Chemical Service
4 in-depth engineering guides on Chemical Service — specification, selection, testing and procurement.
Everything on Chemical Service
Vajra's engineering team has published 4 technical guides covering Chemical Service for industrial valve selection, specification, testing and procurement. Browse the full set below.
Valve Selection for Sulphuric Acid Service: Materials, Lining and Design Guide
Sulphuric acid is one of the most deceptive fluids to specify valves for - its corrosivity flips dramatically with concentration, temperature, and velocity. This guide maps concentration-temperature zones to the right alloy or lining and the correct valve design.
Valve Material Compatibility Guide - Chemical vs Material Selection
Selecting the wrong valve material for a chemical service leads to corrosion, leakage, and catastrophic failure - this guide maps key chemicals to compatible valve body and seat materials.
Valve Selection for Ammonia Service - Anhydrous NH₃, Refrigeration & Fertiliser
Anhydrous ammonia is one of the most widely handled industrial chemicals - and one of the most unforgiving. This guide covers valve material compatibility, pressure ratings, and certifications for ammonia service.
Valve Selection for Chlorine (Cl₂) Service - Materials, Safety & Standards
Chlorine is one of the most hazardous industrial chemicals. Valve material selection is counterintuitive - dry Cl₂ is less corrosive than wet Cl₂, and water is the most dangerous contaminant.
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