SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing
Contact Supplier
Product Highlights
- Engineered with a double ferrule compression structure to ensure secure, leak-free sealing in instrumentation and process systems.
- Manufactured from SS316 / SS316L stainless steel, providing excellent corrosion resistance for harsh industrial environments.
- Suitable for 1/4", 1/2", 3/4" and 1'' OD tubing, compatible with standard instrumentation tubing systems worldwide.
- Designed for reliable operation in high pressure gas and fluid applications, ensuring safe and stable system performance.
- Compression design allows easy assembly, disassembly, and reuse without welding, reducing maintenance cost and downtime.
Product Attributes
- Customization
- Available
- After-sales Service
- Standard
- Warranty
- Standard
- Model NO.
- NFS
- Standard
- ASTM
- Technique
- Forged
- Nominal Diameter
- 1/16''-1''
- Type
- Threaded Union
- Material
- SS316
- Connection
- Compression
- Application
- Hydraulic System, Water. Gas, Indurstry
- Shape
- Hexagon
- OEM Service
- Available
- Size
- 1/16-1 Inch; Metric 6-25mm
- Province
- Shanghai
- Color
- Silver
- MOQ
- 20
- Working Pressure
- 6000 Psi
- Keyword
- Instrument Ferrule Set Fittings
- Transport Package
- Box Packing, Carton Box, Wooden Case
- Specification
- 1/16''-1''; Metric 6-25mm
- Trademark
- NAI-LOK
- Origin
- China
- HS Code
- 7307290000
- Production Capacity
- 10000/Month
- Package Size
- 20.00cm * 15.00cm * 10.00cm
- Package Gross Weight
- 0.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing
-
SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing -
SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing -
SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing -
SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing -
SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing -
SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing -
SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing
Find Similar Products
Product Description
NAI-LOK SS316 Double Ferrule Instrumentation Tube Fittings - Compression Union Set for Industrial Applications
Nai-Lok SS316 Instrumentation Tube Fittings are precision-engineered double ferrule compression fittings designed for reliable and leak-free performance in industrial tubing systems.
These fittings are widely used in instrumentation, process control, gas distribution, and fluid handling systems, where safety and sealing integrity are critical.
Manufactured from high-grade SS316 / SS316L stainless steel, the fittings offer excellent corrosion resistance and mechanical strength, making them suitable for demanding environments such as oil & gas, chemical processing, semiconductor manufacturing, and laboratory systems.
The double ferrule design ensures strong tube grip and vibration resistance, maintaining sealing integrity even under high pressure and thermal cycling conditions.
These fittings are compatible with standard tubing sizes including 1/4", 1/2", 3/4" and 1'' OD stainless steel tubing, making them suitable for global instrumentation system standards.
Nai-Lok also supports OEM customization, including special thread types, material options, and packaging solutions for distributors and engineering projects.
Key Features:
-
Material: Stainless Steel 316 (SS316)
-
Type: Double Ferrule (Back + Front)
-
Process: Precision CNC Machining + Heat Treatment
-
Tubing Size: 6mm to 25mm (Metric)
-
Pressure Rating: Up to 6000 psi (Depending on tube & fitting size)
-
Surface: Polished finish
-
Connection Type: Compression, Metric Tube
-
Application: Instrumentation, Gas Systems, Oil & Gas, Laboratory Equipment
| Parameter | Details |
|---|---|
| Brand | NAI-LOK |
| Product Type | Double Ferrule Compression Tube Fitting |
| Material | SS316 (Stainless Steel 316) |
| Sizes Available | 1/4", 1/2", 3/4" 1''OD Back+Front Ferrules |
| Structure | Union, Elbow, Tee, Cross, Reducer, Cap, Plug |
| Connection Type | Compression x Compression, NPT Male/Female |
| Temperature Range | -196°C to +400°C |
| Max Working Pressure | Up to 6000 psi (depends on size & configuration) |
| Design | Double Ferrule (Front & Back) |
| Surface Finish | Polished, Deburred |
| Thread Standards | NPT, BSPT, BSPP |
| Applications | Instrumentation, Oil & Gas, Chemical, Gas Skids |
| Compliance | ISO 9001:2015 Certified |
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI264759". Items marked "
" are certified.
){kind=link}
Company Profile
Established in 2000, NAI-LOK has made a name of itself in the list of top suppliers of in China. We focus on the production, research and development, sales of instrumentation valves and alloy valves. We have more than 20 years of precision valve manufacturing and 10 years of export experience.
Our strict control and management of the entire production process enables us to provide products that meet our customers' requirements for product safety, functionality and design at competitive prices, while ensuring the shortest lead times in the market.
We have the capability to manufacture and supply 4 different product categories, including:
1. General Instrumentation Valves and Fittings
2. High Purity & Ultra High Purity Products- NAI-LOK UHP PRODUCTS, Regulator, Bellows Valve, 3 PC high purity ball valve, Diaphragm Valve, Weld Fitting, Face seal Fitting, Gas Stick.
3. Hose & Tubing
4. Special Alloy Valves, fitting and tubings. Including material S31254 (6 Moly), Alloy 400, HC-276, C22, B3, Alloy 625, Duplex steel 2205 /2507 etc.
We hope there will be opportunities for cooperation.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 397 Damuqiao Road, Shaxi Town, Taicang City, Suzhou, Jiangsu, China
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Piece
Our Production Capability & Technical Expertise
- Main Products
- Gas Delivery System, Ball Valve, Pressure Regulator, Alloy Valve, 2/3/5 Valve Manifold, Instrumentation Ball Valves, Sample Cylinder, Pipe & Tube Fittings, Needle Valve, Hose & Tubing
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 50%~80%
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001
FAQ
- What are double ferrule tube fittings used for?
- Double ferrule tube fittings are used for secure and leak-free connections in instrumentation, gas, and fluid systems.
- What is the advantage of SS316 tube fittings?
- SS316 tube fittings provide excellent corrosion resistance, making them ideal for chemical, oil & gas, and high purity applications.
- What does compression fitting mean?
- A compression fitting uses ferrules to grip the tube and create a strong, leak-tight seal without welding.
- Can these fittings be reused?
- Yes, double ferrule compression fittings can be disassembled and reused depending on system conditions.
- Where are instrumentation tube fittings commonly used?
- They are widely used in: Instrumentation systems, Gas distribution systems, Chemical processing Oil & gas industry, Semiconductor systems, Laboratory systems.
- What materials are available for SS316 tube fittings?
- Besides SS316 / SS316L stainless steel, Nai-Lok also offers a wide range of corrosion-resistant alloys, including: SS316 / SS316L 904L (UNS N08904) Duplex 2205 (UNS S32205) Super Duplex 2507 (UNS S32750) Monel 400 (UNS N04400) Alloy 625 (UNS N06625) Alloy 825 (UNS N08825) Hastelloy C276 (UNS N10276) These materials are suitable for high corrosion, high pressure, and extreme chemical environments.
- What products does Nai-Lok supply besides tube fittings?
- Nai-Lok is a full-system manufacturer for instrumentation and high purity fluid systems, including: Instrumentation Tube Fittings Needle Valves Ball Valves Check Valves Relief / Safety Valves Manifold Valves (2-way / 3-way / 5-way) Pressure Regulators Seamless Stainless Steel Tubing (BA / EP) Gas Sampling Cylinders Hose & Flexible Metal Assemblies This allows us to provide complete piping and instrumentation solutions.
- What industries use double ferrule compression fittings?
- These fittings are widely used in: Oil & Gas upstream and downstream systems Petrochemical and chemical processing plants Semiconductor and high purity gas systems Hydrogen energy and clean energy projects Pharmaceutical and biotechnology industries Laboratory and analytical instrumentation Power generation and industrial automation systems
- What is the advantage of double ferrule design?
- The double ferrule compression structure provides: Strong tube grip Excellent vibration resistance Reliable sealing performance Reduced risk of leakage under thermal cycling This makes it ideal for critical instrumentation and gas systems.
- Do you provide quality certificates?
- Yes. We can provide: EN10204 3.1 Material Test Certificates (MTC) Pressure test reports Quality inspection reports upon request
- Why choose Nai-Lok tube fittings over standard suppliers?
- Nai-Lok offers: Full in-house manufacturing capability Wide range of stainless steel and alloy materials High precision machining for leak-free performance Complete instrumentation system product line Strong OEM and project support capability Stable quality for global industrial projects
Send your message to this supplier
People who viewed this also viewed
Product Groups
Find Similar Products By Category
- Supplier Homepage
- Products
- INSTRUMENTATION VALVES
- Fittings & quick connection
- SS316 Instrumentation Tube Fittings Double Ferrule Compression Union for 1/4" 1/2" 3/4" Stainless Steel Tubing
Related Categories
Hot Searches
- Copper Tube Factories
- Aluminum Tube Factories
- Aluminium Tube Factories
- Metal Tube Factories
- Custom Tube Fittings
- Pipe Or Tube Fittings
- Plastic Water Tube Fittings
- Long Tube Fittings
- Be Elbows Tube Fittings
- Instrumentation Tube Fittings Bulkbuy