... special order),refrigeration, instrumentation and hydraulic systems. BST fittings generally connect a hose assembly to a port or ... fittings4.Straight thread, pipe, flange and barb fittings5.Sanitary, steam and internally expanded fittings6.Swivel, Universal fittings7 ... Hydraulic hose permanent and reusable fittings11.Brass tubing connectors/fittings,also iron alloy,aluminum,etc.,12.Pneumatic/ Hydraulic ...