Stainless Steel 316L Liquefied Petroleum (LP) Gases Manual Sample Cylinder Double Ended 1/4 1/2 Inch Female NPT 300ml 500ml 1000ml 1 Gal LPG Gas Sample Cylinder
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Product Highlights
- High-Pressure Rating: Supports 1800, 3000, and 5000 PSIG working pressure for demanding gas sampling.
- Zero-Leak Design: Seamless cold-drawn tubing body ensures uniform wall thickness and eliminates weld failure risks.
- Corrosion-Resistant Materials: Standard 316L SS with optional 904L or Alloy 625 for chloride and acidic environments.
- Customizable Volume: Available in 150ml to 1Gal capacities to suit specific sampling requirements.
- Safety-Enhanced Coatings: Vulcanization/Sulfur Passivation coatings available for H2S-rich environments.
- Quick-Connect System: Pre-installed needle valve with NPT female threads for bubble-tight sealing.
- OEM/ODM Support: Provide pressure/temperature/media details for fully custom solutions.
- Quality Assurance: 100% pressure tested with hydrostatic reports and MTC CO Test Report available.
Product Attributes
- Customization
- Available
- After-sales Service
- Standard
- Warranty
- Standard
- Model NO.
- sample cylinder
- Function
- Sampling
- Application
- Gas
- Material
- Stainless Steel
- Pressure
- 10.0MPa≤p<100.0MPa
- Storage Medium
- Moncombustible/Nontoxic
- Pressure Level
- High Pressure (10.0MPa≤p<100.0MPa)
- Condition
- New
- Working Pressure
- 3000psi
- Media
- Gas
- Tube Size
- 1/4 to 1/2 Inch
- Ports Size
- 1/4 Inch
- End
- Double Ended
- Transport Package
- Export Package
- Specification
- 300ML 500ML 1000ML 1500ML
- Trademark
- NAI-LOK
- Origin
- China
- HS Code
- 7325999000
- Production Capacity
- 1000pieces/Month
- Package Size
- 50.00cm * 30.00cm * 30.00cm
- Package Gross Weight
- 100.000kg
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 Stainless Steel 316L Liquefied Petroleum (LP) Gases Manual Sample Cylinder Double Ended 1/4 1/2 Inch Female NPT 300ml 500ml 1000ml 1 Gal LPG Gas Sample Cylinder
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Product Description
Stainless Steel 316L Liquefied Petroleum (LP) Gases Manual Sample Cylinder Double Ended 1/4 1/2 Inch Female NPT 300ml 500ml 1000ml 1 Gal LPG Gas Sample Cylinder
Key Features (Bullet Points)
Military-Grade Pressure Rating - 1800psi,3000psi,5000 PSIG (344 bar) working pressure, ideal for high-pressure gas sampling in oil/gas applications
Zero-Leak Design - Seamless cold-drawn tubing body ensures uniform wall thickness and eliminates weld failure risks
Corrosion-Resistant Materials - 316L SS (standard), with options for 904L (chloride resistance) or Alloy 625 (acidic environments)
Safety-Enhanced Coatings - Vulcanization/Sulfur Passivation coatings for H2 S-rich environments (API compliance)
Quick-Connect System - Pre-installed needle valve + NPT female threads for bubble-tight sealing
Customizable - Volume (150ml-1Gal), connection types (1/4" or 1/2" NPT), and automated sampling integration
Technical Specifications
| Parameter | Detail |
|---|---|
| Material | 316L Stainless Steel (Optional: 904L/Alloy 625/HC276/alloy400) |
| Pressure | 1800psi,3000psi,5000 PSIG (344 bar) tested |
| Volume | 150ml, 300ml, 500ml, 1000ml, 1500ml, 2000ml, 1Gal (customizable) |
| Connections | Double-ended 1/4" or 1/2" Female NPT |
| Valve | Integral needle valve + quick coupling |
| Surface Treatment | Vulcanization/Sulfur Passivation Coating |
| Standards | MTC CO Test Report (certificates available) |
| Materials Grade/Cylinder Specification |
Working pressure, psig (bar) |
Internal Volume cm³± 5% |
P-Female NPT |
Dimension,in.(mm) | |||
| D | L | Minimum wall thickness |
Weight lb(kg) |
||||
| Double-Ended | |||||||
| 316L S.S | 1800(124) | 150 | 1/4 or 1/2 | 2.00(50.8) | 5.25(133) | 0.093(2.4) | 0.94(0.43) |
| 300 | 8.94(227) | 1.80(0.82) | |||||
| 500 | 13.8(351) | 2.60(1.20) | |||||
| 316L S.S | 3000(344) | 150 | 1/4 or 1/2 | 1.90(48.2) | 8.00(203) | 0.240(6.1) | 3.00(1.40) |
| 300 | 14.5(368) | 5.60(2.50) | |||||
| 500 | 23.5(597) | 9.10(4.10) | |||||
| Alloy 400/625 HC276 HC22/904L | 1800(124) | 150 | 1/4 or 1/2 | 2.00(50.8) | 5.25(133) | 0.093(2.4) | 0.94(0.43) |
| 300 | 8.94(227) | 1.80(0.82) | |||||
| 500 | 13.8(351) | 2.90(1.3) | |||||
Sampling Systems offers many different liquid sampler options for collecting liquid samples. These units allow the user to collect samples from a wide range of applications, from high pressure to low pressure, and various different temperature ranges. Many of the options can be modified to operate automatically.
Industry Applications
Oil & Gas
-
Wellhead VOC sampling
-
Pipeline corrosive media collection (H2S/CO2)
-
Refinery process gas analysis
Chemical/Pharmaceutical
-
Flammable liquid transfer (benzene, ethers)
-
Reactive chemical storage
Environmental Monitoring
-
Stack emission testing (SO2/NOx)
-
Hazardous waste sampling
Why Choose Us?
OEM/ODM Support - Provide your pressure/temperature/media details for custom solutions
Full Sampling Systems - We manufacture cylinders, coolers, valves, and fittings as integrated systems
Hazardous Area Certified - ATEX/IECEx compliant designs available
Quality Assurance - 100% pressure tested with hydrostatic reports
FAQ
Q: Can this cylinder handle liquid samples?
→ Yes, with proper valve configuration (specify viscosity/particulates).
Q: Is the needle valve replaceable?
→ Yes, valves use standard NPT threads for easy maintenance.
Q: Do you provide automatic sampling systems?
→ We design manual/pneumatic/electric systems per your process requirements.
Primary Keywords:
High-pressure gas sample cylinder, 316L stainless steel sample bottle, Seamless gas sampling container
Industry Keywords:
Petrochemical sampling equipment, VOC collection system, ATEX pressure vessel, Process gas analyzer cylinder
Long-Tail Google Keywords:
5000 PSIG sample cylinder for refinery, Explosion-proof gas sampling bottle, Custom NPT threaded sample containers




NAI-LOK`s target is challenge and beyond the technical limits, continuing pursuit becoming the industry leader. Since the
establishment, we have settled the developing direction of research and develop precise valve, regulator, fluid connectors and high-tech flow control system products.
NAI-LOK`s products are widely accepted and approved by the users on its safety and stability. The application filed covering semi-conductor industry, aero-space industry, solar power battery, petroleum and petrochemical industry, power energy,bio-pharmaceuticals industry and vacuum system, etc. NAI-LOK will keep moving and making unceasing progress in the high-tech flow control field and serve the customers sincerely.
NAI-LOK`s reliable products are made continuous progress by the aim of "super, extreme, micro, preciseness" in the flow control system.

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
- Can this cylinder handle liquid samples?
- Yes, with proper valve configuration (specify viscosity/particulates).
- Is the needle valve replaceable?
- Yes, valves use standard NPT threads for easy maintenance.
- Do you provide automatic sampling systems?
- We design manual/pneumatic/electric systems per your process requirements.
- What materials are available for the cylinder?
- Standard 316L Stainless Steel, with optional 904L, Alloy 625, HC276, or Alloy 400.
- What are the available volume options?
- Volumes range from 150ml to 1Gal, including 300ml, 500ml, 1000ml, and 1500ml.
- What is the working pressure rating?
- The cylinder supports working pressures of 1800, 3000, and 5000 PSIG.
- Are certifications available for this product?
- Yes, MTC CO Test Reports and certificates are available upon request.
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