Miller Valve specializes in creating precision valve solutions for the most hostile environments imaginable. With our unmatched reliability and performance, we're supporting the innovators in their quest for the extraordinary.
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Trusted by leaders in aerospace, energy, chemical, and oil & gas sectors across North America.
We don't just sell valves — we engineer solutions. Our team partners with you from spec through service to keep your operations running in the most demanding conditions on earth.
Direct partnerships with leading manufacturers — from severe-service ball valves to cryogenic butterfly valves and Teflon-lined specialties. We stock what others source, so you get answers and lead times that work for your project.
Spec'ing the right valve for your media, pressure, and temperature is hard — so our staff engineers do it with you, in-house. We size, select, and material-match (not a vendor hand-off), preventing the costly failures that come from guessing on a data sheet.
Assembly, testing, and on-site startup performed by factory-certified technicians — plus same-day quotes and ongoing technical assistance. From first call to long after install, certified hands keep your valves performing.
From -452°F — near absolute zero — to 1200°F, where many metals begin to fail, Miller Valve shines. We spec and supply severe-service valves across the full envelope: cryogenic LNG, industrial gases, and aerospace launch service at the cold end; superheated steam and hot-hydrocarbon service at the hot end. When temperature is the enemy, the valve can't be the weak point.
Request a quote →Extended-bonnet ball & butterfly valves with bidirectional, zero-leakage shutoff in full cryogenic service.
Metal-seated trim and heat-resistant alloys for superheated steam and hot-hydrocarbon service.
Trim and materials matched to survive repeated extreme swings without leak-by.
We partner with industry-leading manufacturers to deliver a comprehensive range of valves engineered for severe service, cryogenic, teflon-lined, and specialty applications.
Complete line of pneumatic, electric and electro-hydraulic actuators, positioners and accessories
Miller Valve & Controls delivers precision-engineered valve solutions across the most demanding industrial sectors.
Built to make the engineer's day easier. Calculators, cross-references, and selection guides — no email gates, no marketing fluff.
Calculate the required flow coefficient for liquid, gas, or steam service. Detects choked flow, recommends valve size, and pre-fills a quote with your specs.
Open CalculatorMatch the right alloy or lining to your media — sulfuric, caustic, chlorine, sour service, cryogenic, and 17 more. Searchable, with vendor recommendations.
Open GuideField notes from our engineers — Cv sizing, NACE material selection, control vs on/off, and more. Practical articles for the work you actually do.
Read InsightsLet us help you find the perfect valve for your application. Our team is ready to assist from product selection through ongoing technical support.
In loving memory of our founders and friends, Wayne and Lawton Miller
