DLOK Environmental Quality Engineering
Needle Valves

Needle Valves

  • DLOK Needle & Gauge Valves are available in both Metal seat and Soft seat.
  • Needle & Gauge valves can be used as Block & Bleed valves with vent.
  • Available in SS 316, Duplex, Monel & Hastelloy Materials bar stock construction.
  • Variety of end connections: Male & Female NPT, BSPP, BSPT, ISO tapered pipe ends & DLOK tube fittings.
  • Maximum working pressure up to 10,000 psig (690 bar).
  • Size ranging from 1/8″ to 1″.
  • PTFE standard gland packing, Alternate Graphoil packing for high temperature. Max. temperature up to 538°C (1000°F).
  • Non-Rotating Vee-tip / Ball tip provides repetitive & leak-tight shut-off.
  • NACE certification available upon request.
  • Heat code traceability.
Enquiry Catalogue

Products

Screwed Bonnet Needle Valves

Hard Seat Needle Valve (Male x Female) Hard Seat Needle Valve (Male x Female)
Hard Seat Needle Valve (Female x Female) Hard Seat Needle Valve (Female x Female)
Hard Seat Block & Bleed Valve (Male x Female) Hard Seat Block & Bleed Valve (Male x Female)
Hard Seat Block & Bleed Valve (Female x Female) Hard Seat Block & Bleed Valve (Female x Female)
Soft Seat Needle Valve (Male x Female) Soft Seat Needle Valve (Male x Female)
Soft Seat Needle Valve (Female x Female) Soft Seat Needle Valve (Female x Female)
Soft Seat Block & Bleed Valve (Male x Female) Soft Seat Block & Bleed Valve (Male x Female)
Soft Seat Block & Blled Valve (Female x Female) Soft Seat Block & Blled Valve (Female x Female)

Integrated Bonnet Needle Valves

Needle Valve (Male x Female) Needle Valve (Male x Female)
Needle Valve (Female x Female) Needle Valve (Female x Female)
Needle Valve (ODT x ODT) Needle Valve (ODT x ODT)

Hex Body Needle Valves

Hard Seat Needle Valve (Male x Female) Hard Seat Needle Valve (Male x Female)
Hard Seat Needle Valve (Female x Female) Hard Seat Needle Valve (Female x Female)
Hard Seat Block & Bleed Valve (Male x Female) Hard Seat Block & Bleed Valve (Male x Female)
Hard Seat Block & Bleed Valve (Female x Female) Hard Seat Block & Bleed Valve (Female x Female)
Soft Seat Needle Valve (Male x Female) Soft Seat Needle Valve (Male x Female)
Soft Seat Needle Valve (Female x Female) Soft Seat Needle Valve (Female x Female)
Soft Seat Block & Bleed Valve (Male x Female) Soft Seat Block & Bleed Valve (Male x Female)
Soft Seat Block & Bleed Valve (Female x Female) Soft Seat Block & Bleed Valve (Female x Female)

Gauge Root Needle Valves

Gauge Root Needle Valve (Male x Male) Gauge Root Needle Valve (Male x Male)
Gauge Root Needle Valve (Female x Male) Gauge Root Needle Valve (Female x Male)