How to Fix a Leaking Butterfly Valve: Causes, Inspection and Repair Guide

Learn how to troubleshoot and repair a leaking butterfly valve by identifying whether leakage comes from the seat, shaft, flange, body, or sealing surface. The guide explains common causes such as worn seats, damaged O-rings, misalignment, over-tightened flange bolts, material incompatibility, corrosion, and excessive pressure, while outlining safe isolation, inspection, repair, replacement, and preventive maintenance steps.
Stainless Steel Butterfly Valve: Materials, Applications and Selection Guide

Learn how stainless steel butterfly valves are selected for corrosive, hygienic, automated, and general industrial piping systems. The guide explains key factors such as stainless steel body and disc materials, wafer and lug configurations, double-offset and triple-offset designs, resilient or metal seats, actuator compatibility, pressure-drop considerations, media compatibility, and application requirements in food, chemical, water treatment, energy, and process industries.