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Cast Steel Check Valve
Product Name：
 Cast Steel Check Valve
Description：
 止回閥(check valve)又稱單向閥或逆止閥，它的啟閉件是靠介質流動和力量自行開啟或關閉，其作用是防止管路中的介質倒流。
　　止回閥的安裝應注意以下事頂：
1、在管線中不要使止回閥承受重量，大型止(zhi)回(hui)閥(fa)應獨立支撐，使之不受管道系統產生的壓力影響。
2、安裝時注意介質流動的方向應與閥體所標箭頭方向一致。
3、升降式垂直瓣止回閥應安裝在垂直管道上。
4、升降式水平瓣止回閥應安裝在水平管道上。
北澤閥門(men)產品有：
1.升降式止回(hui)閥(fa)：材質有鑄鐵、鑄鋼、不銹鋼、鉻鉬鋼；壓力：1.0-16Mpa；連接方式有螺紋連接、法蘭連接、焊接；公稱通經：DN25-1200
如：鑄鋼升降式止回閥H41H-16C；不銹鋼升降式止回閥H41W-16P；水泵底閥H42W-10/H42H-16C/H42W-16P
消聲止回閥HC41T-10；靜音式止回閥H42T-10；球形止回(hui)閥HQ41X-10；立式襯氟止(zhi)回閥H42F-10； 襯氟升降式止回閥H41F46-16C；對夾消聲止回閥H71T-10；焊接式止回閥H61H/Y-160
2.旋啟式止回閥：材質有鑄鐵、鑄鋼、不銹鋼、鉻鉬鋼；壓力：1.0-16Mpa；連接方式有螺紋連接、法蘭連接、焊接；公稱通經：DN25-1200
如：鑄鋼旋啟式止回閥(fa)H44H-16C；不銹鋼旋啟式止回閥H44W-16P；鑄鐵旋啟式止回(hui)閥H44T-10； 橡膠瓣旋啟式止回閥HC44X-10；螺紋連接旋啟式止回閥H14H-16C/H14W-16P/H14T-10，H74W/F-16P。
3.蝶式止回閥：材質有鑄鐵、鑄鋼、不銹鋼、鉻鉬鋼；壓力：1.0-16Mpa；連接方式有螺紋連接、法蘭連接、焊接；公稱通經：DN25-1200 
 

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