Nai Lok Duplex Steel 2507 2205 S32750 Double Ferrule 4 Way Equal Union Cross Tube Fitting Stainless Steel 316 Ss Compression Instrumentation Fitting
Contact Supplier
Product Highlights
- 6000 PSI High Pressure: Withstands extreme pressure up to 6000 PSI (414 Bar) for reliable operation.
- Double Ferrule Design: Leak-proof, vibration-resistant seal ideal for critical industrial applications.
- Wide Material Options: Available in SS316L, 6Moly, Hastelloy, Monel, Inconel, and Super Duplex.
- Corrosion Resistance: Superior resistance to acids, chlorides, seawater, and aggressive media.
- Easy Installation: No special tools needed; hand-tighten plus 1-1/4 turns for secure seal.
- Multiple Thread Types: Compatible with NPT, BSPP, BSPT, and SAE threads for flexible integration.
- Customization Available: Supports customization from samples, designs, and full minor customization.
- 100% Inspection: Finished products undergo 100% visual and function inspection for quality.
Product Attributes
- Customization
- Available
- After-sales Service
- Standard
- Warranty
- Standard
- Model NO.
- Tube fittings
- Connection
- Female
- Type
- Equal
- Technics
- Forged
- Material
- Stainless Steel
- Certification
- ASME
- Color
- Silver
- Application
- Petrochemical Industrial
- Fitting Type
- Twin Ferrule Fittings
- Fitting
- Male Connector/ Cross Union Elbow Tee Adapter
- Body
- Inconel/Monel/SS316
- Transport Package
- Standard Case
- Specification
- 1/4"-1/2"
- Trademark
- NAI LOK
- Origin
- China
- HS Code
- 7307290000
- Production Capacity
- 10000
- Package Size
- 30.00cm * 30.00cm * 15.00cm
- Package Gross Weight
- 15.000kg
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 Nai Lok Duplex Steel 2507 2205 S32750 Double Ferrule 4 Way Equal Union Cross Tube Fitting Stainless Steel 316 Ss Compression Instrumentation Fitting
Find Similar Products
Product Description
NAI-LOK High Pressure 6000psi 1/16" to 2" Stainless Steel 316L Reducing Union Double Ferrule Tube Fitting
Premium High-Pressure Compression Fitting for Demanding Industrial Applications
The NAI-LOK High Pressure Reducing Union is engineered for superior performance in extreme-pressure instrumentation, hydraulic, and pneumatic systems. Featuring a double ferrule compression design, this fitting ensures a leak-proof, vibration-resistant seal, making it ideal for critical applications in oil & gas, chemical processing, petrochemical, and power generation industries.
6000 PSI (414 Bar) Pressure Rating - Withstands extreme high-pressure environments for reliable operation.
Double Ferrule Compression Design - Provides a secure, leak-free connection resistant to vibration and thermal cycling.
Corrosion-Resistant Materials - Constructed from Stainless Steel 316L, with optional premium alloys including 6Moly (S31254), HASTELLOY® (C22, C276, B3), Titanium, Nickel Alloys, INCOLOY® (825, 800), MONEL® 400, INCONEL® 625, and Super Duplex (S32750, 2507, 2205) for superior resistance to acids, chlorides, and seawater.
Precision Machined for Optimal Flow - Smooth internal bore minimizes pressure drop and ensures turbulence-free fluid/gas transmission.
NPT Thread (National Pipe Tapered) - Ensures a tight, pressure-resistant seal with standard piping systems.
BSPP,BSPT,SAE THREAD
1/16" to 2" Reducing Union - Compatible with a wide range of tubing sizes for flexible system integration.
Wide Industry Applications - Perfect for instrumentation tubing, process control, chemical injection, and high-pressure fluid/gas transfer.
| Parameter | Specification |
|---|---|
| Material | Body: 6Moly (S31254) / 316 Stainless Steel,HASTELLOY ® HC22 HC276 H-B3 UNS N10276 N10675 N10622, titanium, nickel alloys, INCOLOY ® 825, INCOLOY ® 800, MONEL® 400 N04400, INCONEL ® 625 UNS N06625, super duplex S32750 2507 2205 |
| Pressure Rating | 6000psi (414 bar) |
| Connection Type | NPT Male Thread (Tapered) ,BSPP,BSPT,NPT,SAE thread, Tube Fittings |
| Fitting Type | Union, Bulkhead Union,Union Tee, Union Elbow, Union Cross,Male Connector,Female Connector,Adapter, Reducer (Double Ferrule Compression) |
| Seal Type | Metal-to-Metal Compression (No PTFE Tape Needed) |
| Operating Temp. | -20°F to 1000°F (-29°C to 538°C) |
| Standards | ASME B1.20.1 (NPT), ASTM A182 (Stainless Steel) |
| Material Grade | UNS Number (®) | Key Characteristics & Typical Applications |
|---|---|---|
| Inconel® 625 | UNS N06625 | Excellent fatigue and thermal fatigue strength. Resists a wide range of severe corrosives. Ideal for seawater, aerospace, and chemical processing. |
| Monel® 400 | UNS N04400 | Superior resistance to seawater and steam at high temperatures. Excellent for marine and hydrocarbon applications. |
| Hastelloy® C22 | UNS N06022 | Outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Handles oxidizing and reducing media. |
| Hastelloy® C276 | UNS N10276 | Versatile corrosion resistance to a broad range of chemical process contaminants, including chlorides. |
| Hastelloy® B2 | UNS N10665 | Excellent resistance to reducing environments, especially hydrochloric acid at all concentrations and temperatures. |
| Hastelloy® B3 | UNS N10675 | Improved thermal stability and corrosion resistance over B2, with excellent resistance to hydrochloric acid. |
| Alloy 254 SMO® 6Mo 6Moly | UNS S31254 | Extremely high resistance to pitting and crevice corrosion, ideal for seawater and chloride-containing solutions. |
| Super Duplex® 2507 | UNS S32750 | High strength and excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. |
| Duplex® 2205 | UNS S31803/S32205 | Good strength and improved resistance to stress corrosion cracking compared to standard stainless steels. |
| Alloy 904L | UNS N08904 | High chromium, nickel, molybdenum content provides excellent resistance to sulfuric acid and other aggressive chemicals. |
Oil & Gas - High-pressure pipelines, wellhead controls, and instrumentation.
Chemical & Petrochemical - Resistant to H2S, chlorides, and acidic media.solvent, and corrosive fluid handling
Power Generation - Steam, cooling, and hydraulic systems.
Pharmaceutical & Food Processing - High-purity fluid transfer (316 SS option).
Marine & Offshore - Seawater-resistant (6Moly S31254) for harsh environments
Aerospace & Defense (High-integrity fluid systems)
.Why Choose This Compression Tube Fitting?
Superior Leak Resistance - Double ferrule design prevents loosening under vibration.
High Corrosion Resistance - 6Moly (S31254) & 316 SS for aggressive media.
Easy Installation - No special tools required; hand-tighten plus 1-1/4 turns for a secure seal.
-
High Pressure Union Tee Fitting , 6Moly S31254 Instrumentation Fitting ,Double Ferrule Compression Fitting 6000psi
-
1 Inch NPT Male Stainless Steel Tee , 12mm OD Tube Fitting for Instrument Gas Systems
-
Corrosion-Resistant High-Pressure Union Tee , Industrial Instrument Compression Tube Fittings
-
Alternative Compression Fitting





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.
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 is the maximum pressure rating?
- The fitting has a high-pressure rating of 6000 PSI (414 Bar).
- What materials are available?
- Options include Stainless Steel 316L, 6Moly (S31254), Hastelloy, Monel, Inconel, and Super Duplex.
- Is customization available?
- Yes, we offer customization from samples, designs, full customization, and minor customization.
- What are the thread types?
- Available threads include NPT, BSPP, BSPT, and SAE.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- What are the payment terms?
- We accept LC (Letter of Credit) and T/T (Telegraphic Transfer).
- What is the lead time?
- Peak season lead time is within 15 workdays; off-season is one month.
- What industries is this fitting suitable for?
- Ideal for oil & gas, chemical processing, power generation, pharmaceutical, marine, and aerospace.
Send your message to this supplier
People who viewed this also viewed
-
US$58.50-85.20 / Piece
-
US$75.00-120.00 / Piece
Product Groups
Find Similar Products By Category
- Supplier Homepage
- Products
- INSTRUMENTATION VALVES
- Fittings & quick connection
- Nai Lok Duplex Steel 2507 2205 S32750 Double Ferrule 4 Way Equal Union Cross Tube Fitting Stainless Steel 316 Ss Compression Instrumentation Fitting
Related Categories
Hot Searches
- China Fitting Factories
- Stainless Steel Pipe Fitting
- Stainless Steel Fitting Factories
- Steel Fitting Factories
- Tube Fitting China
- Steel Tube Fitting
- Stainless Tube Fitting
- Stainless Steel Tube Pipe Fitting
- Us Tube Fitting
- Top 10 Fitting
- Fitting Trends
- Duplex Steel Tube Fitting Bulkbuy