Product Overview
Detailed specification for Nai-Lok DIN477 BS341 Cga 350 320 580 590 Gas Cylinder Adapter BS341 13 14 Air Cylinder System Fittin
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| Model NO. | Tube fittings |
| Material | Stainless Steel |
| Connection | Female |
| Pressure | 3000 Psi |
| Size | 1/8"-2" |
| OEM | Customized |
| Application | Gas Industrial |
| Delivery | Fast Delivery |
| Transport Package | Standard Case |
| Specification | 1/4" FNPT |
| Trademark | NAI LOK |
| Origin | China |
| HS Code | 7307290000 |
Product Description
DIN/BS/CGA Stainless Steel Cylinder Connecto
The DIN/BS/CGA Stainless Steel Cylinder Connector is designed for high-pressure gas systems, constructed from premium stainless steel for superior corrosion resistance, durability, and long service life. Compliant with international CGA/DIN/BS standards, it ensures secure connections between compressed gas cylinders, regulators, or transfer lines. Ideal for industrial, medical, laboratory, and energy applications.
Key Features
Standardized Connection: CGA (Compressed Gas Association) compliant for global compatibility.
High-Pressure Rated: Maximum working pressure 3000 psig (207 bar).
Robust Material: Stainless steel construction resists corrosion and wear.
Leak-Proof Seal: 1/4" NPT male thread ensures a tight, secure fit.
Wide Compatibility: Suitable for inert and reactive gases (O2, N2, Ar, etc.).
Product Parameters
Technical Specifications
| Parameter | Specification |
| Standard | CGA / DIN / BS |
| Connection Type | 1/4" NPT Male Thread |
| Material | Stainless Steel 316 (SS316) |
| Max. Working Pressure | 3000 psig (207 bar) |
| Applications | Cylinder valves, regulators, gas transfer lines |
| Germany(and most European countries)-DIN 477 |
Connector
Type | Connector
Thread | Gas or
Gas Mixture | Remarks |
| DIN477 No.1 | w 21.8x1/14"LH | Hydrogen.Propane | Flammable |
| DIN477 No.2 | w21.8°x1/14"LH | Propane | Flammable |
| DIN477 No.3 | Yoke | Acetylene | Flammable |
| DIN477 No.3.1 | M24×2"LH | Acetylene | Flammable |
| DIN477 No.5 | w1x1/8LH | Carbon Monoxide | Toxic |
| DIN477 No.6 | W 21.8x1/14" | Argon.Helium,Carbon Dioxide | Various |
| DIN477 No.7 | G 5/8" | Sulphur Dioxide | Toxic |
| DIN477 No.8 | w1x1/8" | Boron Trichloride | Toxic |
| DIN477 No.9 | G 3/4" | Oxygen | Oxygen |
| DIN477 No.10 | W24.32×1/14"RH | Nitrogen | Inerts |
| DIN477 No.11 | G 3/8" | Nitrous Oxide(>31 size) | Oxidizer |
| DIN477 No.12 | G 3/4"1NT | Nitrous Oxide(<3I size) | Oxidizer |
| DIN477 No.13 | G 5/8"INT | Air | Non Flammable |
| DIN477 No.14 | M19x1.5LH | Mixtures | Various |
| UK-BS 341 |
Connector
Type | Connector
Thread | Gas or
Gas Mixture | Remarks |
| BS341No.2 | G 5/8"LH | Acetylene | Flammable |
| BS 341No.3 | G5/8"INT | Air,Argon,Neon,Nitrogen | inerts |
| BS 341No.3 | G 5/8"INT | Oxygen | oxidizer |
| BS 341No.4 | G 5/8"LHINT | Acetylene.Hydrogen | Flammable |
| BS 341No.4 | G 5/8"LH INT | Carbon Monoxide,Methane,Natural Gasl | Flammable |
| BS341No.6 | G 5/8" | Chlorine.Hydrogen Chloride | Toxic |
| BS 341No.7 | G5/8"LH | Flammable Refrigerants | Flammable Refrigerants |
| BS 341No.8 | W0.860"x14TPI | Carbon Dioxide | Non Flammable |
| BS 341No.10 | G1/2" | Ammonia | Toxic |
| BS 341No.12 | G1/2" | Sulphur Dioxide | Toxic |
| BS 341No.13 | W11/16°-20 TPl | Nitrous Oxide | oxidizer |
| BS 341No.14 | G 3/8" | Hydrogen Cvanide.Nitric Oxide | Toxic |
| BS 341 No.15 | G 3/8"LH | Carbonyl Sulphide,Hydrogen,Sulphide | Toxic |
| USA&Canada-CGA |
Connector
Type | Connector
Thread | Gas or
Gas Mixture | Remarks |
| CGA110 | G5/8"LH | Acetylene | Flammable |
| CGA170 | G 5/8"INT | Air,Argon,Neon,Nitrogen | Inerts |
| CGA180 | G5/8"INT | Oxygen | oxidizer |
| CGA240 | G 5/8"LH INT | Acetylene,Hydrogen | Flammable |
| CGA296 | G 5/8"LH INT | Carbon Monoxide,Methane,Natural Gas | Flammable |
| CGA 300 | G5/8" | Chlorine,Hydrogen Chloride | Toxic |
| CGA320 | G 5/8"LH | Flammable Refrigerants | Flammable Refrigerants |
| CGA326 | w0.860"x14 TPI | Carbon Dioxide | Non Flammable |
| CGA330 | G1/2" | Ammonia | Toxic |
| CGA346 | G 1/2" | Sulphur Dioxide | Toxic |
| CGA350 | W 11/16"-20 TPI | Nitrous Oxide | oxidizer |
| CGA510 | G3/8" | Hydrogen Cyanide,Nitric Oxide | Toxic |
| CGA540 | G 3/8"LH | Carbonyl Sulphide,Hydrogen,Sulphide | Toxic |
| CGA580 | CGA580 | CGA580 | CGA580 |
| CGA590 | CGA590 | CGA590 | CGA590 |
| CGA660 | CGA 660 | CGA660 | CGA660 |
| CGA679 | CGA679 | CGA679 | CGA679 |
Detailed Photos
Primary ProductNai-Lok DIN477 BS341 Cga 350 320 580 590 Gas Cylinder Adapter BS341 13 14 Air Cylinder System Fittin
Contact PersonMrs.Ada
Minimum Order100 Pieces
PaymentsLC, T/T, PayPal, Western Union
DeliveryContact the supplier about freight and estimated delivery time.
Origin397 Damuqiao Road, Shaxi Town, Taicang City, Suzhou, Jiangsu, China SGS Audit Report No.
PackingCarton Box+Plastic Bag
Inspection
SamplesProvide Samples
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FAQ
Frequently Asked Questions
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Q1: May I get one sample before placing order?
AYes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.
Q2: Which payment is available for your company?
AT/T, L/C or Ali trade insurance. You can choose the one which is convenient for you.
Q3: How and when can I get my goods after payment?
AFor small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery. For large quantity products,shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.
Q4: Is there any possible to use my appointed label or package?
AYes. If needed, we'd like to use label or package according to your requirement.
Q5: How can you guarantee the goods you offer is qualified?
AWe always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.
Q6: Is the price on this page correct?
AThe listed price is only for reference, for latest price, pls contact us directly.
Q7: How can I get some samples?
AWe are honored to offer you free samples, just need to pay the freight cost.
