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Help CenterPrecision Engineered Needle Valve With Excellent Shut-Off Performance
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Shanghai Sote Valve Co., Ltd., a trusted valve manufacturer certified under ISO9001 quality management systems, proudly presents our Precision Engineered Needle Valve designed for critical flow control applications. Engineered in Shanghai with over two decades of industrial expertise, this valve delivers unmatched shut-off performance in demanding environments across chemical processing, power generation, and instrumentation systems. Our global presence in 15+ markets including North America, Europe, and Southeast Asia ensures reliable support for your projects.
This valve features micro-precision flow adjustment capabilities with leak-tight shut-off, making it ideal for:
High-pressure gas/liquid regulation
Laboratory instrumentation calibration
Process control in corrosive media
Hydraulic system pressure management
Technical Specifications & Features:
| Body Material | 316 Stainless Steel (Standard), Brass Optional |
| Stem Material | 304SS with Precision Ground Tip |
| Seat Design | Conical Metal-to-Metal or PTFE Seal |
| Pressure Rating | 6000 PSI @ 100°F (Model Dependent) |
| Flow Coefficient | Cv: 0.07 to 1.2 |
Key Advantages:
Zero-Leak Performance: Exceeds ANSI/FCI 70-2 Class VI standards
Fine Flow Control: 20+ turns for micro-adjustment (±2% accuracy)
Corrosion Resistance: Passes 96hr salt spray test (ASTM B117)
Thermal Stability: Maintains sealing integrity from cryogenic to 200°C
Low Torque Operation: Reduced wear with self-lubricating stem
With distribution networks across North America, Western Europe, and Southeast Asia, Shanghai Sote Valve guarantees technical support and timely delivery. Our OHSAS18001-certified manufacturing facility ensures worker safety and process consistency. Choose from 48 standard configurations or request custom solutions for specialized media handling.
FAQ:
Q1: What media are compatible with this needle valve?
A: Compatible with oils, steam, compressed air, and mild chemicals. For aggressive chemicals, specify PTFE seals.
Q2: Can I get custom connection types?
A: Yes. We offer BSP, NPT, SAE, and JIS threads upon request.
Q3: What is the lead time for bulk orders?
A: Standard orders ship in 7 days. For 100+ units, contact us for expedited options.
Q4: How do I select the right flow coefficient?
A: Provide operating pressure/viscosity. Our engineers will recommend suitable Cv values.
Q5: Is calibration certification available?
A: Yes. NIST-traceable flow test reports are optional.
Q6: What maintenance is required?
A: Annual stem lubrication recommended for continuous service.
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