Valve Quality & Documentation

Quality Starts With the Purchase Requirement

A valve cannot be evaluated only by product name. The project datasheet, governing standard, material specification, testing scope, inspection level and documentation requirements must be reviewed together.

Typical Project Documentation

The final document list depends on the purchase order. Common requirements can include material certificates, pressure-test reports, NDE reports, dimensional inspection, coating records, drawings, nameplate information and packing/shipping documents.

This page does not claim that every document or test automatically applies to every product. The order specification controls the required scope.

Buyer Checklist

• Applicable design and test standard
• Valve size and pressure class
• Pressure-containing and trim materials
• Seat, packing and sealing requirements
• Required NDE / PMI / impact testing / hardness checks
• Hydrostatic, pneumatic or special leakage testing
• Painting / coating system
• Inspection hold or witness points
• Final manufacturing record book requirements