QUALITY ASSURANCE PLAN
Plastic Valve Standard
Quality Assurance Plan for Solid Plastic Valves — covering polymer raw material, finished product hydrostatic testing, and final document/marking verification.
About This QAP
Our complete Quality Assurance & Control procedure for solid Thermoplastic Valves (PP / PPH / PVDF / ISO.PP) — from polymer grade verification and stem chemical analysis through hydrostatic body and seat leak testing, dimensional inspection, and final document and marking verification before dispatch.
Quality Assurance Plan — Plastic Valves
| SR.NO | ITEMS | PARAMETER | TYPE OF CHECK | QUANTUM | REFERENCE DOC. & ACCEPTANCE NORMS | FORMAT / RECORD | UNP SCOPE | TPIA / CUSTOMER | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| P | W | R | W | R | |||||||
| 1. Raw Material — (A) Non-Metallic Parts, (B) Metallic Parts | |||||||||||
| A | Polymer (PP / PPH / PVDF / ISO.PP) | 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 | Stem (Major Parts) | Chemical (per approved GAD / QAP / PO Spec) — Major Elements | Chemical Analysis | 1 Sample / Size / Heat or per PO | Manufacturer / Supplier TC or NABL Lab TC | TC | ✗ | ✗ | ✓ | ✗ | ✓ |
| 2. Finished Products — Plastic Valves | |||||||||||
| 2.1 | Plastic Valves | Leakage Test (Body & Seat) | Hydrostatic Test | 100% | Hydro Test Procedure or Approved GAD | Final Insp. Report | ✓ | ✓ | ✓ | ✓ (10%) | ✓ |
| Dimensions, Workmanship | Measurement, Visual | 100% | Approved GAD / UNP As-Built Drawing | Final Insp. Report | ✓ | ✓ | ✓ | ✓ (10%) | ✓ | ||
| 3. Final Inspection | |||||||||||
| 3.1 | Plastic Valves | Documents Verification | Review of Material Stamping & Issue of IRN | 100% | Approved Drawing / PO | IR | ✓ | ✓ | ✓ | ✗ | ✗ |
| Marking & Tagging | Visual | 100% | Approved Drawing | IR | ✓ | ✓ | ✓ | ✗ | ✗ | ||
Legend
P
PerformUNP Action
W
WitnessObserve Test
R
ReviewDocument Check
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 Valves & Quantity Check
- Witnessing a leakage Test (Hydro Test) as per our Standard Test Procedure & pressure rating confirmed per QAP Scope
- Dimension Check of final assembly of Valve as per our standard or as-built drawings
QUALITY ASSURED
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