Flange worm gear drive welding ball valve
The Flange Worm Gear Drive Welding Ball Valve is a high-performance industrial pipeline valve that combines a fully welded body structure, flange connection design, and worm gear operating mechanism to provide reliable shut-off control for demanding applications.
Featuring a robust welded valve body and flange-end connection, this valve offers excellent mechanical strength, superior sealing performance, and convenient installation. The worm gear drive system provides high torque output, smooth operation, and easy control, especially for large-diameter and high-pressure pipeline applications.
The welded body structure eliminates potential leakage risks caused by traditional bolted valve bodies, while the flange connection ensures flexible installation and maintenance. With a full bore design, the valve provides low pressure loss, high flow capacity, and efficient pipeline operation.
Manufactured using advanced welding technology, precision machining, and strict quality control processes, the Flange Worm Gear Drive Welding Ball Valve is widely used in oil & gas pipelines, chemical systems, power plants, water supply projects, and industrial process applications.
We provide professional OEM and customization services to meet customer requirements, including customized valve sizes, materials, pressure classes, flange standards, welding structures, sealing solutions, worm gear specifications, actuator options, and special working conditions.
All products are manufactured under strict quality management systems and comply with international valve industry standards. We provide complete certifications, including ISO 9001, API 6D, CE, ASME, ISO 14313, and other applicable valve industry certifications, ensuring reliable quality and global application compatibility.
Flange worm gear drive welding ball valve
We provide comprehensive OEM/ODM solutions, including:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Flange Worm Gear Drive Welding Ball Valve |
| Valve Type | Flange End Fully Welded Ball Valve |
| Operation Type | Worm Gear Drive |
| Valve Structure | Floating Ball / Trunnion Mounted Ball |
| Design Type | Full Port / Reduced Port |
| Nominal Size | DN50–DN1200 / 2"–48" (Customized) |
| Pressure Rating | PN16–PN420 / Class 150–2500 |
| Body Material | Carbon Steel, Stainless Steel, Alloy Steel, Low Temperature Steel |
| Ball Material | Stainless Steel / Alloy Material |
| Stem Material | Stainless Steel / Alloy Steel |
| Seat Material | PTFE, RPTFE, PEEK, Metal Seat |
| Seal Material | PTFE, Graphite, FKM, Customized |
| Connection Type | Flanged Ends + Welded Body Structure |
| Flange Standard | ANSI, ASME, DIN, JIS, EN |
| Working Medium | Natural Gas, Oil, Water, Steam, Chemical Fluids |
| Working Temperature | -46°C to +250°C (Depending on Material Selection) |
| Flow Characteristic | Full Bore, Low Pressure Drop |
| Operation Method | Worm Gear Manual Drive |
| Actuator Option | Pneumatic / Electric / Hydraulic Available |
| Sealing Performance | Tight Shut-Off, Double Block & Bleed Available |
| Leakage Standard | API 598 / ISO 5208 |
| Design Standard | API 6D / ISO 14313 / ASME B16.34 |
| Fire Safe Design | API 607 / API 6FA Available |
| Anti-Static Design | Available |
| Surface Treatment | FBE / Epoxy / 3PE Coating / Customized |
| Installation Type | Above Ground / Pipeline Installation |
| Inspection Standard | API / EN / Customer Requirements |
| Pressure Test | Shell Test & Seat Test According to International Standards |
| Certification | ISO 9001, API 6D, CE, ASME, ISO 14313 Available |
| OEM Service | Available |
| Customization Capability | Size, Material, Pressure, Flange Standard, Welding Structure, Gear Operator, Coating, Packaging |
Industry Applications
The Flange Worm Gear Drive Welding Ball Valve is widely used in industries requiring reliable shut-off, high torque operation, and long-term pipeline performance.
✔ Fully welded body design for enhanced leak prevention
✔ Flange connection for convenient installation and maintenance
✔ Worm gear drive provides high torque and easy operation
✔ Excellent pressure and temperature resistance
✔ Full bore design reduces flow loss
✔ Suitable for large-diameter pipeline applications
✔ Long service life with low maintenance requirements
✔ Wide customization capability for different projects
✔ Manufactured according to international valve standards
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
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