High pressure chemical injection quill; single and duplex

Injection quills are designed to ensure a more uniform and rapid dispersal of injection chemicals into the center stream of a process pipeline. This prevents corrosive liquids from clinging to the side of the pipe. The Duplex Injection Quill allows multiple chemicals to be inserted simultaneously. Duplex Injection Quills are primarily made from 316 Stainless Steel, but other materials are available. Pressure and temperature are dependent on the material of construction and vary from 100 °F (37 °C) to 500 °F (260 °C) at 1000 psi max.

Injection nozzle allows for proper injection into liquid, gas or mixed phase system

Nozzles can be removed for inspection without system shutdown Adjustable quill permits precise positioning of quill in fluid flow and restrains stinger

during insertion/removal

  • Available in larger sizes, up to 3” MNPT connection
  • Welded safety collar
  • Also available CPVC, Alloy 20 Hastelloy
  • Made in the USA

Wetted Parts: Type 316 stainless steel

Packing: Graphite (maximum temperature - 700 °F)


Process Connection

  • ¾” or 1” MNPT (standard)
  • Quill, ¼” pipe
  • Pressure rating: 300 psi


Chemical Inlet Connections

  • ¼” MNPT chemical inlet connection
  • ¼” FNPT chemical inlet connection

Process Connection

  • ½” or ¾” MNPT process connection


  • 316 stainless steel construction
  • Other materials available upon request

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Warren R.
time savings

Great piece of equipment. One installation two chemicals. Great quality and responsiveness