Direct Factory Partners
Trusted Manufacturing Network
Global Industrial Sourcing
Direct Factory Partners




The Cast Iron Butterfly Balancing Valve is a flanged balancing valve that uses a butterfly disc for flow regulation, combined with pressure test points and a lockable handwheel indicator. Compared with globe-type balancing valves, it offers lower pressure loss and lighter weight, making it ideal for large-diameter mains and risers in HVAC systems.
| Parts Name | Materials |
| Body | Cast Iron HT200 / Ductile Iron QT450 |
| Disc | Ductile Iron (coated) / Stainless Steel |
| Seat | EPDM |
| Shaft | Stainless Steel 2Cr13 |
| Test Points | Brass |
Ideal for Central Air Conditioning, Chiller Plant Headers, Heating Risers, and District Cooling. Specifically suited for balancing large pipe sizes where low head loss matters.
| Standard | GB |
|---|