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4.1 Inspection at the Valve Manufacturer’s Plant The purchaser shall specify in the purchase order intention to inspect valves and witness tests and examinations at the valve manufacturer’s plant.
travel to foundries and valve factories across the globe to verify compliance with industry valve standards, project specifications, and system plans. Many of the valves manufactured today are required to have special materials, features, and configurations that must be verified.
This document outlines the basis of a Standard Operating Procedure to be used by ExxonMobil and its contractors for the inspection of critical and dirty service valves. Ultrasound can be used to identify the presence of four Failure Modes on valves: 1. Passing 2. Blocked 3. Cavitating 4. Flashing
Valve Inspection Procedure. Introduction. This method can be successfully used when valve/line pressure is not known. It is known as the A, B, C & D Method. The goal of this method is to establish the location of turbulence and then decide what that means about the valve being tested, i.e., open, closed, closed and leaking, II. Instrument Set-up.
10 Ιουλ 2020 · Valves should be inspected upon receipt to determine: Compliance to purchase order requirements. Correct type, pressure class, size, body and trim materials and end connections (this information may be found on the nameplate or may be stamped on the body of the valve).
Valve Inspection and Testing. Downstream Segment. API STANDARD 598 EIGHTH EDITION, MAY 2004. SPECIAL NOTES. API publications necessarily address problems of a general nature. With respect to partic-ular circumstances, local, state, and federal laws and regulations should be reviewed.
Client can waive this inspection based on his discretion and informs TPI Inspector accordingly. R: Document Review = Review means Review document, which includes of material test certificates, WPS, PQR, NDT Procedures and etc.
