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| Warranty: | 1 Year |
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The NAI-LOK Stainless Steel 316L 250ml 1/4 FNPT Double Ended 1800psi TPED Compliant Gas Seamless Sampling Cylinder is precision-engineered to safely store and transport high-purity or hazardous gas and liquid samples. Manufactured using seamless 316L stainless steel tubing, the cylinder is double-ended with 1/4" FNPT connections, offering exceptional corrosion resistance and mechanical strength.
Designed in compliance with TPED (Transportable Pressure Equipment Directive) standards, this sampling cylinder is suitable for use in petrochemical, refining, and hydrocarbon analysis systems, where safe containment, cleanliness, and integrity are critical.
Ideal for offshore installations, lab environments, and field applications, each cylinder is 100% tested and certified, with optional internal surface finishes such as BA (Bright Annealed) or EP (Electropolished) for ultra-high-purity gas handling.
Key Features:
Material: Stainless Steel 316L, Alloy 625,800,825, Alloy 400
Capacity: 150 cc-2250 cc
Design: Double-Ended with 1/4" -1/2'' FNPT Female Connections
Construction: Seamless Tubing
Pressure Rating: 1800 psig / 124 bar
Finish: Electropolished or Mechanical Polish (optional)
Temperature Range: -20°C to +204°C (-4°F to +400°F)
Leak Tested: Hydrostatic and Helium Leak Testing Available
Cleanliness: Available in BA/EP Grade for UHP Service
Applications: Oil & Gas Sampling, Laboratory, Environmental Monitoring, Analytical Systems
| Parameter | Details |
|---|---|
| Product Name | Double-Ended Gas Sample Cylinder |
| Brand | NAI-LOK |
| Body Material | 316L Stainless Steel (ASTM A269 / A479); Alloy 400 |
| Connection Type | 1/4" NPT Female / 1/2" NPT Female |
| Working Pressure | Up to 3000 psi (206 bar) standard (customizable) |
| Temperature Range | -40°C to +200°C (-40°F to +392°F) |
| Capacity Options | 150ml, 300ml, 500ml, 1000ml, 2000ml , 3750ml |
| Certification | Pressure Test Certificate |
| End Caps | Stainless Steel or Plastic Dust Caps |
| Optional Features | Needle Valves, Handles, Mounting Brackets |
| Cleaning | Cleaned for Hydrocarbon or Oxygen Service |
| Application Media | Hydrocarbon, Natural Gas, Industrial Gases, Steam |
| Testing | 100% Helium/Nitrogen Leak Test at Rated Pressure |
| Material / Alloy | UNS Number | Main Characteristics |
|---|---|---|
| Hastelloy® C276 | UNS N10276 | Excellent resistance to strong oxidizers, chlorine, and a wide range of chemical environments. |
| Hastelloy® B2 | UNS N10665 | Outstanding resistance to hydrochloric acid at all concentrations and temperatures. |
| Hastelloy® B3 | UNS N10675 | Better thermal stability and corrosion resistance than B2, especially against hydrochloric acid. |
| Hastelloy® C22 | UNS N06022 | Superior resistance to oxidizing aqueous media, including wet chlorine and nitric acid. |
| Inconel® 600 | UNS N06600 | Excellent resistance to oxidation and corrosion, good strength at high temperatures. |
| Inconel® 625 | UNS N06625 | High strength and outstanding fatigue and thermal-fatigue resistance, excellent corrosion resistance. |
| Incoloy® 800H / 800HT | UNS N08810 / N08811 | Good strength and oxidation resistance at elevated temperatures, used in heat exchangers and furnace components. |
| Monel® 400 | UNS N04400 | High strength and excellent resistance to seawater, acids, and alkalis. |
| Alloy 20 | UNS N08020 | Excellent resistance to sulfuric acid, used in chemical and petrochemical industries. |
| Alloy 254 SMO® (6Mo) | UNS S31254 | Superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. |
| Super Duplex® 2507 | UNS S32750 | High mechanical strength and resistance to pitting, crevice corrosion, and stress corrosion cracking. |
| Duplex 2205 | UNS S32205 | Balanced austenitic-ferritic structure, good resistance to chloride stress corrosion cracking. |
| 904L Stainless Steel | UNS N08904 | Excellent resistance to strong reducing acids (sulfuric acid), superior to 316L in corrosion performance. |
| Alloy C4 | UNS N06455 | Excellent resistance to strong oxidizing agents, even at elevated temperatures. |
| Alloy 825 (Incoloy® 825) | UNS N08825 | Good resistance to sulfuric and phosphoric acids, widely used in chemical processing. |
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