QUALITY ASSURANCE PLAN FOR SAFETY VALVE

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SIDESCRIPTION CHARACTERISTIC TYPE OF CHECK QUANTUM OF CHECKREFERENCE DOCUMENTS ACCEPTANCE CRITERIAMANU BDDE CLIENT
1INCOMING MATERIAL CONTROL  Surface finishing, marking (size, Heat no.)Random sampling Approved Technical Catalogue /Approved Order Specification & DrawingPR 
1.1BodyVisual Random sampling PR 
1.2Chemical Composition Chemical Analysis by XRFRandom sampling PR 
1.3DiscVisual Random sampling Approved Technical Catalogue /Approved Order Specification & DrawingPR 
1.4Chemical Composition Chemical Analysis by XRFRandom sampling PR 
1.5Trim material Round BarsVisual Size Random sampling Approved Technical Catalogue /Approved Order Specification & Drawing/As per StandardPR 
1.6Chemical Composition Chemical Analysis by XRFRandom sampling PR 
1.7Level,Nozzle, Disc, Spring,pins,fastenersVisual SizeSurface finishing Dimensional check upRandom sampling Approved Technical Catalogue /Approved Order Specification & DrawingPR 
1.8Seals (Bushes, Bearing, ‘O’ ring, seat Visual Fitness Surface finishing and damage, dimensional check upRandom sampling Approved Technical Catalogue /Approved Order Specification & DrawingPR 
2IN-PROCESS INSPECTION Machining dimensions
Measurement by Vernier Caliper after machiningRandom sampling API526-2002PR 
2.1Body, Disc, Shaft & all machined partsRandom sampling PW 
3INSPECTION & TESTING     API527-1991PW 
3.1Pressure testShell test, disc strength, seat,high pressure setting pressure by HydrostaticPressure test by Hydrostatic test pump (100 Bar to Max. 420 Bar)Random 10%    
3.2Leakage TestSeat Leakage and Lower than 100 bar setting pressure by compressed air Pneumatic test by compressed air (Max. Pressure:100 Bar)Customer’s requirement API527-1991PW 
3.3Operation Actuationopening and closing of valve100% physical ResultPW 
3.4Surface finishing Painting finishing Visual100% physical ResultPW