Pipe Fitting Standard

Quality Assurance Plan for Lined Pipe Spools & Fittings — covering raw material, semi-finished and finished product inspection, painting, marking, and IRN clearance.

About This QAP

Our complete Quality Assurance & Control procedure for Lined Pipe Spools and Fittings — from raw material certification through welding quality inspection, spark testing at 15 KVDC, hydrostatic leak testing per ASTM F 1545, dimensional measurement, painting DFT verification, and final IRN clearance for shipment.

Quality Assurance Plan — Lined Pipe & Fitting

SR.NO	ITEMS	PARAMETER	TYPE OF CHECK	QUANTUM	REFERENCE DOC. & ACCEPTANCE NORMS	DOCUMENT RECORD	UNP SCOPE			TPIA / CUSTOMER
SR.NO	ITEMS	PARAMETER	TYPE OF CHECK	QUANTUM	REFERENCE DOC. & ACCEPTANCE NORMS	DOCUMENT RECORD	P	W	R	W	R
1. Raw Material
A	Lining Material	Intactness	Visual	100%	P.O. Specification & Product Data Sheets	Supplier MTC / COC	✗	✗	✓	✗	✓
		Grade Confirmation	Visual	100%	Product Data Sheets	Supplier MTC / COC	✗	✗	✓	✗	✓
		Physical Verification	Visual	100%	Product Data Sheets	Supplier MTC / COC	✗	✗	✓	✗	✓
B	Metallic Parts — Pipe Spool & Flange	Chemical & Mechanical Properties per approved GAD / QAP / PO Spec	Chemical & Mechanical Property	1 Sample / Size / Heat or per PO	Manufacturer / Supplier TC or NABL Lab TC	EN-10204 Type 3.1 TC	✗	✗	✓	✗	✓
2. Semi-Finished Products
2.1	Visual Inspection of Completed Pipe & Fitting	Welding Check / Welding Quality	Visual	100%	Manufacturing Drawing	UNP Inward IR	✓	✓	✓	✗	✗
	Visual Inspection of Completed Pipe & Fitting	Physical Verification	Visual	100%	Manufacturing Drawing	UNP Inward IR	✓	✓	✓	✗	✗
2.2	Antistatic PTFE / PTFE / PFA Lining	Porosity Check	Spark Test (NA for Antistatic)	100%	UNP Spark Test Procedure	Final Insp. Report	✓	✓	✓	✗	✗
		Physical Verification	Visual	100%	UNP Mfg. Drawings	Final Insp. Report	✓	✓	✓	✗	✗
		Dimensions	Measurement	100%	UNP Mfg. Drawings	UNP Inward IR	✓	✓	✓	✗	✗
3. Finished Products — Lined Pipe Spools & Fittings
3.1	Lined Pipe Spools & Fittings	Leakage Test (Shell / Body)	Hydrostatic Test	100%	UNP Hydro Test Procedure / Approved GAD / ASTM F 1545	Final Insp. Report	✓	✓	✓	✓ (10%)	✓
		Lining Intactness (NA for Antistatic)	Spark Test @15 KVDC	100%	UNP Spark Test Procedure / Approved GAD / ASTM F 1545	Final Insp. Report	✓	✓	✓	✓ (10%)	✓
		Lining Thickness	Thickness Check	100%	3.2 mm Minimum or Approved GAD	Final Insp. Report	✓	✓	✓	✓ (10%)	✓
		Dimension Measurement	Dimension Inspection	100%	Approved GAD / UNP As-Built Drawing	Final Insp. Report	✓	✓	✓	✓ (10%)	✓
		Workmanship	Visual	100%	UNP Standard	Final Insp. Report	✓	✓	✓	✓ (10%)	✓
4. Final Inspection — Painting & Marking
4.1	Lined Pipe Spools & Fittings	DFT, Final Shade, Visual	DFT & Visual Inspection	100%	UNP Painting Procedure / Customer PO Spec / Approved Drawing	IR	✓	✓	✓	✗	✗
4.2	Lined Pipe Spools & Fittings	Heat No., Size, Serial No.	Visual (Marking & Identification)	100%	Customer PO Specification / Approved Drawing	—	✓	✓	✓	✗	✗
5. IRN (Inspection Release Note)
5.1	Lined Pipe Spools & Fittings	Clearance for Shipment	—	100%	IVR & IRN	IVR / IRN or Customer Mail	—	—	—	H	H

Legend

PerformUNP Action

WitnessObserve Test

ReviewDocument Check

HoldStop & Inspect

Notes

Customer & Inspection Notes

The above 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 the following:

Physical Verification of Pipes & Fittings
Witnessing a leakage Test (Hydro Test) as per our Standard Test Procedure & pressure rating confirmed per QAP Scope
Dimension Check of final assembly of Pipe Fittings as per our standard or as-built drawings

QUALITY ASSURED

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