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Home > Product > Ferrule Fittings > Specialty Ferrule Fittings > Gas Tight Ferrule Fittings

Gas Tight Ferrule Fittings – PE-LOCK Leak-Proof Compression Fittings for High-Purity & Pressurized Gas Systems

Perfect Engineers, under its high-integrity brand PE-LOCK, is a trusted manufacturer and global supplier of Gas Tight Ferrule Fittings—designed for ultra-reliable, leak-free performance in pressurized gas, vacuum, and high-purity flow control systems. These fittings ensure a zero-leak seal even under thermal cycling, vibration, and high-pressure differentials, making them ideal for analytical, cryogenic, industrial gas, and instrumentation applications.

Engineered with precision double ferrule sealing, PE-LOCK Gas Tight Fittings are manufactured to meet global gas safety standards, ensuring performance in toxic, flammable, or ultra-clean gas systems.

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What Are Gas Tight Ferrule Fittings?

Gas tight ferrule fittings are precision-engineered double ferrule compression connectors that create a metal-to-metal seal around the tube, ensuring zero gas leakage. These fittings are used to connect tubing to tubing or tubing to threaded ports in systems where gas containment, purity, and leak integrity are mission-critical.

They are widely used in:

  • High-purity carrier gas systems
  • Toxic or reactive gas distribution lines
  • Analytical instrumentation & chromatography (GC, GC-MS)
  • Hydrogen, nitrogen, helium, or oxygen service

Key Features of PE-LOCK Gas Tight Fittings

  1. Double Ferrule Design – Gas-tight, vibration-proof sealing with high pull-out strength
  2. Zero-Leak Performance – Suitable for vacuum, sub-atmospheric, and pressurized gas lines
  3. 100% Helium Leak-Tested on Request
  4. Precision Machined – Tolerance-controlled for lab and industrial gas applications
  5. Temperature Range – -269°C to +400°C
  6. Pressure Ratings – Up to 6,000 PSI (414 bar)
  7. Materials – SS316L, Brass, Monel, Inconel, Hastelloy, Titanium (custom alloys available)
  8. Compatible With Swagelok®, Parker®, Hy-Lok® gas fitting systems

Technical Specifications

Parameter Specification
Tube Sizes 1/16” to 1” (1.5 mm to 25 mm OD)
Thread Types NPT, BSP, BSPT, UNF, ISO, SAE
Pressure Range Up to 6,000 PSI (414 bar)
Temperature Range -269°C to +400°C
Materials SS316L, Brass, Inconel, Monel, Hastelloy, Titanium
Test Options Helium Leak Test, Pressure Test, Visual/Dimensional QC
Certifications ISO 9001:2015, EN 10204 3.1, Helium Leak Report (on request)
Compatibility Interchangeable with Swagelok®, Parker®, Hy-Lok® fittings

Available Types of Gas Tight Ferrule Fittings

Tube-to-Tube Connectors

  • Straight Union
  • Reducing Union
  • Union Elbow
  • Union Tee / Cross

Tube-to-Thread Connectors

  • Male Connector (NPT/BSP/BSPT/UNF)
  • Female Connector (NPT/BSP/BSPT)
  • Male/Female Elbow
  • Male/Female Tee

Specialty Fittings

  • Bulkhead Gas Tight Union
  • Weld-End Gas Service Adapters
  • Miniature Compression Connectors
  • High-Purity Electropolished Fittings

Contact Us for Pricing & OEM Support

Call

+91-9004860491

E-mail

[email protected]

Website

www.perfectqrc.com

Applications of PE-LOCK Gas Tight Ferrule Fittings

These fittings are essential in industries and systems where gas leak integrity is non-negotiable:

  1. Analytical Equipment (GC, GC-MS, FTIR, etc.)
  2. Semiconductor Clean Gas Lines
  3. Pharmaceutical & Biotech Nitrogen Loops
  4. Aerospace & Satellite Fuel Delivery Systems
  5. Industrial & Medical Oxygen, Argon, Helium, Hydrogen Systems
  6. Cryogenic Liquid Gas Transfer Lines
  7. Laboratory Vacuum Chambers and Gas Cabinets
  8. Refinery & Petrochemical Analyzer Panels

Variants Offered

Weldable Bulkhead Types by Tube End:

  • Tube OD × Weld End (socket or butt)
  • Tube OD × Weld End × Threaded Port
  • Tube OD × Tube OD (with one weldable side)
  • Reducing Type Bulkhead (OD1 × OD2)

Thread Options (if needed):

  • BSP, BSPT, NPT, UNF, ISO, JIC – for hybrid weld-to-thread designs

Buyer-Focused FAQs

Yes. Electropolished and passivated options are available for ultra-clean environments.

Yes. Optional 100% helium leak testing is available on request.

Yes. Our ferrule fittings are dimensionally and functionally interchangeable.

We offer Inconel, Monel, Hastelloy, and Titanium for aggressive or reactive gas systems.

Absolutely. These fittings are designed for both vacuum and cryogenic applications.

Yes. BSP × NPT and other hybrids are available on request.

MOQ is flexible. Typical delivery within 7–12 working days.

Yes. Full OEM/private branding and compliance documentation are standard.

Yes. Metric and inch sizes are both supported.

Ready to Connect Faster, Safer, Smarter?

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We serve purchase heads, OEMs, and end-users with tailored Gas Tight Ferrule Fittings – PE-LOCK Leak-Proof Compression Fittings for High-Purity & Pressurized Gas Systems recommendations and commercial pricing.
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