Stainless Steel SINV3-S-6-RS | 3/8 in. OD Needle Valve – Regulating Stem, Bar Handle, 5000 psi

The SINV3-S-6-RS is a high-pressure, 3/8" tube OD needle valve designed for accurate metering and flow control in gas and liquid instrumentation systems. Featuring a regulating stem and bar handle, this compact, panel-mountable valve delivers low operating torque and precise adjustments—ideal for high-purity and industrial process applications.

Engineered with a body constructed from corrosion-resistant 316 stainless steel and enhanced with Alloy 400 and brass components, the SINV3-S-6-RS offers compatibility with a wide range of media, including aggressive fuels, chemicals, and CIP (Clean-in-Place) cleaning agents.

Whether you’re building a fuel control panel, fluid metering line, or high-pressure sampling setup, this valve delivers smooth operation and dependable sealing, even in dynamic environments. Compatible with Swagelok® style tube fittings.

Key Benefits

• Control: Regulating stem allows for fine-tuned flow adjustments
• Reliability: Rated to 5000 PSIG for rugged performance in high-pressure systems
• Compatibility: Works with 3/8" stainless steel tubing and Swagelok® style systems
• Versatility: Built from multiple corrosion-resistant alloys for broad media support
• Convenience: Panel-mountable design with bar handle for easy operation

Typical Applications

• Industrial sampling and process control systems
• Sanitary stainless steel fluid lines
• Gas, fuel, and hydraulic flow setups
• CIP (Clean-in-Place) fluid metering loops
• OEM instrumentation and panel builds

Looking for a Swagelok® style needle valve with precise metering and high-pressure capability? The SINV3-S-6-RS delivers smooth control, corrosion resistance, and installation flexibility in one rugged, compact valve. Add it to your cart below or request a quote.