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Fixed NPT Injection Quill
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WOG-331 / Chemical injection accessories

Fixed NPT Injection Quill

Inject corrosion inhibitor, scavenger or process chemicals into a flowing stream.

Injection connection1/4-1 in NPT (DN 8-25 nominal)
Insertion length2-12 in (50.8-304.8 mm), by pipe geometry
Wetted material316L stainless; alloy upgrades by fluid
Process connectionFixed NPT mounting; verify insertion depth and root-valve arrangement

Industry reference selections; ordered specification requires supplier confirmation.

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View catalogue page 77 ↗

Material & construction

Injection tube places a chemical stream inside the process line; optional tip/check function.

Options & acceptance

Tip orientation, check valve, insertion length and corrosion allowance. Fixed designs are not live-retractable.

Application & RFQ details

Match chemical compatibility, pump delivery at back pressure and suction conditions. A process back-pressure valve is not a certified pressure-vessel safety valve.

Standards & documents

ASME B31.3 piping review; flange to B16.5 or NPT to B1.20.1 as applicable.

Packing

Separated cartons on pallets; protect threads and seal faces. Consolidate compatible sizes by purchase schedule.

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