Verified 27 July 2026

Butterfly valves manufacturers

Manufacturers of butterfly valves range from general industrial valve makers (wafer, lug, flanged) to specialty producers (sanitary, high-performance, actuated, OEM contract manufacturers). Buyers should decide required body style, seat material, pressure/class rating and actuation options before contacting manufacturers for quotes.

8 verified manufacturers

  • Milwaukee Valve

    “Milwaukee Valve offers butterfly valves for all applications. Our high performance butterfly valves are available in sizes ranging from 2-1/2″ to 24″” (milwaukeevalve.com product category page)

  • Butterfly Valves & Controls Inc.

    “BVC offers a wide range of products, superior support, and service to distributors, resellers, and OEM'S. Its applications are OEM, HVAC, fire control, ...” (valuebutterflyvalves.com)

  • U.S. Valve Corp.USA

    “U.S. Valve Corp. manufactures resilient seated butterfly valves in lug, wafer, and Tri-Clamp/sanitary body styles, available in sizes 2.” (usvalve.com product page)

  • Stephens Mfg. Co.

    “Stephens Mfg. Co. is proud to offer a high quality line of butterfly valves and actuators.” (stephensmfg.com product page)

  • Tianjin Greatwall Flow Valve Co., ltd.China

    “Tianjin Greatwall Flow Valve Co., ltd. top ranked valve manufacturer in China, manufacturing center of butterfly valves, check valves and strainers.” (nortech-v.com OEM manufacturer listing)

  • Flomatic

    “Actuated Butterfly Valves From Flomatic” (flomatic.com product page)

  • Powell Valves

    “Powell Valves provides Water Valves including Wafer Butterfly Valves. Made with the highest quality materials & surpass industry standards.” (powellvalves.com product page)

  • Advance ValvesIndia

    “Advance Valves is a leading Butterfly valves manufacturer in India. The Extended Stem Butterfly valves have a disc attached to the shaft with bearings ...” (advancevalves.com butterfly valves page)

Compiled from public sources and refreshed periodically. Always verify certifications and capabilities directly with the manufacturer before ordering.

Need their contact details?

Source365 finds verified contact emails for manufacturers like these and drafts the RFQ outreach for you — directly from the inquiry email in your Outlook inbox.

What to specify in your RFQ

Manufacturers quote faster and more accurately when your request covers these points.

  • Valve size / pipe diameter

    Specify the nominal pipe size and connection type (wafer, lug, flanged, tri-clamp) so manufacturers can match body style and disc sizing.

  • Material and seat type

    State body, disc and stem materials (cast iron, stainless, ductile iron) and seat material (EPDM, PTFE, metal seat) for compatibility with fluid and temperature.

  • Pressure class / rating

    Provide maximum operating pressure and class (PN or ANSI rating) so suppliers can quote appropriate designs and testing.

  • Actuation

    Specify manual, gear, electric, pneumatic or hydraulic actuation and any required mounting/controls (ISO5211, fail-safe position).

  • Quantity and delivery

    Give required unit quantity, batch sizes and target delivery date; this affects price breaks and lead time.

  • Standards and certifications

    List required certifications or standards (API, ISO, CE, sanitary 3-A, fire-safe) that the valve and factory must meet.

  • Media and temperature

    Describe the process fluid, solids content, corrosiveness and operating temperature range to ensure material/seat compatibility.

Sourcing FAQ

How do I verify a butterfly valve manufacturer?
Ask for factory capability info (foundry/casting vs fabricated), photos of production and testing (pressure test, seat leakage), and relevant certificates (ISO, PED/API where applicable). Compare product pages that explicitly state they manufacture the valve types you need.
What drives lead time for butterfly valves?
Lead time is driven by bespoke sizes/materials, required certifications or third‑party inspection, actuation and quantity; standard sizes in common materials ship faster than custom-engineered or certified units.
What minimum order quantities (MOQs) should I expect?
MOQs vary: many manufacturers supply single spare units or small runs for standard sizes, while custom materials or special finishes often have higher MOQs—confirm with the supplier when requesting a quote.
Which certifications matter for butterfly valves?
Common relevant certifications include ISO quality management, pressure equipment directives (PED), API standards, and sanitary certifications (3-A, FDA/food-contact statements) depending on application; request specific certificates for your sector.

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