Retrievable Chemical Injection Quill + DBB Valve

The retrievable chemical injection quill and DBB valve are integrated into a compact injection package for controlled chemical dosing in oil & gas, offshore, refining and chemical service. The DBB arrangement provides double isolation and bleed capability, while the retrievable injection probe allows convenient inspection, maintenance and replacement. A dedicated retrieval tool can be supplied to assist probe retrieval and installation in accordance with the approved project procedure and applicable safety requirements.

1. Integrated double block and bleed arrangement for reliable isolation and compact installation

2. Retrievable injection probe for convenient inspection, maintenance and replacement

3. Manual operation; dedicated retrieval tool available as an option

4. Side-injection, forward-injection and multi-port tip configurations available

5. Insertion length, nozzle size and connection type can be customized to the project datasheet

6. Optional check valve, filter, sample/bleed port and pressure gauge connection

7. Available in 316, Inconel 625, F51, F55 and other corrosion-resistant material combinations

Product range

Nominal size:1/2” to 2” (DN15 to DN50)
Pressure rating:CL150 to 10,000 psi
Connections:Flanged, threaded, welded or project-specific
Materials:316 / Inconel 625 / F51 / F55, etc.
Operation:Manual; optional dedicated retrieval tool
Injection tip:Side, forward or multi-port configuration
Typical media:Corrosion inhibitor, methanol, MEG, hydrate inhibitor and other chemicals
Applications:Offshore platforms, onshore oil & gas facilities, refineries and chemical plants