Test the finished pressure boundary
Our manufacturing route can include hydrostatic and pneumatic leak testing for cast and machined pressure-boundary components. For components where porosity, sealing geometry or wall integrity matters, the test route should be defined together with machining and final cleaning. Test pressure, hold time and acceptance criteria should be agreed before production release.
This page covers the testing service and RFQ route. For inspection-plan controls, records and release evidence, see Pressure Test Inspection & Records.
Test definition
A useful test requirement identifies:
- Test medium
- Test pressure and hold time
- Acceptance criterion
- Temperature and safety constraints
- Porting, plugs and fixture responsibility
- Test stage and reporting requirement
Pneumatic-test caution
Compressed-gas testing stores substantially more energy than hydrostatic testing. Fixture design, guarding and operating procedure must match the specified pressure and component volume. Hydrostatic testing is preferred where it satisfies the engineering objective.
From defect prevention to final evidence
Pressure tightness is not created by testing alone. Casting design, gating, process control, machining depth, sealing surfaces and cleaning all contribute to the final result.
Pressure-retaining casting programs
This capability is commonly paired with valve bodies, pump housings, pressure-retaining castings and fully machined flow components. The RFQ should define the test stage and acceptance criterion so pressure testing is integrated with machining and final cleaning rather than treated as a standalone inspection step.