Pipe Fittting Standard

QUALITY ASSURANCE PLAN FOR LINED PIPE & FITTING

SR.NO ITEMS PARAMETER TYPE OF CHECK QUANTUM OF CHECK REFERENCE DOC.
& ACCEPTANCE NORMS
DOCUMENT OF RECORD UNP SCOPE TPIA OR CUSTOMER SCOPE
(P) (W) (R) (W) (R)
1 RAW MATERIAL
A) LINING MATERIAL
Intactness Visual 100% P.O. Specification & Product Data sheets Supplier MTC or COC
Grade confirmation
Physical verification
B) Metallic Parts PIPE SPOOL & FLANGE. Chemical & Mechanical Properties per approved GAD / QAP / PO Specification Chemical & Mechanical Property 1 Sample / Size / Heat or as per PO Specification Manufacturer / Supplier TC or NABL Lab. TC EN-10204 -TYPE - 3.1 TC
2 SEMI FINISHED PRODUCTS
I)VISUAL INSPECTION OF COMPLETED PIPE & FITTING
Welding Check/Welding quality. Visual 100% Manufacturing drawing. UNP Inward IR
Physical verification
II) ANTI.STATIC PTFE/PTFE/PFA LINING
Porosity Check Spark Test(NA for Anti.Static Material) 100% UNP Spark Test Procedure Final Insp. Report
Physical verification Visual
Dimensions Measurement 100% UNP Mfg. Drawings UNP Inward IR
3 FINISHED PRODUCTS
LINED PIPE SPOOLS & FITTINGS.
Leakage Test (Shell or Body Test) Hydrostatic Test 100% UNP Hydro Test Procedure or Approved GAD or Testing Standard- ASTM F 1545 Final Insp. Report
(10%)
Lining Intactness (NA for Anti.Static Material) Spark Test 100% UNP Spark Test Procedure or Approved GAD or @15 KVDC or Testing Standard- ASTM F 1545 Final Insp. Report
(10%)
Lining thickness Thickness Check 100% 3.2 MM Minimum or As per Approved GAD
(10%)
Dimension Measurement Dimension Inspection 100% As per Approved GAD or As per UNP Assly. As Built Drawing Final Insp. Report
(10%)
Workmanship Visual 100%
(10%)
4 FINAL INSPECTION
4.1 PAINTING
4.1 LINED PIPE SPOOLS & FITTINGS. DFT Final Shade,Visual DFT Final Shade,Visual 100% UNP Painting Procedure or Customer PO specification/As per Approved Drawing/As per Approved Data Sheet IR
4.2 MARKING & IDENTIFICATION
4.2 LINED PIPE SPOOLS & FITTINGS. Heat no,size, & sr no. Visual 100% As per Customer PO Specification or Approved Drawing -
5 IRN
LINED PIPE SPOOLS & FITTINGS. Clearance for Shipment - 100% IVR & IRN IVR/IRN OR Customer Mail - - - H H
  • The above said QAP is our internal procedure of Quality Assurance & Control.
  • We provide our Final Inspection Report & MTC or COC to Customers.
  • Based on Inspection Report we allow our customer to Check following :
  • 1. Physical Verification of Pipes & fittings
  • 2. Witnessing a leakage Test i.e Hydro Test as per our Standard Test Procedure & pressure rating confirmed per QAP Scope
  • 3. Dimension Check of final assly. of Pipe Fittings as per our standard or as built drawings.

LEGENDS

P : PERFORM

W : WITNESS

R : REVIEW

H : HOLD