升降式止回閥 不銹鋼H41W升降式止回閥 http://www.fengleigroup.com/zhihuifaxilie/shengjiangshi.html 升降式止回閥 不銹鋼H41W升降式止回閥
當(dāng)介質(zhì)由閥體箭頭所示流向進(jìn)入不銹鋼升降式止回閥閥體，介質(zhì)的壓力作用在閥瓣上產(chǎn)生向上的推力，當(dāng)介質(zhì)推力大于閥瓣重力時，閥門打開。
當(dāng)升降式止回閥閥后介質(zhì)壓力作用在閥瓣上的力加上閥瓣自身重力大于閥前壓力作用在閥瓣上的力時，閥門關(guān)閉，阻止介質(zhì)倒流
中國知名閥門廠http://www.fengleigroup.com上海風(fēng)雷閥門廠
升降式止回閥安裝尺寸、立式升降式止回閥規(guī)格
| 公稱通徑 | 主要外形尺寸和連接尺寸 | ||||||
| L | D | D1 | D2 | b | Z-d | H | |
| H41H-16C H41W-16C H41W-16P H41W-16R H41W-16I | |||||||
| 15 | 130 | 95 | 65 | 45 | 14 | 4-14 | 77 |
| 20 | 150 | 105 | 75 | 55 | 14 | 4-14 | 77 |
| 25 | 160 | 115 | 85 | 65 | 14 | 4-14 | 80 |
| 32 | 180 | 135 | 100 | 75 | 16 | 4-18 | 85 |
| 40 | 200 | 145 | 110 | 85 | 16 | 4-18 | 95 |
| 50 | 230 | 160 | 125 | 100 | 16 | 4-18 | 105 |
| 65 | 290 | 180 | 145 | 120 | 18 | 4-18 | 120 |
| 80 | 310 | 195 | 160 | 135 | 20 | 8-18 | 130 |
旋啟式止回閥 http://www.fengleigroup.com/zhihuifaxilie/xuanqishi.html
升降式止回閥 http://www.fengleigroup.com/zhihuifaxilie/shengjiangshi.html
消聲止回閥 http://www.fengleigroup.com/zhihuifaxilie/xiaosheng.html
立式止回閥 http://www.fengleigroup.com/zhihuifaxilie/lishizhf.html
微阻緩閉止回閥 http://www.fengleigroup.com/zhihuifaxilie/hh44w.html
低溫止回閥 http://www.fengleigroup.com/zhihuifaxilie/dh44y.html
電站焊接止回閥 http://www.fengleigroup.com/zhihuifaxilie/h64y.html
