UK Distributors for DK-Lok Products

DK-Lok is a manufacturer of high quality:

  • Instrumentation tube fittings
  • Pipe fittings
  • Quick connectors
  • Weld fittings
  • Ball valves
  • Needle valves
  • Check valves
  • Relief valves
  • Gauge root valves
  • Filters
  • Manifolds
  • Toggle valves

Materials include stainless steel, carbon steel, brass, Teflon, Hastelloy-C, Inconel, Monel and many others.

ISO 9001 and ASME certified systems. Type approvals by ASME, DNV, ABS, Germanischer Lloyd, Lloyds Register and ABSA.


DK-Lok Valves

  • Ball Valves
  • Needle Valves
  • Check Valves
  • Relief, Excess Flow, Bleed & Purge Valves
  • Manifolds, gauge root valves, filters
  • Quick connectors

DK-Lok Fittings

  • Twin ferrule compression
  • OD 1/16" to 2", OD 2mm to 38mm
  • SS316, Brass, Carbon Steel, Titanium, Hastelloy, Alloy 825, 625, 900, 20
  • Reusable
  • Excellent Leak-Free Sealing System in heavy vibration, high thermal stresses and high impulse.

DK-Lok Instrumentation Pipe and Weld Fittings

  • Pipe Thread 1/8"-2"
  • Tube Socket Welding 1/8"-2"
  • NPT, BSPT (ISO 7/1), BSPP(ISO 228/1)
  • Wrench flat body design allowing standard hex. wrench assembly
  • Attractive finishes to suit precision equipment
  • Service at greater pressure than the traditional ASME B16.11 Class 3000 pipe fittings
  • Available in stainless steel, brass and carbon steel

Bolt-tensioning Power Packs

Air-driven Hydro-test Power Packs

Bespoke Pressure Equipment

Gas Boosters

HiP Valves

SC Pumps

DK Lok

Accessories and Chart Recorders

Pressure Testing Facility

On-site service & support


On-site Service & Support