Large Diameter Ball Valve
Reliable Solutions for Precision Flow Control
Large-Bore 2-Way Ball Valve (80-800mm Stainless Steel Valve)
- Nominal Diameter: 80~800 mm
- Pressure Rating: 1.0~20.0 MPa
- Flange End: GB/T 9124, ANSI B16.5
- Suitable Media: Water, Steam, Oil, Slurry, Corrosive & Food-Grade Media, etc.
- Operating Temperature: -40 to 120 ℃
- Method of Operation: Manual, Electric, Pneumatic, Hydraulic
Large-Bore 3-Way Ball Valve (80-500 mm Stainless Steel Valve)
- Nominal Diameter: 80~500 mm
- Pressure Rating: 1.0~25 MPa
- Flange End: GB/T 9124, ANSI B16.5
- Suitable Media: Water, Steam, Oil, Slurry, Corrosive & Food-Grade Media, etc.
- Operating Temperature: -40 to 120℃
- Method of Operation: Manual, Electric, Pneumatic, Hydraulic
Investment Casting & Valve Manufacturing Since 1987
At SDPLDL, we are a trusted manufacturer specializing in precision investment casting and industrial valves for global markets. We operate our own manufacturing facility featuring over 200 sets of advanced manufacturing equipment and an in-house testing center equipped with 16-ton dynamic balancing machines. Our integrated manufacturing capabilities allow us to seamlessly produce precision investment casting valves, custom stainless steel large-diameter valves, and slurry valves under strict compliance with ISO 9001 standards.
Investment Casting & Industrial Valves

