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Thunder Cylinders & Pressure Systems

Cylinder design,
approvals & tests.

During production, all cylinders are subject to hardness, ultrasonic, hydraulic, leak, dimensional, marking and surface-finish checks.

The design of Thunder cylinders uses specified calculation formulae together with finite element linear analysis. Production testing and design controls are applied to support safe pressure service.

Design · approvals · production tests Design · approvals · production tests
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Product information

Capability and
application.

481

Production tests

01

The production route includes checks that confirm the cylinder meets the agreed design and application requirements.

  • Hardness test
  • Ultrasonic inspection
  • Hydraulic proof and volumetric expansion tests
  • Leak test on spun cylinders

Design and approval

02

Critical dimensions, threads, marking and specified internal and external surface finish are checked. Flawed cylinders may be subjected to burst testing as required.

  • Finite element analysis
  • Critical dimensions and threads
  • Marking and surface finish
  • Burst testing where specified