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Production

Specification

Production Process

Step 01

Steel Coil Inspection

Step 02

Spiral Mill

Step 03

SAW (Spiral) Welding Process

Step 04

Dimensional Inspection

Step 05

Plasma Cut

Step 06

Hydrostatic Pressure Test

Step 07

Grit Blasting

Step 08

Bitumen Wrapping

Step 09

Bitumen Thickness Inspection

Step 10

Holiday Test

Step 11

Concrete Lining

Step 12

Concrete Thickness Inspection

Step 13

Peel Test

Step 14

Cube Test

Step 15

Final Inspection

Step 16

Curing

Step 17

Storage

Step 18

Delivery