Check Valves can automatically stop the medium backflow, through the force of the medium can open the disc of valves, check valves are open in this condition; through the check valve pressure difference of in and off, under the self-gravity of valve disc etc factors to shut off the hoist parts,in order to prevent the media back.To learn more about VERVO check valves, please send an e-mail to info@vervo.cn or contact us - Tel: 0086-577-57999185.
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