Pipeline Insertion Probes
EnPro PFI Fixed Injection Quill
Pipeline Insertion Probes
EnPro PFI Fixed Injection Quill
The PFI Fixed Injection Quill is designed to introduce product into a flowing pipeline stream. It can be sandwich-mounted between two flanges, supplied with a threaded pipeline, or fitted with a dual-flanged connection. The probe length is fixed for reliable placement.
Why it matters
Provides a safe and compliant method of chemical injection, reducing the risk of uneven dosing and ensuring long-term reliability in demanding pipeline environments.

Product features
- Meets EEMUA publication 138 and IEC/TR 61831 standards
- Optional design to PTC 19.3 TW 2016
- Pipeline connection options: ½”, ¾”, 1” flanged or NPT
- Shaft sizes to meet industry standards
- Multiple material options: 316SS, 2205, 2507, A105N, and more
Need help specifying the right pipeline insertion probes?
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