Y型過濾器是輸送介質的管道系統的一種裝置，通常安裝在水力控制閥或其它設備的進口端，用來清除介質中顆粒性雜質，以保護閥門設備的正常使用。Y 型過濾器的過濾網采用不銹鋼雙層網結構，堅固耐用，具有結構*、流阻小、排污方便等特點，可用于水、蒸氣、油品、硝酸、尿素、氧化性介質等多種介質。可根據用戶需要設置過濾網的目數，一般通水網為18-30目，通氣網為40-100目，通油網為100-480目。
二、主要外形與連接尺寸
| 公稱型號 | 公稱通徑 | d | L | o | c | n-φ | g | t |
| 150Lb | 1/2" | 13 | 130 | 89 | 60.5 | 4-15 | 35 | 16 |
| 3/4" | 19 | 150 | 98 | 70 | 4-15 | 43 | 18 | |
| 1" | 25.4 | 160 | 108 | 79.5 | 4-15 | 51 | 18 | |
| 1-1/4” | 32 | 180 | 117 | 89 | 4-15 | 64 | 18 | |
| 1-1/2” | 38.1 | 200 | 127 | 98.5 | 4-15 | 73 | 18 | |
| 2" | 51 | 230 | 152 | 120.5 | 4-19 | 92 | 20 | |
| 2-1/2” | 64 | 290 | 178 | 139.5 | 4-19 | 105 | 22 | |
| 3" | 76 | 310 | 190 | 152.5 | 4-19 | 127 | 24 | |
| 4" | 102 | 350 | 229 | 190.5 | 8-19 | 157 | 24 | |
| 300Lb | 1/2" | 13 | 130 | 95 | 66.5 | 4-15 | 35 | 16 |
| 3/4" | 19 | 150 | 117 | 82.5 | 4-19 | 43 | 16 | |
| 1" | 25.4 | 160 | 124 | 89 | 4-19 | 51 | 18 | |
| 1-1/4” | 32 | 180 | 133 | 98.5 | 4-19 | 64 | 19 | |
| 1-1/2” | 38.1 | 200 | 156 | 114.5 | 4-22 | 73 | 21 | |
| 2" | 51 | 230 | 165 | 127 | 8-19 | 92 | 23 | |
| 2-1/2” | 64 | 290 | 190 | 149 | 8-22 | 105 | 26 | |
| 3" | 76 | 310 | 210 | 168.5 | 8-22 | 127 | 29 | |
| 4" | 102 | 350 | 254 | 200 | 8-22 | 157 | 32 |
