)