Products Features * from forged brass * All Nigo 's products conform to specifications ASTM -LRB- American Society for Testing and Materials -RRB- B124 and B16 * NPT threads on all Nigo 's products meet ASME B1 .20.1 * premeditated for use in air, water, oil, nature, factory-made, heterogenous, liquefied petroleum or propane and LP Gas-Air * Use with brass, steel, and iron pipe ; Teflon tape and thread sealant are suggested for rib joints * T-shaped trying on with three openings for connecting three pipes * NPT someone threads for connecting to somebody rib pipes * Temperatures range from -65 to 250 F * Max. : 1000 PSI WOG About Us Nigo commercial enterprise Co ,. Ltd a extended variety of valves and pipe fittings. The company foreign organization for standardization ISO 9001:2015 sound property Management System capacity measure.