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Features:
10-3785 cm³ capacity| Item | Description |
|---|---|
| Brand | NAI-LOK |
| Model | Double-Ended Sample Cylinder with Needle Valve |
| Material | SS316 / 316L Stainless Steel |
| Capacity | 300 ml / 500 ml / 1000 ml / 1500 ml |
| Working Pressure | 3000 psi (206 bar) / 5000 psi (345 bar) |
| Connection Type | 1/4" Female NPT (Double-Ended) |
| Valve Type | Stainless Steel Needle Valve |
| End Closures | Standard VCR / NPT Threaded Ends |
| Cylinder Body Type | Seamless Tube Construction |
| Surface Finish | Internally Electro-polished (Ra ≤ 0.5 μm), Externally Cleaned |
| Design Standard | Conforms to DOT, ISO 9001:2015 |
| Application | Laboratory Gas Sampling, Petrochemical Testing, Online Analysis |
| Service Media | Natural Gas, LPG, Hydrogen, Nitrogen, Liquefied Gases, etc. |
| Temperature Range | -40°C to +60°C |
| Length per Cylinder | Approx. 300 mm |
| Weight | Approx. 1.2 kg (without valve) |
| Optional Features | Pressure Relief Device, Barcode ID, Custom Labeling |




NAI-LOK - Professional Valve and Precision Tubing Solutions Provider
Company Overview
Established in 2000, NAI-LOK is a leading manufacturer specializing in the research, development, production, and sales of instrumentation valves, nickel-based alloy valves and fittings, and high-precision tubing components. Over the past two decades, we have developed a mature production system and implemented strict quality control to deliver safe, reliable, and high-performance solutions to customers worldwide.
Our Advantages
Stringent Quality Control: We implement full-process quality management, from raw materials to finished products, ensuring every item meets high performance and safety standards.
Technical Expertise: Our experienced R&D team is capable of developing customized solutions based on client requirements, offering flexible engineering support.
Proven Experience: NAI-LOK products are widely used in the oil and gas, chemical, power generation, and semiconductor industries, with a strong track record of reliability in demanding environments.
Product Lines
Instrumentation Valves & Fittings
Comprehensive solutions for industrial fluid and gas control systems, including needle valves, ball valves, manifold valves, check valves, and more.
High-Purity Products
Electro-polished (EP) valves, fittings, and tubing designed to meet the stringent cleanliness and material standards required in semiconductor and pharmaceutical industries.
Special Alloy Valves and Fittings
Products manufactured from corrosion-resistant alloy materials such as Hastelloy, Monel, and Inconel, suitable for aggressive chemical and offshore environments.
Precision Tubing
High-precision seamless tubing available in stainless steel and specialty alloys, with options for semiconductor-grade EP and BA finishes, supporting ultra-clean and high-purity fluid systems.
NAI-LOK is committed to delivering quality, safety, and precision in every product. Contact us today to discuss how we can support your specific application needs.

316L Stainless Steel Sample Cylinde ,Nickel Alloy Sample Cylinder,Hastelloy Sample Cylinder,Monel Sample Cylinder
Inconel Sample Cylinder,Corrosion Resistant Sample Cylinder,High Purity Stainless Steel Sampling Cylinder
Electro-polished Sample Cylinder,300ml Gas Sampling Cylinder,500ml Stainless Steel Sample Cylinder
1000ml Sample Cylinder with Needle Valve,1 Liter High Pressure Sample Cylinder,5 Liter Corrosion Resistant Sample Cylinder
Custom Volume Sample Cylinder,Compact Portable Sample Cylinder,Large Volume Gas Sampling Cylinder
3000 psi Sample Cylinder,5000 psi Gas Sampling Cylinder,Double Ended Sample Cylinder,Sample Cylinder with Needle Valve
Sample Cylinder with Relief Valve,DOT Approved Sample Cylinder,Seamless Body Sample Cylinder,Hydrostatic Tested Sample Cylinder
Hydrogen Sample Cylinder,Natural Gas Sampling Cylinder,Specialty Gas Sample Cylinder,Oil and Gas Industry Sample Cylinder
High Pressure Stainless Steel Gas Sampling Cylinder,DOT 3E Certified Sample Cylinder for Laboratory Use
316L Seamless Sample Cylinder for Hydrogen Storage,1L Double-Ended Sampling Cylinder for Natural Gas
Portable Gas Sample Cylinder with Needle Valve,Electro-polished Sample Cylinder for Specialty Gases
Custom Size Sample Cylinder for Oil & Gas Industry