This article addresses diverter manifolds used downstream of a production-test separator. Selection must be based on the actual process position, rated working pressure, line size, end connection, fluid phase, material/seal requirements and required inspection documents—not on the catalogue name alone.
The diverter manifold is mainly used for oil, gas, and water diversion and transfer in production well testing. It is usually installed downstream of the separator in the well-test process and controls the diverted flow of oil, gas, and water after choking and separation, directing separated liquids or gas to metering tanks, storage tanks, tank trucks, or other specified equipment according to operating requirements.
The displayed model table lists 750 psi and 1,000 psi configurations with 3 in and 4 in connections; any 2,000 psi or other configuration must be verified against the approved drawing and test records. API Spec 16C compliance is not claimed for this downstream test-separator service.
In field layouts, the first question is where the component sits in the pressure path and what equipment it must connect to. The answer affects connection direction, pressure class, access for operation and future maintenance.
Key points to confirm
For Diverter Manifold, we normally recommend confirming the following items before quotation, production or replacement.
- Applicable project specification, process-design basis and approved manufacturer drawing; do not default to API Spec 16C for this downstream service.
- Working pressure, test pressure, nominal size and bore requirement.
- End connection type, mating equipment, flow direction and installation space.
- Service condition: standard, low-temperature or sour service; for sour service, provide the environmental limits needed for NACE MR0175/ISO 15156 material selection.
- Required documents such as MTC, pressure test report, NDT report and third-party inspection.
Field use and inspection
Diverter Manifold should be checked as part of the complete high-pressure system. Sealing surfaces must be protected, connections should be clean before make-up, and the product should not be forced into alignment by side load, hammering or pulling. If leakage, abnormal operation or pressure-test instability occurs, the model, pressure, medium, photos and test conditions should be recorded for technical review.
Information for quotation
For new projects, please provide the line layout, operating pressure, medium, temperature, connection standard and document requirements. For replacement work, old-part photos, nameplate or body markings, end-connection close-ups and installation position help us confirm the correct Diverter Manifold quickly.