شير غیر قابل برگشت سری NRV (جدید)



Character:

1、There are many port size to be choosen 1/8"、1/4"、3/8"、 1/2"、3/4"、1";2、It allowes the fluid to flow the in port to the out port, but not reverse;
3、 Can be used to prevent counter flow caused by pressure decrease due to air source pressure decrease or air consumption increase;
4、There is large valid area of section;5、The spool is made of POM, valve's  crater is sealed by rubber, and have a compact structure.



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