by mark@spectralvision.media | Jul 15, 2026
TL;DRA hose assembly pairs a flexible hose (PTFE, metal, or rubber core) with end fittings.Common ends are tube-fitting, male or female NPT, and 37-degree flare.Order factory-assembled, pressure-tested hoses rather than field-building your own.Size by hose ID, working...
by mark@spectralvision.media | Jul 15, 2026
TL;DR Hose fittings connect flexible rubber or braided hoses. Tube fittings connect rigid metal tubing. If your line bends without bending the metal, you need a hose fitting. If your line holds its own shape, you need a tube fitting. Hydraulics, fuel transfer, and...
by mark@spectralvision.media | Jul 15, 2026
TL;DRA DK-LOK part number reads: fitting-type code, tube size, thread code, then material suffix.Type codes include D (DK-LOK), U (union), L (elbow), T (tee), X (cross), MC (male connector).Material suffixes: -S is 316/316L stainless, -B is brass, -C is carbon steel,...
by mark@spectralvision.media | Jul 15, 2026
TL;DR Parker and Swagelok both make double-ferrule compression fittings. They look similar, behave similarly, and do not interchange. Parker carries deeper per-SKU stock — 52,546 stainless ferrules in our warehouse. Swagelok carries broader SKU variety — 4,443 unique...
by mark@spectralvision.media | Jul 15, 2026
TL;DR Collins-Oliver has distributed instrumentation fittings, valves, and tubing from Baton Rouge since 1986. We are an authorized DK-LOK distributor and also carry Swagelok, Parker, Hoke, Hy-Lok, and Superlok. Local stock and fast quotes serve refineries and process...
