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Technical Basics - Testing

Internal Surface Finish:

  • 100% visual inspection

  • Profilometer inspection as per specification

Weld Seam Testing:

  • 100% visual inspection

  • 100% boroscope inspection of all weld seams not directly visible with the eye or as per specification

  • 100% pressure testing

Diaphragm Valve Seal Test:

  • Test according to DIN EN 12266-1

  • 100% valve assemblies seal tested

Complete Valve Assembly Inspection:

  • 100% according to checklist

Non-Destructive Testing:
(on demand or internal specification requirements)

  • Delta Ferrite

  • Porosity testing by liquid penetration

  • X-ray

Verification Certificates according to Specification DIN EN 10204:

  • 3.1 Analysis of the material traceability by heat number (U.S. Certified Mill Test Report-MTR). This also applies to all ASME BPE compliant material used in fabrications.

  • 2.2 Confirmation of conformance by documentation of results

  • 2.1 Confirmation of conformance with the specification

 SED Flow Control Valves

Boroscope inspection of the interior
surface and weld seams of valves
for aseptic applications.


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