Quality Assurance
Inspection Policy to ensure quality of ROKVAL products.
- Our Valves are 100% Pressure tested according to API 598 or BS 5146 / 6755 as per requirement.
- Foundry / Manufacturer’s material test certificate and internal inspection reports are available on request.
- Each valve is warranted according to the terms of API, IS, BS & DIN Std as applicable
- Following tests / inspections / evaluation of raw materials and finished goods are applied by Rokval.
Quality Assurance Plan of Rokval
Step 01
RAW MATERIAL
100% material dimensional & surface finish. 100% chemical & physical test.
Step 05
ASSEMBLY
100% dimensional test 100% surface / visual check 100% operational check
| TEST / INSPECTION | METHOD | EVALUATION |
| MECHANICAL PROPERTY | ASTM A 370 | RELEVANT ASTM STD. |
| CHEMICAL COMPOSITION | STD. / COMPUTERISED | RELEVANT ASTM STD. |
| VISUAL | CONVENTIONAL | MSS SP.55 |
| DIMENSIONAL | CONVENTIONAL | RELEVANT VALVE STD. |
| WALL THICKNESS | ULTRASONIC THICKNESS GAUGE | RELEVANT VALVE STD. |
| RADIOGRAPHIC | ASTM E 446 | ANSI B 16.34 |
| WET MAGNATIC PARTICLE | ASTM E 138 | ANSI B 16.34 |
| LIQUID PENETRANT | ASTM E 165 | ANSI B 16.34 |
| LOW TEMPERATURE IMPACT | ASTM E 23 | ASTM A 352 |
| PRESSURE TEST | API 598/BS 5146/6755/ANSI B 16.34 | API 598 |
| FIRE SAFE TEST | API 6D | API 607 |