Flange needle valve
The Flange Needle Valve is a high-precision flow control valve designed for accurate regulation, throttling, and shut-off applications in industrial piping systems. With a flange connection structure, this valve provides strong sealing performance, excellent pressure resistance, and convenient installation for large-scale pipeline systems.
Flange needle valve
The needle-type internal structure enables precise flow adjustment with stable operation, making it suitable for applications requiring fine control of liquids, gases, and other process media. The robust valve body design ensures reliable performance under high pressure, high temperature, and demanding industrial conditions.
We provide comprehensive OEM and customization services, including customized valve dimensions, flange standards (ANSI, DIN, JIS, GB, etc.), pressure ratings, body and trim materials, sealing solutions, surface treatment, actuator configuration, logo marking, packaging design, and special structural modifications according to customer requirements.
Our products are manufactured under strict quality management systems with complete valve industry certifications and inspection documents, including material certificates, pressure test reports, dimensional inspection reports, and quality assurance certificates to meet international industrial standards.
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Flange Needle Valve |
| Valve Type | Needle Control Valve |
| Connection Type | Flanged Connection |
| Flange Standard | ANSI B16.5, DIN, JIS, GB, Customized |
| Nominal Size | DN10–DN200 (Customized Available) |
| Pressure Rating | PN1.6–PN420 / Class 150–2500 |
| Valve Body Material | Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Customized |
| Needle Plug Material | Stainless Steel / Special Alloy Materials |
| Seat Material | PTFE, PEEK, Metal Seat, Customized |
| Applicable Medium | Water, Oil, Gas, Steam, Chemical Fluids, Hydraulic Media |
| Working Temperature | -196℃ to +550℃ (According to Material Selection) |
| Flow Control Accuracy | High Precision Throttling Regulation |
| Operation Type | Handwheel / Handle / Pneumatic / Electric Actuator |
| Structure Type | Needle Plug and Globe Valve Structure |
| Sealing Type | Soft Seal / Metal Seal |
| Leakage Standard | ANSI B16.104 / ISO 5208 |
| Pressure Test Standard | API 598 / EN 12266 |
| Surface Treatment | Anti-corrosion Coating, Polishing, Customized Treatment |
| OEM Capability | Custom Design, Drawing Development, Material Selection, Logo & Packaging Service |
| Certification | ISO9001, CE, PED, API, Material Certificate (According to Product Configuration) |
Industry Applications
The Flange Needle Valve is widely used in industrial systems requiring precise flow control, reliable sealing, and high-pressure operation.
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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