Swagelok S03175706B Needle Valve

Description:

The Swagelok S03175706B Needle Valve is used in industrial fluid control systems to regulate, isolate, or finely meter the flow of liquids and gases in high-pressure instrumentation and process applications. It is commonly installed in analytical systems, hydraulic test setups, chemical processing lines, and instrumentation panels where precise flow control and leak-tight sealing are required. Maintenance technicians and process engineers use this valve for calibration systems, pressure control circuits, and controlled fluid delivery in industrial environments.

Applications:

The Swagelok S03175706B Needle Valve is commonly used in Swagelok instrumentation and process control systems, including analytical sampling systems, hydraulic test stands, chemical dosing systems, and industrial gas distribution networks where Swagelok precision needle valves are required for controlled flow adjustment, isolation, and system protection in high-pressure or corrosive service environments.

Technical Specifications:

• Manufacturer: Swagelok
• Model / Part number: S03175706B
• Product type: Instrumentation needle valve
• Valve type: Precision needle / metering valve
• Body material: 316 stainless steel
• End connections: Swagelok tube fitting or NPT
• Pressure rating: Up to ~3000–6000 psig depending on configuration
• Temperature range: Approximately -65°F to 450°F (-53°C to 232°C) 
• Stem type: Fine-threaded regulating needle stem
• Flow control: Precision metering adjustment
• Sealing: Metal-to-metal or PTFE packing (variant dependent)
• Mounting: Inline instrumentation installation
• Function: Flow regulation, isolation, and pressure control
• Application environment: Industrial instrumentation, chemical, oil & gas, and hydraulic systems

Common Replacements:

• Swagelok integral-bonnet needle valve
• Parker HNV / H-series instrumentation needle valve 
• Hy-Lok I-Series stainless steel needle valve