𝐍𝐎𝐓𝐄 - The hose coupling you receive is marked with two sizes: 1" and 1 5/32". 1 5/32" = coupling bowl bore size on the end that connects to the fire hose, 1" NST = nominal inside diameter of fire hose: 1", NOT the thread outer diameter. When buying adapters, do not use 1 5/32" for adapter selection, please select adapters labeled 1" NST.

𝟏" 𝐈𝐃 𝐅𝐈𝐑𝐄 𝐇𝐎𝐒𝐄 - The package you received includes: 1" ID x 100 FT single jacket TPU fire hose and M × F NST/NH brass couplings. These couplings are made of brass, which is corrosion-resistant, high-temperature ductile, and low magnetic permeability. The hose length options we offer you are: 25 FT, 50 FT and 100 FT.

𝐎𝐔𝐓𝐒𝐓𝐀𝐍𝐃𝐈𝐍𝐆 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄 - The jacket of the firefighter hose is made of 100% Virgin Polyester, which is abrasion-resistant and flex-resistant, and can be bent arbitrarily to ensure smooth water flow. The lining is made of Polyurethane (TPU) tube, which is super tough, has high insulation property and chemical resistance.

𝐒𝐔𝐈𝐓𝐀𝐁𝐋𝐄 𝐅𝐎𝐑 𝐀𝐋𝐋 𝐒𝐄𝐀𝐒𝐎𝐍𝐒 - The service pressure of the single jacket fire hose is 250 PSI/17 Bar and the minimum burst pressure is 750 PSI/51 Bar. The temperature range that the hose can withstand is: -40℉~+140℉ (–40℃~+60℃). Whether it is a cold winter or a hot summer, the fire hose can maintain a stable and safe working state without affecting performance due to temperature changes.

𝐄𝐗𝐂𝐄𝐋𝐋𝐄𝐍𝐓 𝐂𝐄𝐑𝐓𝐈𝐅𝐈𝐂𝐀𝐓𝐈𝐎𝐍 - Strictly certified by authoritative industry standards, ZYfire fire hose complies with international safety and quality specifications. With reliable and stable quality, it has been successfully exported to more than 80 countries and regions such as the United States, Canada and Europe, meeting commercial, industrial and emergency fire protection standard requirements.