At Paul Tube Fittings, located in Houston, USA, we pride ourselves on being a top-notch manufacturer and supplier of precision-engineered IS-319 / BS-218 Instrumentation Tube Fittings. These fittings are crafted for high-performance flow control and are designed to operate leak-free in critical applications. We adhere to Indian Standard IS-319 and British Standard BS-218 specifications, ensuring that our products meet global quality standards. Perfect for use in instrumentation, chemical processing, power generation, and the oil & gas sectors, our fittings provide secure connections, resist corrosion, and are easy to install. We offer a wide range of IS-319 / BS-218 fittings, including ferrule fittings, unions, elbows, and connectors, available in various materials and sizes.
When it comes to composition and mechanical properties, our IS-319 / BS-218 Instrumentation Tube Fittings are typically made from brass (following IS-319 Grade I/II) and stainless steel (meeting BS-218 standards). This combination provides a great balance of strength, machinability, and resistance to corrosion. Brass fittings excel in handling pressure and are perfect for non-corrosive environments, while stainless steel options deliver outstanding strength and chemical resistance. Depending on the material, these fittings usually have tensile strengths ranging from 300–600 MPa. At Paul Tube Fittings, we ensure precision tolerances, leak-proof ferrule designs, and compatibility with both metric and imperial tubing, making our fittings ideal for high-integrity fluid control applications.
| Size | 1/16” 1/2” & 1.5MM to 38.1MM |
| Thread | NPT, PT, BST, NPS, PS, BSP |
| Pressure | 6000PSI for Stainless Steel 300/1000/3000PSI for Brass |
| Types | Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories |
| Brass | Cu | Fe | Pb | Zn |
| Min./Max. | 60.0-63.0 | 0.35 | 2.5-3.0 | Rem. |
| Nominal | 61.5 | – | 2.7 | 35.4 |
| Properties | US Customary |
| Melting Point -Liquidus | 1650 F |
| Melting Point -Solidus | 1630 F |
| Density | 0.307 lb/in3at 68 F |
| Electrical Resistivity | 39.90 ohms – cmil/ft @ 68 F |
| Electrical Conductivity | 26 %IACS @ 68 F |
| Thermal Conductivity | 67 Btu · ft/(hr · ft2·oF)at 68F |
| Modulas of Elasticity in Tension | 14000 ksi |
At Paul Tube Fittings, we are the largest supplier, manufacturer, and exporter of IS-319 / BS-218 Instrumentation Tube Fittings in Houston, USA. Our advanced manufacturing facilities, strategically located in the USA, allow us to provide high-quality solutions tailored to your specific requirements. With a substantial inventory of over 16,000 tons of top-grade stainless steel materials, we are well-equipped to meet your needs promptly. Our commitment to excellence and efficiency ensures that we consistently maintain available stock to support your demands.
| STANDARD | WERKSTOFF NR. | UNS |
| IS-319 / BS-218 | 934 | C36000 |
Contact us to get a quick quote for your requirement.
IS-319 / BS-218 Instrumentation Tube Fittings find their place in various industries that demand precise fluid measurement, control, and delivery. You’ll commonly see them in chemical plants, pharmaceutical systems, oil & gas installations, power generation units, and laboratory instrumentation. With Paul Tube Fittings’ IS-319 and BS-218 fittings, you can count on secure connections and reliable performance in all your critical applications.
Please feel free to contact us if you need any further information or for enquiry.
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