Nate Rynas

Tube fitting material selection made simple. Compare 316 stainless, brass, and carbon steel by corrosion, pressure, and cost so you buy the right fitting the first time.

Twin-ferrule vs single-ferrule tube fittings explained. Learn how each design grips and seals, where each one wins, and how to choose the right fitting for your system.

A buyer’s guide to NPT vs BSPT vs AN thread types. Learn the thread angles, how each connection seals, and how to pick the right thread so your fittings mate and hold.

Preventing leaks in instrumentation tubing systems starts with the right assembly, cuts, and inspection. Use this field guide to build tight, reliable tube fitting connections.

DK-LOK vs Swagelok: are twin-ferrule fittings interchangeable? Learn what interchangeability means, what DK-LOK’s intermix testing shows, and how to protect your warranty.

Compare compression, weld, and threaded tube connections for instrumentation systems. Learn which tube connection method fits your pressure, leak, and maintenance needs. Call Collins-Oliver for a quote.

Understand tube fitting pressure ratings and how tube OD and wall thickness set the working pressure limit. Learn to read tube data tables the right way. Call Collins-Oliver for a quote.

Learn when and why to use bulkhead tube fittings for panel-mount tube connections. Understand bulkhead fitting design, uses, and install tips. Call Collins-Oliver for a quote.

Ball valve vs needle valve vs check valve compared for instrumentation. Learn which valve controls, throttles, or protects your line so you pick right. Call Collins-Oliver for a quote.

Learn how reducing unions and reducers connect different tube sizes safely in instrumentation systems. Understand types, uses, and selection tips. Call Collins-Oliver for a quote.

TL;DR Every brand encodes material, size, configuration, and connection style into the part number. Swagelok […]

TL;DR 316L stainless covers steam service up to about 800°F at moderate pressure. Above that, […]

TL;DR VCR uses a metal gasket between two polished gland faces. VCO uses an elastomer […]

TL;DR Oil and gas tube-fitting failures cluster into four root causes: wrong material for sour […]

TL;DR The same fitting on the same tube, at the same joint, retightens reliably to […]

TL;DR Permanent compression fittings handle installed lines. Quick-connect couplings handle repeated connection cycles. If the […]

TL;DR A missing $40 fitting can park a $40 million plant. The cost of the […]

TL;DR Swagelok dominates instrumentation and process-control specifications. Parker dominates hydraulic and pneumatic distribution. Both brands […]

TL;DR Ball valves fail in five predictable ways: seat extrusion, stem leak, ball pitting, actuator […]