Needle & Regulator Valves

A valve is a device that regulates, directs or controls the flow of a fluid by
opening, closing, or partially obstructing various passageways.

Valves are technically valves fittings, but are usually discussed as a separate category.

URG1 Series

Ultra High Purity Regulators


  • Pressure
    – Inlet: 600psig, 3,500 psig (41/241 bar)
    – Outlet: 0~30 psig, 0~60 psig, 0~150 psig, 0~250 psig
  • Material: SS316L, SS316L VAR, HASTELLOY C-22
  • DCR, TBW Type 1/4″ Size
  • BA, EP Grade

Brief Description

  • All Internal surfaces are finished with 10Ra or 5Ra to ensure minimal particle generation & moisture contribution.
  • DK-Lok’s own electropolished.
  • Entrapment metal to metal seal provide enhanced leak tight integrity
  • Excellent stability of set pressure with accuracy, sensitivity.
  • Hastelloy C-22 diaphragm material.
  • PCTFE / PI seat material with remarkable chemical & thermal resistance.