Quick Release Coupling Quick Connect Fittings for Chemical and Semiconductor Applications
Product Specifications
- Quick Coupling
Contact Supplier
Product Highlights
- Bubble-tight Leakage: Ensures system safety and cleanliness with zero leakage performance.
- Push-to-Connect Design: Enables quick, tool-free operation for fast and reliable connections.
- High Pressure Rating: Supports working pressure up to 3,000 psig (207 bar).
- Premium Material: Constructed from SS316 Stainless Steel for durability and corrosion resistance.
- Low Flow Capacity: Cv=0.06 (non venting) optimized for precise instrumentation control.
- Wide Size Options: Available in 1/8', 1/4', 3/8', and 1/2' port sizes.
- Versatile Applications: Ideal for chemical, semiconductor, and analytical instrument systems.
- Flexible Customization: Offers full, minor, and sample-based customization options.
Product Attributes
- Customization
- Available
- Customized
- Non-Customized
- Number of Cylinders
- Sample System
- Model NO.
- Quick Release Coupling
- Type
- Quick Connector
- Usage
- Air Compressor
- Brand
- Nai-Lok
- Work Temperature
- Normal Temperature
- Material
- Stainless Steel
- Body Material
- SS316
- Working Pressure
- 3000psig(207bar)
- Connection
- Ferrule,Male,Female,Od
- Name
- Quick Connector
- Size
- 1 4
- Transport Package
- Carton
- Specification
- 1/4" 3/8" 1/2" 6MM 8 MM 10MM 12 MM
- Trademark
- Nai Lok
- Origin
- China
- Production Capacity
- 1000pieces/Month
- Package Size
- 30.00cm * 20.00cm * 25.00cm
- Package Gross Weight
- 1.000kg
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 Quick Release Coupling Quick Connect Fittings for Chemical and Semiconductor Applications
Find Similar Products
Product Description

NAI-LOK Instrumentation quick connection coupling fitting for sampling system
Production Features
QC Series - Quick Couplings for Instrumentation Systems
Designed for Clean, Fast, and Reliable Connections
-
Minimizes spillage and air inclusion, ensuring system cleanliness and safety
-
Push-to-connect design enables quick and tool-free operation
-
Available in a wide range of configurations for both stem and body connections
-
Precision-engineered for instrumentation and fluid/gas handling applications
Specifications:
-
Body Material: 316 Stainless Steel
-
Stem & Poppet: 316SS
-
Seal/O-ring: PTFE
-
Port Types: Female NPT, Male NPT, NAI LOK proprietary
-
Sizes Available: 1/8", 1/4", 3/8", 1/2"
-
Working Pressure: Up to 3,000 psig (207 bar)
Applications:
-
Analytical instruments
-
Laboratory gas systems
-
High-purity process control
-
Chemical and petrochemical industries
Technical Data
| Material | SS316 |
| Working Pressure | 3000psig (207bar) |
| Operating Temperature | -15°F to 165°F |
| Leakage | Bubble -tight |
| Flow Capacity | Cv=0.06 (non venting) |












-
Quick connector Quick coupling Quick release coupling Quick connect fitting Quick disconnect fitting Push-to-connect fitting
-
Fast connector for gas Quick lock coupling, quick connector Quick plug fitting Stainless steel quick connector
-
SS316 quick coupling Brass quick connector Carbon steel quick coupler Plastic quick connect fitting
-
PTFE-coated quick coupling Duplex stainless steel quick coupler Hastelloy quick connect fitting Monel quick release coupling
-
1/4" NPT quick connector 3/8" quick coupling stainless steel 1/2" BSP quick connect DN6 quick connector
-
DN8 quick release coupling Flanged quick coupling Welded-end quick connect fitting Tube-to-tube quick connector
-
High pressure quick connector 6000 psi Hydraulic quick coupling for oilfield Instrumentation quick connect fitting
-
Gas line quick connector with shut-off High temperature quick release coupling Oxygen quick connect fitting
-
Hydrogen compatible quick coupler Air line quick disconnect Cryogenic quick connect fitting
-
Chemical-resistant quick connector Quick coupling for offshore platform Quick connector for calibration system
-
Female quick coupling Male quick connector NPT Dust cap for quick coupling O-ring quick connect
-
Shut-off valve quick coupler Dry break quick connector ISO-A quick couplings quick release coupling
-
Color-coded quick connect fitting Non-spill quick coupler Fire-safe quick connector OEM quick connector supplier
-
Custom quick coupling manufacturer China Bulk quick coupling distributor
-
High-performance quick connector factory Quick connect fitting for petrochemical
-
Fast delivery stainless quick connector Quick coupling stockist in Middle East
-
Online quick coupling catalog Exporter of quick connectors Made-in-China quick release 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 working pressure?
- The maximum working pressure is up to 3,000 psig (207 bar).
- What material is used for the body?
- The body material is 316 Stainless Steel (SS316).
- What are the available port sizes?
- Available sizes include 1/8', 1/4', 3/8', and 1/2'.
- Is customization available?
- Yes, we offer full customization, minor customization, and customization from samples or designs.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- What are the payment terms?
- Payment terms include LC (Letter of Credit) and T/T (Telegraphic Transfer).
- What is the lead time for production?
- Peak season lead time is within 15 workdays, while off-season lead time is one month.
- What certifications does the company have?
- The company holds ISO9001:2015 and ISO14001 management system certifications.
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
- Quick Release Coupling Quick Connect Fittings for Chemical and Semiconductor Applications
Related Categories
Hot Searches
- Flange Coupling Factories
- Industrial Coupling Factories
- Quick Fitting Factories
- Quick Valve Factories
- Steel Quick Coupling
- Quick Coupling Fitting
- Quick Pipe Coupling
- Pipe Fitting Quick Coupling
- Joint Quick Coupling
- Release Coupling Bulkbuy