CHANPINYONGTU

H42Y、H42W 型升降立式止回閥正常處于關閉狀態，由于管線中進口端介質的壓力作用，而克服彈簧阻力使閥門開啟。當進口端介質壓力低于出口端時，彈簧將閥芯推向閥座而使閥門關閉，阻止介質逆流，故起止回作用。
H42Y、H42W 型升降立式止回閥種類  NRVG靜音式  材質  不銹鋼  

LIANJIEXINGSHI  FALAN  JIEGOUXINGSHI  SHENGJIANGSHI  

GONGCHENGTONGJING  15-800（mm）    SHIYONGJIEZHI  SHUI  

XINGTAI  DIESHI  YALIHUANJING  CHANGYA  

BIAOZHUN  GUOBIAO  LIUDONGFANGXIANG  DANXIANG  

QUDONGFANGSHI  SHUILIKONGZHI  GONGZUOWENDU  CHANGWEN  

LEIXING(TONGDAOWEIZHI)  ERTONGSHI      

H42Y、H42W 型升降立式止回閥材質

CAIZHI HEJINGANG LIANJIEXINGSHI FALAN

JIEGOUXINGSHI SHENGJIANGSHI XINGHAO H42Y、H42W

GONGCHENGTONGJING 15-40（mm）  XINGTAI ZHUSAISHIYALIHUANJING 16Mpa BIAOZHUN GUOBIAO

LIUDONGFANGXIANG ZUZHIJIEZHINILIU QUDONGFANGSHI SHOUDONG

GONGZUOWENDU CHANGWEN LEIXING(TONGDAOWEIZHI) ZHITONGSHI