閥真空釋放時:當貯倉或灰?guī)靸?nèi)壓力低于大氣壓時,在貯倉或灰?guī)靸?nèi)產(chǎn)生真空,當真空值降到與閥選定的真空值時
真空壓力釋放閥 http://www.hbzhan.com/st35288/product_11182953.html 1
http://www.hbzhan.com/st35288/product_9789652.html 1
508 http://www.hbzhan.com/st35288/sale_8189918.html 1
http://www.hbzhan.com/st35288/Product_13743438.html
http://www.hbzhan.com/st35288/Product_16891117.html
http://www.hbzhan.com/st35288/Product_15609363.html
http://www.hbzhan.com/st35288/Product_16543461.html