May 2019

How To Make Weld Map, Shop Weld Plan, WPS, PQR & WPQ for A Static Pressure Vessel (Part-2)

Scope: In part-1 (Click here to read), of this article, we had discussed about the preparation and approval of the weld map, shop weld plan, and proposed welder list which needs to be submitted for the consent of the customer/client/TPI. In this article, we shall discuss the steps required for PQR qualification. In general, the

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What is a Valve (Part – 1)

Introduction: Valves are mechanical devices, specifically designed to direct, start, stop, mix, or regulate the flow, pressure and temperature of process fluid. The need of Valve came after piping or plumbing. Plumbing dates back thousands of years in the civilization of human across globe. Valves can be found just about anywhere today, in our homes,

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How To Make Weld Map, Shop Weld Plan, WPS, PQR & WPQ for A Static Pressure Vessel (Part-1)

Scope: This article will deal with step by step guide for the preparation of Weld Map, Shop Weld Plan, WPS, PQR & WPQ as per ASME SEC IX for a Static Pressure Vessel designed in accordance with ASME SEC VIII DIV I for non-lethal Service. The Reader must be wondering from where this requirement of

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