Diaphragm valve sizing is not a catalog exercise—and it is not “match the pipe size.” Most “valve quality” failures in […]
Selecting diaphragm valve body materials for corrosive and industrial service is not “pick a better metal.” It is a boundary-definition
Introduction: Why Diaphragm Material Selection Fails in Corrosive Service Selecting a diaphragm material for corrosive service is rarely a “compatibility
INTRODUCTION A diaphragm valve isolates the process media with a flexible diaphragm that forms the shut-off seal and separates the
Written by NTGD Valve Engineering TeamReviewed by NTGD application engineers for corrosive, slurry, and clean-process serviceLast updated: March 2026 Introduction
Introduction Engineers rarely struggle to select a valve for simple services. Problems appear when the fluid is corrosive, contains solids,
1. Introduction to Diaphragms The diaphragm is one of the most critical components of a diaphragm valve. Apart from the
Introduction to Different Forms of Diaphragm Valve Bodies The valve body of a diaphragm valve is the core component that
Diaphragm valves have a structure that is quite different from general valves. They belong to a new type of valve,
Diaphragm valve troubleshooting The two figures below show the parts of a diaphragm valve. Figure: Components of a diaphragm valve.