Nai-Lok Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve
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Product Highlights
- High-Pressure Safety: Hydrostatically tested to 5/3 times working pressure with burst pressure >1.5x rated.
- Corrosion Resistance: Constructed from 316L/304L stainless steel with electropolished internal surface.
- DOT Compliance: Meets strict industry safety standards including TPED, DOT, and ISO certifications.
- Leak-Tested Quality: 100% leak tested with Nitrogen or Helium to ensure zero leakage.
- Versatile Applications: Ideal for petrochemical, laboratory, and analytical gas sampling applications.
- Customizable Options: Flexible customization available for working pressure, media, tube size, and ports.
- Multiple Volume Sizes: Available in 150cc to 2250cc options to suit various sampling needs.
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
- 7311001000
- Production Capacity
- 1000pieces/Month
- Package Size
- 60.00cm * 20.00cm * 15.00cm
- 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 Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve
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Nai-Lok Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve -
Nai-Lok Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve -
Nai-Lok Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve -
Nai-Lok Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve -
Nai-Lok Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve -
Nai-Lok Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve -
Nai-Lok Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve
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Product Description
NAI-LOK Double-Ended DOT-Compliant Sample Cylinders High Pressure 5000psi 500cc SS316 1/4'' Female NPT Sample Cylinder with Needle Valve
The NAI-LOK 150cc sampling cylinder is engineered for safe and reliable containment of gas or liquid samples under low-pressure conditions. Constructed from corrosion-resistant 316L stainless steel, the cylinder features a seamless body with double-ended 1/4" FNPT connections and is ideal for petrochemical, laboratory, and analytical applications. The mirror-polished internal surface minimizes contamination and ensures compatibility with high-purity and corrosive media. Designed to meet the strict demands of gas sampling systems, this cylinder complies with industry safety standards and supports long-term use in harsh environments.
Key Features:
The NAI-LOK 150cc sampling cylinder is engineered for safe and reliable containment of gas or liquid samples under low-pressure conditions. Constructed from corrosion-resistant 316L stainless steel, the cylinder features a seamless body with double-ended 1/4" FNPT connections and is ideal for petrochemical, laboratory, and analytical applications. The mirror-polished internal surface minimizes contamination and ensures compatibility with high-purity and corrosive media. Designed to meet the strict demands of gas sampling systems, this cylinder complies with industry safety standards and supports long-term use in harsh environments.
Key Features:
1. 316 stainless steel to resist corrosion.
2. Range of cylinder sizes: 150 cc - 2250 cc.
3. Stated pressure ratings are at 100 °F (37 °C).
4. All cylinders have 1/4" female NPT threads on both ends.
5. Each cylinder is hydrostatically tested to at least 5/3 times the working pressure.
6. 316L and 304L and alloy 400 stainless steel materials available.
| Parameter | Specification |
|---|---|
| Brand | NAI-LOK |
| Product Type | Double-Ended Sampling Cylinder |
| Cylinder Volume Options | 150 cm³ / 300 cm³ / 500 cm³ / 1000 cm³ / 1500 cm³ / 2000 cm³ |
| Body Material | Stainless Steel 304L / 316L |
| Working Pressure | Up to 3000 psi (206 bar) - Standard |
| Burst Pressure | > 1.5 times of working pressure (Typically tested up to 4500 psi or higher) |
| Connection Type | 1/4" Female NPT on both ends (Double-Ended) |
| Temperature Range | -40°C to +204°C (-40°F to +400°F), depending on seal material |
| Surface Finish (Internal) | Electropolished or mechanical polished (Ra ≤ 0.5 µm / 20 µin optional) |
| Leak Testing | 100% leak tested with Nitrogen or Helium |
| Certifications | Compliant with TPED / DOT / ISO (depending on model and region) |
| Optional Accessories | Needle Valves, Carrying Handles, Brackets, Safety Caps |
| Applications | Petrochemical Sampling, Refinery Gas Sampling, Environmental Monitoring, R&D Lab |
NAI-LOK is the leader in flow control technology fields of manufacturers.
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.
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
-
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 materials are available for the cylinder body?
- The cylinders are constructed from corrosion-resistant 316L stainless steel. Additionally, 304L and Alloy 400 stainless steel materials are available.
- What is the working pressure rating?
- The standard working pressure is up to 3000 psi (206 bar). The burst pressure is typically tested up to 4500 psi or higher, which is more than 1.5 times the working pressure.
- Are the cylinders customizable?
- Yes, flexible customization is available. Options include customizing working pressure, media type, tube size (1/4 to 1/2 Inch), ports size (1/4 Inch), and end configurations.
- What certifications does the product comply with?
- The product is compliant with TPED, DOT, and ISO standards, depending on the specific model and region.
- How is the quality ensured before shipment?
- Each cylinder is hydrostatically tested to at least 5/3 times the working pressure and undergoes 100% leak testing with Nitrogen or Helium.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- What are the payment terms?
- The accepted terms of payment are LC (Letter of Credit) and T/T (Telegraphic Transfer).
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