Manual screw gate
The Manual Screw Gate Valve is a reliable industrial shut-off valve designed for precise opening and closing control of various fluid and material flow systems. Operated by a manual screw mechanism, the valve provides stable performance, simple operation, and excellent sealing capability.
Featuring a robust structure, corrosion resistance, and long service life, the manual screw gate valve is widely used in pipelines requiring reliable isolation, flow control, and low-maintenance operation. The screw-driven design ensures smooth valve movement, accurate positioning, and convenient maintenance.
Our manual screw gate valves are manufactured with advanced production technology and strict quality inspection processes. With complete valve industry certifications and professional manufacturing capabilities, we provide high-quality valve solutions for global customers.
Manual screw gate
We offer comprehensive OEM and ODM customization services to meet different project requirements, including:
We have a complete quality management system and full valve industry certifications, ensuring product safety, durability, and compliance with international standards.
Parameter Specifications
| Item | Specification |
|---|---|
| Product Name | Manual Screw Gate Valve |
| Valve Type | Manual Gate Valve |
| Operation Method | Screw / Hand Wheel Operated |
| Application Medium | Water, Oil, Gas, Steam, Slurry, Industrial Fluids |
| Nominal Diameter | DN15 – DN1200 (Customized Available) |
| Pressure Rating | PN10 – PN40 / Class 150–300 (Customized) |
| Operating Temperature | -20℃ to +300℃ (Customized Available) |
| Valve Body Material | Cast Iron / Ductile Iron / Carbon Steel / Stainless Steel |
| Gate Material | Stainless Steel / Carbon Steel / Ductile Iron |
| Stem Material | Stainless Steel / Alloy Steel |
| Sealing Material | EPDM / NBR / PTFE / Metal Seal |
| Connection Type | Flange / Thread / Welding |
| Flow Direction | Bidirectional |
| Sealing Performance | Low Leakage / Reliable Shut-off |
| Design Type | Rising Stem / Non-Rising Stem (Optional) |
| Operation Torque | Customized According to Valve Size |
| Installation Position | Horizontal or Vertical Installation |
| Surface Treatment | Epoxy Coating / Anti-corrosion Treatment |
| Maintenance | Easy Maintenance Design |
| Testing Standard | Pressure Test & Leakage Test |
| Certification | CE, ISO Quality System, Valve Industry Related Certifications |
| OEM Service | Available |
Industry Applications
Manual Screw Gate Valves are widely used in various industrial applications, including:
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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