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Home > Needle Valves > Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
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Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve
Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve

Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve

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Product Description

📋 Product Overview
Model NO.
NF4-600psi-Needle valve
Material
Stainless Steel 316L
Pressure
High Pressure (6000psi / 413bar)
Standard
ANSI
Media
Gas / High Purity Gas
Temperature
High Temperature Support
Port Size
1/4 inch to 1 inch
Port Style
NPT or VCR
Quality Control
100% Factory Tested
HS Code
84818090
📦 Applied Gases

This needle valve is engineered for a wide range of specialty and high-purity gases:

  • ✅ Nitrogen, Oxygen, Argon
  • ✅ Helium, Hydrogen
  • ✅ Neon, Krypton, Xenon
  • ✅ Silane, Ammonia
  • ✅ Sulfur Hexafluoride
  • ✅ Arsine, Phosphine
⚙ Technical Specifications

High-Purity Gas 316L Needle Valves for High-Tech Applications:

Parameter Description
Material ASTM A182 F316L; Electropolished (Ra ≤ 0.2μm) to minimize particle retention.
Purity Level Meets semiconductor standards: THC ≤ 1 ppb, Moisture ≤ 1 ppb, Particulate (≥ 0.2μm) ≤ 1 particle/100 mL.
Design Precision-machined needle tip; Soft-seal (PTFE/Vespel®) or metal-to-metal seal; Bubble-tight stem seal.
Operating Conditions Vacuum to 6000 psi (413 bar); Temp: -40°C to 150°C (PTFE) or 450°C (Metal); Turndown ratio ≥ 100:1.
Standards ASME B16.34, ISO 14644-1 (Cleanroom), NACE MR0175, USP Class VI.
Testing Helium mass spectrometer leak test: ≤ 1×10⁻⁹ atm·cc/s; Air pressure test: 1.5× working pressure.
📷 Product Gallery
High-Precision Needle Valve
316L Stainless Steel Valve
High Pressure Gas Control
Needle Valve Port Detail
Precision Flow Regulation
Corrosion Resistant Valve
🏭 Manufacturing & Quality
Production Capability
❓ Frequently Asked Questions
What is the maximum working pressure for this needle valve?
The valve is rated for high-pressure applications up to 6000 psi (413 bar), making it suitable for demanding gas distribution systems.
Is this valve suitable for ultra-high-purity (UHP) gas?
Yes, the body is made from ASTM A182 F316L with electropolished internal surfaces (Ra ≤ 0.2μm) to ensure compatibility with semiconductor-grade high-purity gases.
What port sizes and connection types are available?
We offer sizes ranging from 1/4 inch to 1 inch with various connection options including NPT female threads and VCR face seals.
Can this valve handle high temperatures?
The standard PTFE seal handles up to 150°C, while the metal-to-metal seal option can operate in temperatures up to 450°C.
What kind of leak testing is performed on these valves?
Every valve undergoes a Helium mass spectrometer leak test with a rating of ≤ 1×10⁻⁹ atm·cc/s to ensure bubble-tight performance.
Does the product come with material certification?
Yes, we provide comprehensive documentation including material traceability reports, cleanliness certificates, and pressure test reports.

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Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve

Working Pressure 6000psi 316L 1/4 to 1 Inch Female Thread High-Precision Flow Regulation Capability and High Pressure & Corrosion Resista Needle Valve