HONGON: Your Premier Manufacturer of Water Treatment Butterfly Valves

 When municipalities and engineering firms (EPC) plan new water treatment facilities or upgrade aging infrastructure, they need a valve supplier that understands the unique challenges of the water sector. HONGON (Shanghai Hongon Machinery Technology Co., Ltd.)​ is a leading water treatment butterfly valve manufacturer​ based in Shanghai, China, serving the global market since 2007.

We understand that valves in water applications face constant exposure to sediment, chlorine, and varying pH levels. That’s why we have engineered our product line for maximum resilience and longevity.

⚙️ Engineered for the Challenges of Water & Wastewater

A standard industrial valve often fails in the abrasive environment of a WWTP. HONGON’s water treatment butterfly valves​ are built differently:
  • Resilient Seated Design:​ We offer Lug and Wafer type​ valves with replaceable rubber seats (EPDM for drinking water, NBR for oils/sewage) to ensure a perfect seal even with debris in the line.
  • Duplex & Stainless Steel Options:​ For desalination plants or seawater intake, we provide valves made from Duplex Steel (2205/F51)​ to resist pitting and crevice corrosion.
  • Low Torque Operation:​ Precision balancing of the disc reduces the force required to open and close the valve, saving energy for actuated systems.
  • Drinking Water Compliance:​ Our EPDM seats are certified for contact with potable water, ensuring no leaching of harmful substances.

🏭 From Our Factory to Your Facility

HONGON is not a trader; we are a factory-direct manufacturer. This means:
  • Complete Quality Control:​ From raw casting inspection to 100% hydrostatic testing, every step is managed in-house to prevent leaks.
  • Customization (OEM/ODM):​ Need a specific face-to-face dimension (EN 558, API 609), a special alloy, or a custom actuator package? We can build it.
  • Certified Reliability:​ Our products are backed by ISO, SGS, and FAMI‑QS certifications.

🛠️ Product Specifications at a Glance

Feature
Specification
Product Type​
Water Treatment Butterfly Valve (Lug/Wafer)
Size Range​
2" to 80" (DN50 to DN2000)
Pressure Rating​
PN10, PN16, PN25 (Class 125/150)
Body Material​
Ductile Iron, Carbon Steel, Stainless Steel, Duplex
Seat Material​
EPDM, NBR, PTFE
Operation​
Lever, Gear, Electric Actuator, Pneumatic Actuator

🤝 Partner with a Global Leader

We supply water treatment butterfly valves to projects across North America, Europe, the Middle East, and Asia. When you choose HONGON, you choose a partner dedicated to keeping your water flowing safely.
🔗 Contact our experts to specify valves for your next water project:​
👉 https://www.hongonvalve.com
👉 https://www.hongonvalve.com/shop/

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