valve specification
6 in-depth engineering guides on valve specification — specification, selection, testing and procurement.
Everything on valve specification
Vajra's engineering team has published 6 technical guides covering valve specification for industrial valve selection, specification, testing and procurement. Browse the full set below.
Valve Selection Checklist: 10 Parameters Procurement Engineers Must Specify
Incomplete valve specifications are the single biggest cause of delivery delays and wrong-material supplies. This checklist covers 10 parameters every valve RFQ must define - from line class to fire-test certification.
How to Write a Valve Datasheet: Complete Specification Guide for Engineers
A poorly written valve datasheet is the single biggest source of wrong deliveries, project delays, and field failures. This guide explains every field in a valve datasheet - from basic sizing to actuator details - so your valve arrives exactly as intended.
How to Read a Valve Datasheet - Complete Field-by-Field Guide
A valve datasheet is the single document that defines every aspect of a valve - from its physical size and material to its operating limits and test requirements. Knowing how to read and verify each field is essential for engineers raising purchase specifications and for procurement teams reviewing supplier submittals.
Valve Piping Classes and Specification Sheets: A Complete Engineering Guide
Piping classes (pipe specs) are the backbone of process plant valve procurement - they define which valve types, materials, end connections, pressure classes, and inspection requirements apply to every pipe in the plant based on fluid service and operating conditions. This guide explains how piping classes are structured and how to translate them into accurate valve orders.
How to Specify Industrial Valves for Chemical Service: A Complete Guide
Chemical plants handle some of the most aggressive fluids in any industry - strong acids, chlorinated solvents, caustic solutions, oxidising agents, and toxic gases. Specifying the wrong valve body material, seat, or seal material can lead to catastrophic corrosion, product contamination, or unsafe failure. This guide covers every variable in chemical valve specification.
How to Select the Right Industrial Valve: A Step-by-Step Engineering Guide
Selecting the wrong valve for a process application leads to leakage, premature failure, safety incidents, and costly downtime. This engineering guide walks through every factor to consider - from process conditions and materials to standards and actuation - to ensure the right valve is specified every time.
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