Nai Lok Stainless Steel 500ml 1000ml Seamless Gas Sample Cylinder High Pressure 3000psi Sample Bottle for Laboratory Sampling Systems
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Basic Info.
- 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
Packaging & Delivery
- Package Size
- 30.00cm * 30.00cm * 30.00cm
- Package Gross Weight
- 3.000kg
Product Description
NAI-LOK Sample Cylinder - Double Ended, 1/2" & 1/4" Female NPT - Special Alloy & Duplex Steel Construction
Product Overview
The NAI-LOK Double-Ended Sample Cylinder is a high-performance sampling device designed for demanding industrial applications. Featuring 1/2" and 1/4" female NPT connections, this cylinder ensures secure and leak-proof fluid sampling in high-pressure and corrosive environments. Constructed from special alloys and duplex steel, it delivers exceptional resistance to corrosion, erosion, and extreme temperatures, making it ideal for oil & gas, chemical processing, petrochemical, and power generation industries.
Key Features
Double-Ended Design - Allows easy filling and draining with 1/2" and 1/4" female NPT ports for flexible integration into sampling systems.
High-Performance Materials - Available in special alloys (Inconel®, Hastelloy®, Monel®) and duplex/super duplex steel (UNS S31803, S32750, S32760) for superior corrosion resistance.
Extreme Durability - Engineered to withstand high-pressure, high-temperature (HPHT) conditions, sour service (HS), and aggressive media.
Precision Machining - Smooth internal finish minimizes contamination risk, ensuring accurate and representative fluid samples.
Reliable Sealing - Compatible with PTFE, Grafoil®, or metal gaskets for leak-free performance in critical applications.
| Stainless Steel 316 | Excellent general corrosion resistance, good mechanical strength, and weldability. SS316L (low carbon) offers superior resistance to sensitization (carbide precipitation) in welded applications. |
6 Moly (6% Molybdenum Super Austenitic, UNS S31254, N08367) |
Enhanced pitting/crevice corrosion resistance (PREN >40), high chloride tolerance, and acid resistance surpassing standard stainless steels. |
| Duplex Steel (UNS S31803 / S32205) | Excellent chloride and stress corrosion cracking resistance. |
| Super Duplex Steel (UNS S32750 / S32760) | Enhanced strength and pitting resistance for harsh offshore/chemical environments. |
| Inconel ® 625 (UNS N06625) | Resists oxidation and acidic corrosion. |
| Hastelloy ® C276 (UNS N10276) | Ideal for sulfuric, hydrochloric, and other aggressive acids. |
| Monel ® 400 (UNS N04400) | Superior performance in seawater and hydraulic flow acid. |
Applications
-
Oil & Gas: Wellhead sampling, produced fluids, sour gas (H2S/CO2).
-
Chemical Processing: Acid, alkali, and solvent sampling.
-
Power Plants: Boiler water, steam, and condensate analysis.
-
Pharmaceutical & Food: High-purity fluid transfer.
-
Offshore/Marine: Seawater sampling, splash zones, and high-salinity brines.
-
Chemical/Petrochemical: Concentrated chlorides, sulfuric/phosphoric acids, and bleach (hypochlorite) solutions.
-
Pollution Control: Flue gas desulfurization (FGD) scrubber systems.
-
Pulp & Paper: Aggressive bleaching liquors and acidic digesters.
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Alternative to Duplex: When higher ductility or avoidance of sigma phase (from heat exposure) is required.





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.

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