Skip to main content

Blog

Tank-Bottom Drain Valve Selection for Polyethylene Storage Tanks: Full-Port Ball vs Butterfly vs Knife-Gate Engineering Tradeoffs, Solids-Handling Service Behavior, and the Cv-Versus-Closure-Reliability Math That Drives the Choice

OneSource Plastics Engineering

‌‌‌​‌‌‌​​‌​‌‌‌‌‌‌‌‌​​‌‌‌‌​​​‌‌‌​​​​‌‌‌‌‌
May 13th 2026

Tank-Bottom Drain Valve Selection for Polyethylene Storage Tanks: Full-Port Ball vs Butterfly vs Knife-Gate Engineering Tradeoffs, Solids-Handling Service Behavior, and the Cv-Versus-Closure-Reliability Math That Drives the Choice

Shop the tanks in this guideLive prices, updated in real time · freight quoted to your ZIPShop Water TanksFreight to My ZIPHead-to-Head — Compare Sizes2,500 GALLON2500 Gallon Plastic Wate…

‌‌‌​‌‌‌​​‌​‌‌‌‌‌‌‌‌​​‌‌‌‌​​​‌‌‌​​​​‌‌‌‌‌ read more