BLOGS

TYPES OF CORROSION

Types of Corrosion There are many different types of corrosion, each of which can be classified by the cause of the…

PRESSURE TEST CRITERIA

PRESSURE TEST CRITERIA API Spec 6A and 16A require manufacturers to conduct hydrostatic body proof tests of individual units of…

Reciprocating Compressor Testing

The reciprocating compressor testing article provides information about reciprocating compressor mechanical running test, aerodynamic testing, hydro static testing, gas leakage…

External Defects

Undercut A groove melted into the base metal adjacent to the WELD TOE OR WELD ROOT AND LEFT UNFILLED by…

TYPES OF WELDING DEFECTS

Incomplete Penetration Incomplete penetration happens when your filler metal and base metal aren’t joined properly, and the result is a…

WATER JET CUTTING

A diagram of a water jet cutter. #1: high-pressure water inlet. #2: jewel (ruby or diamond). #3: abrasive (garnet). #4:…

Tunnel Boring Machine (TBM)

A tunnel boring machine (TBM), also known as a “mole”, is a machine used to excavate tunnels with a circular cross section through a…

Pressure Reducing Valve

A pressure-reducing valve maintains lower pressures in branches of hydraulic systems. The system relief valve or other pressure-setting device determines upstream main…

ARC WELDING PROCESS

Arc welding is a welding process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted…

P & ID Symbols and Notation

Contents About P&ID symbols Equipment symbols Piping symbols Vessel symbols Heat exchanger symbols Pump symbols Instrument symbols Valve symbols Like…

Inspection of HDG

Similar to any manufacturing process, hot-dip galvanized steel requires an inspection of the finished product to ensure compliance with applicable…