Socket Weld Flanges Socket Weld 4-Bolt Flanges DMIC’s ‘FWI’ Deep Socket Weld flanges supercede the old ‘FWO’ series with a deep pipe guide that ensures square and true welded connections. Extensive stock of all sizes for rapid shipment from stock. Features Sizes from ½” through 4″ Extensive stock of “Standard” and “Companion” types Available in Stainless Steel (production lead time may apply) “Standard” model with groove includes premium Buna-N O-Ring Model Selector ‘FWISL’ – Deep Socket Weld, Standard, C.61 (3,000 PSI) ‘FWISH’ – Deep Socket Weld, Standard, C.62 (6,000 PSI) ‘FWICL’ – Deep Socket Weld, Companion, C.61 (3,000 PSI) ‘FWICH’ – Deep Socket Weld, Companion, C.62 (6,000 PSI) Download Socket Weld PDF