Medium-sized regulator is applicable to industrial manufacturing, building, and installation and so on. The design of Duplex gauge has provided convenience for reading of gas cylinder pressure and operating pressure.The gauge: the scope of application of psi and kpa double scales' reading is much wider and more visualized. Theupper cover and main body forged and fashioned from high-quality brass are more reliable, durable and safer, for 70mm pressure gauge, extenal relief valves are equipped and sintered bronze filters are installed at the air inlet.
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