NTKNTK VALVEFOCUSED ON BALL VALVES
QUALITY THROUGH THE PROCESS

Quality through every stage.

Connect material, process, assembly and test requirements with documented records.

Valve inspection
REQUIREMENTS. CHECKS. RECORDS.

From a requirement.
To a documented result.

NTK applies quality control across incoming materials, machining, assembly, testing and final delivery, linking each stage through inspection records and quality documentation.

01 / INCOMING INSPECTION

Incoming inspection

Start with the incoming material.

Check material and purchased-component identification, specification, supplier and inspection results, linking receipt records to production.

Supporting record: Incoming inspection report
02 / PROCESS INSPECTION

Process inspection

Build checks into the process.

Relate drawings, dimensions, surfaces and process requirements; record deviations and arrange disposition.

Supporting record: Process checks and applicable welding records
03 / ASSEMBLY INSPECTION

Assembly inspection

From component fit to valve operation.

Check configuration, assembly condition and operation, using the assembly record as an input to testing.

Supporting record: Assembly record
04 / PRESSURE & SEALING

Pressure & sealing

Document the test results.

Apply the agreed test scope, medium, pressure, duration and acceptance criteria for the relevant valve type.

Supporting record: Valve performance test record
05 / NONCONFORMITY CONTROL

Nonconformity control

Identify, resolve and verify.

Record the nonconformity, obtain the required disposition and retain reinspection results after rework or repair.

Supporting record: Nonconformity review report
06 / FINAL RELEASE

Final release

Review the product and its records.

Review test results, identification, protection and packing, and prepare the agreed conformity and quality records.

Supporting record: Final inspection and product quality documents
DOCUMENTS WITH YOUR DELIVERY

More than the finished valve.

Agree the document scope in the technical specification for the product and project.

01

Material records & traceability

02

Product data sheets

03

Connection & outline drawings

04

Pressure & seat test records

05

Final inspection & conformity records

06

Applicable certificates & project documents