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برجسته کردن: | scooter rollers,Scooter plastic parts |
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JOG50 QJ50 2T Check valve Scooter Engine Parts JOG90 NF50 Water-cooled NF50 Check valve Specifications: Check valve There are two kinds of straight and right angle. Straight-way valve with threaded connections installed in the pipeline. Right Angle check valves with threaded connections, flanged plate connections and three forms. Check valve, also known as closed valves or valve packing, it is the same with the one-way valve to prevent reverse flow of oil. But in the