蝶形彈簧式安全閥(A42Y-A62Y)產品結構圖
蝶形彈簧式安全閥(A42Y-A62Y)用途
A42Y/A62Y蝶形彈簧式安全閥適用於火力發電廠（站）蒸汽介質設備和管路上，作為超壓保護裝置。當設備和管路內壓力超過允許值時，閥門自動開啟，全量排放；當壓力降到規定值時，閥門自動快速關閉，保證設備和管路安全、有效運行。
蝶形彈簧式安全閥(A42Y-A62Y)主要性能規範 | ||||||
Type | Nominal pressure | Test pressure Ps(MPa) | Working pressure p(MPa) | Working temperature | 試驗溫度 Test | |
Seal | Strength | |||||
A62Y-P54100V | 10 | 11 | 15 | 10 | 540 | 常溫 |
A62Y-P31112 | 11.2 | 12.4 | 16.8 | 11.2 | 318 | |
A62Y-P55140V | 14 | 15.4 | 21 | 14 | 555 | |
A42Y-P55170V | 17 | 18.7 | 25.5 | 17 | 555 | |
A42Y-P5526V | 2.6 | 2.9 | 3.9 | 2.6 | 555 | |
A42Y-P4545 | 4.5 | 5 | 6.8 | 4.5 | 450 | |
A42Y-P3326.5 | 2.7 | 3 | 4.1 | 2.7 | 330 | |
蝶形彈簧式安全閥(A42Y-A62Y)主要零部件材料 | |||||||||||||||
零件名稱 Name of part | 閥體 Body | 閥蓋 Bonnet | 閥杆 Stem | 蝶形彈簧 Butterfly soring | |||||||||||
A62Y-P54100 | ZG15Cr1Mo1V | ZG25 | 38CrMoA1A | 60Si2MnA | |||||||||||
A62Y-P31112V | ZG25 I | ||||||||||||||
A62Y-P55140V，A62Y-P55170V，A42Y-P5526V | ZG15Cr1Mo1V | 20Cr1Mo1V1 | |||||||||||||
A42Y-P4545，A42Y-P3326.5 | ZG25 I | ||||||||||||||
蝶形彈簧式安全閥(A42Y-A62Y)外形尺寸和連接尺寸 | |||||||||||||||
Type | Diameter | Dimensions(mm) | |||||||||||||
Do | D | D1 | D2 | D3 | D6 | b | Z- d | H1 | H2 | ||||||
A62Y-P54100V | 70/80 | 70 | - | - | 88 | 150 | - | - | - | 1,575 | 347 | ||||
A62Y-P31112 | 70/80 | 70 | - | - | 88 | 150 | - | - | - | 1,575 | 347 | ||||
A62Y-P55140V | 70/80 | 70 | - | - | 89 | 170 | - | - | - | 1,644 | 375 | ||||
A42Y-P55170V | 75/100 | 75 | - | - | 100 | 190 | - | - | - | 1,705 | 380 | ||||
A42Y-P5526V | 110/150 | 110 | 350 | 290 | - | - | 204 | 46 | 12-34 | 2,067 | 480 | ||||
A42Y-P4545 | 110/150 | 110 | 350 | 290 | - | - | 204 | 46 | 12-34 | 2,070 | 480 | ||||
A42Y-P3326.5 | 110/150 | 110 | 350 | 290 | - | - | 204 | 46 | 12-34 | 2,067 | 480 | ||||
