Introducing Seelong's TF421, a high-quality, affordable aluminum alloy handle type quick connect coupling for high-pressure applications, certified with CMC, ISO9001, and CE, featuring an operating pressure of 0-70bar, and operating temperature of -15℃ to +100℃, suitable for regular fluid or non-corrosive gas, with a leakage rate of 10-4 Pa×m3/s, and a wide range of applications in industries such as engine testing, new energy testing, and more, welcome to visit our website!