Imperial. Metric equivalents 6 mm – 50 mm. The full small-bore process-tubing range.
Stainless across the entire range. Certificates of conformity available on every order.
Front ferrule seals the tube wall first, back ferrule mechanically grips second. Independent functions; no compromise either way.
Hy-Lok's catalogue is large; we stock the parts our customers order most. Anything outside the standard stock list is sourced directly from Korea on request.
The core Hy-Lok range. Unions, elbows, tees, crosses, reducers, bulkheads, port connectors, weld fittings – all in 316L, all on the same two-ferrule mechanism.
Small-bore valves for instrumentation lines, sample take-offs, manifold inlets, and isolation duty. 316L bodies as standard, with FKM and PTFE seats covering most chemical-compatibility cases.
Close-coupled to differential pressure transmitters. Replace tens of fittings, valves, and tube runs with a single machined block – fewer leak paths, faster install, easier maintenance.
The accessories that make the difference between a finished install and a half-finished one. Often urgently needed; we keep the awkward sizes on the shelf.
The standard workflow we run for every Fluid Control quote, from a one-line phone request to a 200-line skid bill of materials.
Send the drawing, the spec sheet, or just the tube OD plus pressure and the thread connection. We'll work the rest out.
If the drawing names a different marque, we will match it to the Hy-Lok equivalent – including any thread, ferrule, or pressure-rating differences worth flagging.
Common sizes go same-day from Sandton. Special configurations source directly from Hy-Lok Korea – typical 2-3 week lead time.
Hy-Lok instrumentation works everywhere small-bore fluid integrity matters. These are the four South African environments where the spec gets specified most carefully.
Compressed-air instrumentation manifolds, dust-tolerant fittings, and tube runs that survive vibration. 316L is non-negotiable on shaft installations.
Sample take-off, transmitter manifolds, isolation services. Where leak paths cost more than fittings, two-ferrule designs earn their place.
High-purity tube fittings, double-block-and-bleed arrangements, pressure-rated to spec. Traceability matters; certificates come standard.
Low-flow, high-purity sample lines. Small fittings urgently required, in sizes worth keeping on the shelf.
Send it through. We'll come back with the Hy-Lok part numbers, stock status, and any specifying gotchas worth flagging.
