Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended
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Product Highlights
- Military-Grade Pressure Rating: Supports 1800psi, 3000psi, or 5000 PSIG for HPHT applications.
- Zero-Leak Seamless Design: Cold-drawn tubing ensures uniform wall thickness and eliminates weld failure risks.
- Wide Material Selection: Includes 316L, 904L, Inconel 625, Hastelloy, Monel, and Super Duplex steels.
- NACE MR0175 Compliance: Certified for sour service and chloride stress corrosion cracking resistance.
- Customizable Capacities: Available in 150ml to 1-gallon sizes with automated sampling integration.
- Double-Ended Configuration: Features 1/4 or 1/2 FNPT/BSPP/BSPT ports with needle valve protection.
- Specialized Coatings: Offers Vulcanization, Sulfur Passivation, or PTFE for enhanced corrosion resistance.
- Precision-Machined Interior: Smooth internal finish minimizes contamination for accurate sampling.
Product Attributes
- Customization
- Available
- After-sales Service
- Standard
- Warranty
- Standard
- Model NO.
- Seamless Sample Cylinder
- Function
- Storage Pressure Vessel, Separation Pressure Vessel, 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 5000psi
- Media
- Gas Oil Water
- Tube Size
- 1/4 to 1/2 Inch
- Ports Size
- 1/4 Inch 1/2 Inch
- End
- Double Ended
- Capacity
- 150ml 300ml 500ml 1000ml 1500ml 2000ml 1gal
- Transport Package
- Export Package
- Specification
- 300ML 500ML 1000ML 1500ML
- Trademark
- NAI-LOK
- Origin
- China
- HS Code
- 7325999000
- Production Capacity
- 1000pieces/Month
- Package Size
- 30.00cm * 30.00cm * 30.00cm
- Package Gross Weight
- 5.000kg
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 Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended
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Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended -
Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended -
Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended -
Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended -
Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended -
Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended -
Nai Lok 6mo S31254 1gal 3785ml Seamless Sample Cylinder Double Ended
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Product Description
Our premium double-ended LPG LNG Seamless sample cylinders are engineered for high-pressure gas and fluid sampling in demanding oil & gas, petrochemical, and offshore environments. Available in 150ml to 1-gallon (3785ml) capacities, these cylinders feature seamless construction, military-grade pressure ratings, and superior corrosion resistance for reliable performance in harsh conditions.
Certification: DOT Certification
Military-Grade Pressure Rating - 1800psi, 3000psi, or 5000 PSIG (344 bar) working pressure, ideal for HPHT (High-Pressure High-Temperature) applications.
Zero-Leak Seamless Design - Cold-drawn tubing ensures uniform wall thickness, eliminating weld failure risks for maximum safety.
Corrosion-Resistant Materials - Standard 316L stainless steel, with optional 904L (chloride resistance), Alloy 625 (Inconel®), Hastelloy®, Monel®, or super duplex steel (UNS S31803/S32750/S32760) for extreme environments.
NACE MR0175 Compliance - Certified for sour service (HS-rich) and chloride stress corrosion cracking (SCC) resistance, making them perfect for offshore and acidic conditions.
Double-Ended Configuration - 1/4" or 1/2" FNPT Female BSPP BSPT ports with needle valve plug protection for secure transport and easy integration into manifold sampling systems.
Quick-Connect & Bubble-Tight Sealing - Pre-installed needle valves and NPT threads ensure leak-free operation.
Specialized Coatings - Vulcanization, Sulfur Passivation, or PTFE coating for enhanced HS and sulfur resistance (API compliant).
Precision-Machined Interior - Smooth internal finish minimizes contamination, ensuring accurate and representative samples.
Customizable Options - Available in 150ml, 300ml, 500ml, 1000ml, 1500ml, 2000ml, and 1-gallon 1Gal 3785ml sizes with automated sampling integration upon request.
| 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. |
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Oil & Gas: Wellhead sampling, produced fluids, sour gas (H2S/CO2).(HPHT, sour gas, offshore)
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Chemical Processing: Acid, alkali, and solvent sampling.
Refinery & Petrochemical Process Monitoring -
Environmental & Emissions Testing
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Geothermal & Industrial Gas Analysis
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Power Plants: Boiler water, steam, and condensate analysis.
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Pharmaceutical & Food: High-purity fluid transfer.
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Offshore/Marine: Seawater sampling, splash zones, and high-salinity brines.
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Chemical/Petrochemical: Concentrated chlorides, sulfuric/phosphoric acids, and bleach (hypochlorite) solutions.
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Pollution Control: Flue gas desulfurization (FGD) scrubber systems.
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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.
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.
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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
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Terms of Payment
- LC, T/T
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International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
- Average Lead Time
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Peak Season Lead Time: within 15 workdays
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
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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
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Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
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Inspection Method for Finished Products
- Have instructions and uniformly followed
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Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
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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
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Repeat Buyers Choice
- 50%~80%
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001
FAQ
- What pressure ratings are available?
- The cylinders support military-grade ratings of 1800psi, 3000psi, or 5000 PSIG.
- What materials can be used for the cylinder?
- Options include 316L, 904L, Inconel 625, Hastelloy C276, Monel 400, and various Duplex steels.
- Is the cylinder customizable?
- Yes, capacities range from 150ml to 1 gallon, and ports can be 1/4 or 1/2 inch.
- What certifications does the product have?
- It holds DOT Certification and complies with NACE MR0175 for sour service.
- What is the lead time for production?
- Both peak and off-peak seasons have a lead time of within 15 workdays.
- What are the port configurations?
- Ports are available as 1/4 or 1/2 inch FNPT, Female BSPP, or BSPT with needle valve plugs.
- Is the product suitable for offshore use?
- Yes, it is designed for harsh offshore environments with high chloride and acidic resistance.
- What is the warranty policy?
- Standard warranty and after-sales service are provided for all units.
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