Gas Sampling Cylinder Assembly for Corrosive Gas Service Alloy 625 3000 Psi Double Ended
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Product Highlights
- Manufactured from Alloy 625 (UNS N06625) for exceptional corrosion resistance in aggressive gas and chemical environments.
- Designed as a High Pressure Gas Sampling Cylinder Assembly for safe collection, transportation, and storage of gas samples.
- Double Ended Sample Cylinder configuration allows efficient purging, sampling, and sample transfer.
- Rated up to 5000 PSI working pressure for demanding industrial applications.
- Standard 1/4" FNPT connections for compatibility with gas sampling systems and instrumentation panels.
- Suitable for natural gas sampling, hydrogen sampling, refinery gas analysis, laboratory gas sampling, and process gas monitoring.
- Seamless cylinder construction provides superior strength and leak-tight performance.
- Available in multiple capacities from 100ml to 2000ml and customized volumes.
- Ideal for offshore, petrochemical, oil & gas, hydrogen energy, semiconductor, and analytical laboratory applications.
- 100% hydrostatic pressure tested and helium leak tested before shipment.
Product Attributes
- Customization
- Available
- After-sales Service
- 1 Year
- Warranty
- 1 Year
- Model NO.
- Sample cylinder
- Function
- Storage Pressure Vessel, Separation Pressure Vessel, Heat Pressure Vessel, Reaction Pressure Vessel
- Application
- Gas
- Material
- Stainless Steel
- Pressure
- 1.6MPa≤p<10.0MPa
- Storage Medium
- Highly Toxic
- Pressure Level
- Medium Pressure (1.6MPa≤p<10.0MPa)
- Condition
- New
- Product Name
- Gas Sampling Cylinder Assembly
- Cylinder Type
- Double Ended Sample Cylinder
- Design
- High Pressure Double Ended Cylinder
- Working Application
- Industrial Gas Sampling
- Industry
- Oil & Gas / Process Control System
- Key Feature
- High Pressure Resistance / Safe Transportation
- Cylinder Application
- Gas Sampling / Process Gas System
- Working Pressure
- 1800psi-5000psi
- Body Material
- Alloy 625 (Uns N06625)
- Port Size
- 1/4''female NPT
- Outlet Pressure
- 0-450 Psi (0-31bar)
- Keywords1
- Industrial Gas Sampling Cylinder
- Transport Package
- Box Packing, Carton Box, Wooden Case
- Specification
- 1/4''
- Trademark
- NAI-LOK
- Origin
- China
- HS Code
- 7311001000
- Production Capacity
- 10000/Month
- Package Size
- 30.00cm * 25.00cm * 10.00cm
- Package Gross Weight
- 2.000kg
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 Gas Sampling Cylinder Assembly for Corrosive Gas Service Alloy 625 3000 Psi Double Ended
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Product Description
The NAI-LOK Gas Sampling Cylinder Assembly is specifically designed for high-pressure gas sampling, transportation, storage, and laboratory analysis applications. Manufactured from premium Alloy 625 (UNS N06625), this Double Ended Sample Cylinder offers outstanding resistance to corrosion, oxidation, chlorides, sour gas environments, and aggressive process media.
This High Pressure Gas Sampling Cylinder is widely used for collecting representative gas samples from pipelines, process systems, refineries, offshore platforms, natural gas facilities, hydrogen systems, and petrochemical plants. The seamless cylinder design ensures excellent mechanical strength and long-term reliability under pressures up to 5000 PSI.
The Double Ended Sample Cylinder Assembly features 1/4" FNPT connections on both ends, allowing convenient purging, sampling, and transfer operations. It is suitable for use in gas sampling systems, gas chromatography applications, environmental monitoring systems, and analytical laboratories.
Compared with standard stainless steel cylinders, Alloy 625 Sample Cylinders provide superior resistance to pitting, crevice corrosion, chloride attack, and high-temperature environments, making them ideal for critical sampling applications.
Nai-Lok manufactures Gas Sampling Cylinders, Sample Cylinder Assemblies, Sample Bomb Cylinders, and High Pressure Sampling Cylinders in various materials to meet different application requirements.
Product Features
- High pressure gas sampling cylinder
- Maximum working pressure up to 5000 PSI
- Double ended sampling cylinder configuration
- 1/4" FNPT threaded connection design
- Excellent corrosion and pressure resistance
- Leak-tight sealing performance
- Suitable for gas sampling and storage systems
- Durable structure for industrial applications
- Available in SS316 and various alloy materials
- Long service life with reliable performance
Available Material Options
Stainless Steel
- SS304 (UNS S30400)
- SS316 (UNS S31600)
- SS316L (UNS S31603)
- SS904L (UNS N08904)
Duplex Stainless Steel
- Duplex 2205 (UNS S32205)
- Super Duplex 2507 (UNS S32750)
Nickel Alloys
- Monel 400 (UNS N04400)
- Alloy 825 (UNS N08825)
- Alloy 625 (UNS N06625)
- Hastelloy C276 (UNS N10276)
High Corrosion Resistant Alloy Materials
- Alloy 600
- Alloy 625
- Hastelloy C-276
- Monel 400
- Duplex 2205
- Inconel Alloy Series
Different material selections are available according to process gas compatibility, corrosion resistance requirements, pressure conditions, and operating environments.
Applications
This high pressure gas sampling cylinder is widely used in:
- Industrial gas sampling systems
- Oil & gas process systems
- Petrochemical plants
- Chemical processing industries
- Process gas analysis systems
- Gas storage and transportation
- Refinery and pipeline sampling systems
- Instrumentation gas systems
- High pressure gas handling systems
- Process control and sampling applications
Suitable Gas Media
- Hydrogen (H2)
- Nitrogen (N2)
- Oxygen (O2)
- Argon (Ar)
- Helium (He)
- Natural gas
- Process gases
- Corrosive industrial gases
- Non-corrosive industrial gases
Product Advantages
The high pressure design ensures safe gas containment and reliable operation during sampling, storage, and transportation processes. The double ended configuration improves operational convenience for filling, purging, and gas transfer applications.
The availability of multiple stainless steel and alloy material options allows the sampling cylinder to be used in a wide range of industrial environments, including highly corrosive and high purity gas systems.
Alloy 600 provides excellent resistance to oxidation, high temperature environments, and corrosive process media, making it suitable for demanding industrial gas applications.
Product Variants
NAI-LOK offers a complete range of gas sampling products, including:
- High Pressure Gas Sampling Cylinder
- Double Ended Sampling Cylinder
- Sample Cylinder Assembly
- SS316 Sampling Cylinder
- Alloy Sampling Cylinder
- Process Gas Sampling Cylinder
- Gas Storage Cylinder
- High Pressure Sample Container
- Industrial Gas Sampling System
Why Choose NAI-LOK
NAI-LOK specializes in precision instrumentation valves, tube fittings, manifolds, gas pressure regulators, and high pressure sampling cylinders for global industrial applications. Our products are widely used in oil & gas, petrochemical, chemical processing, semiconductor, and industrial gas systems, providing reliable gas handling, safe sampling, and long-term operational performance in demanding environments worldwide.
| 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 Male / 1/4" Double Ferrule Tube Ends |
| 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 (customizable) |
| 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. |

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 a Gas Sampling Cylinder Assembly used for?
- A Gas Sampling Cylinder Assembly is used to safely collect, transport, store, and analyze gas samples from pipelines, process systems, refineries, offshore facilities, and laboratories.
- Why choose Alloy 625 for a Gas Sampling Cylinder?
- Alloy 625 Gas Sampling Cylinders provide superior resistance to chlorides, corrosive gases, hydrogen sulfide (H2S), seawater, and harsh chemical environments compared with standard stainless steel cylinders.
- What is a Double Ended Sample Cylinder?
- A Double Ended Sample Cylinder has connections and valves at both ends, allowing efficient purging, representative sampling, and complete sample recovery.
- What industries use High Pressure Gas Sampling Cylinders?
- These High Pressure Sample Cylinders are widely used in oil & gas, petrochemical, hydrogen energy, offshore platforms, semiconductor facilities, environmental monitoring, and laboratory testing.
- Can this Sample Cylinder be used for Hydrogen Sampling?
- Yes. The Alloy 625 Sample Cylinder Assembly is suitable for hydrogen sampling, hydrogen storage testing, and hydrogen process monitoring applications.
- What is the working pressure of this Gas Sampling Cylinder?
- The working pressure is up to 5000 PSI, with customized pressure ratings available according to customer requirements.
- What is the difference between a Sample Cylinder and a Sample Bomb Cylinder?
- Both terms are commonly used in the industry. A Sample Bomb Cylinder is another name for a High Pressure Gas Sampling Cylinder designed for transporting and storing pressurized gas samples.
- What capacities are available for Sample Cylinder Assemblies?
- Common capacities include: 100ml 150ml 300ml 500ml 1000ml 2000ml Custom capacities are available upon request.
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