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 02

HYDROSTATIC / AIR TEST

100% pressure test, random strip down test

Step 03

IN PROCESS INSPECTION

100% dimensional random hardness test

Step 04

FINAL INSPECTION

Record check painting

Step 05

ASSEMBLY

100% dimensional test 100% surface / visual check 100% operational check

  • 01

    Raw Material

  • 02

    Hydrostatic /Air Test

  • 03

    In Process Inspection

  • 04

    Final Inspection

  • 05

    Assembly

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