安全閥整定壓力分級

公稱壓力（MPA)        整定壓力分級

1.6：     0.06-0.1   0.1-0.16   0.16-0.25   0.25-0.4    0.4-0.6  0.6-0.8   0.8-1.0   1.0-1.3   1.3-1.6

2.5：      〉1.3-1.6   〉1.6-2.0   〉2.0-2.5

4.0：     〉1.3-1.6     〉1.6-2.0   〉2.0-2.5   〉2.5-3.2   〉3.2-4.0

6.4：     〉2.5-3.2     〉3.2-4.0    〉4.0-5.0  〉5.0-6.4

10.0：   〉4.0-5.0    〉5.0-6.4    〉6.4-8.0   〉8.0-10.0

16.0      〉10-13      〉13-16

32.0      〉16-19      〉19-22       〉22-25     〉25-29    〉29-32

開啟壓力按要求設定

SKU:帶扳手彈簧全啟式安全閥(A48Y) Description: 系列Series A48Y-16C A48Y-25 A48Y-40 A48Y-64 A48Y-100 A44Y-16C A44Y-25 A44Y-40 A44Y-64 A44Y-100 A44Y-16P A44Y-25P A44Y-40P A44Y-64P A44Y-100P A44Y-16R A44Y-25R A44Y-40R A44Y-64R A44Y-100R  A48Y型適用于工作溫度≤350℃的蒸汽、空氣等介質的設備和管路上。A44Y適用于工作溫度≤300℃的空氣、石油等介質的設備或管路上，作為超壓保護裝置。連接法蘭標準PN<6.4MPa按JB/T-94系例1。PN≥6.4MPa按JB/T-94系列2標準。         A48Y type are usedfor the equipment and pipeline of the with steam and air etc  medium what the working temperature  are less than 350 . A44Y type are used for the equi-pment and pipeline of the with air and petroleum gas medium what the working temperature are less than 300 , Take for extra pre-ssure protection devices. Flange  connecting dimensions of comply with Standard series first of JB/T-94 when the pressure less than 6.4MPa, comply with Standard series  two of  JB/T-94 when more than 6.4MPa. 主要零部件材料Materials for main parts NO. Name of part A48Y-C A44Y-C   材料Materials A44Y-P   材料Materials A44Y-R材料Materials 1 閥       體Body WCB ZG1Cr18Ni9Ti CF8M 2 閥       座Nozzle 2Cr13 1Cr18Ni9Ti 316 3 調 節 圈Adjusting ring ZG2Cr13 ZG1Cr18Ni9Ti 0Cr18Ni12Mo2Ti 4 反 沖 盤Disc holder ZG2Cr13 ZG1Cr18Ni9Ti 316 5 閥       瓣Disc 2Cr13 1Cr18Ni9Ti 316 6 導 向 套Guide sleeve 2Cr13 1Cr18Ni9Ti 0Cr18Ni12Mo2Ti 7 閥       蓋Bonnet ZG230-450 ZG230-450 ZG230-450 8 彈       簧Spring 50CrVA 50CrVA包覆氟塑料Coated Teflon 50CrVA包覆氟塑料Coated Teflon 9 閥       桿Stem 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti 10 扳       手Lever ZG200-400 ZG200-400 ZG200-400 11 調整螺桿Adjusting bolt 45 2Cr13 2Cr13 12 保 護 罩Cap ZG200-400 ZG200-400 316 密封面材料Sealing surface of material 堆焊Co基硬質合金Depositing stellite 外形尺寸和連接尺寸Dimensions (mm)     Type (DN) do D K g g1  b f f1 Z- d DN' D1  k1  g3  g2      b1  f' f1' Z1-    d1      L     L1      H     A48Y-16C A44Y-16C A44Y-16P A44Y-16R 20 15 105 75 55 16 2 4-14 25 115 85 65 16 2 4-14 110 95 411 25 16 115 85 65 16 2 4-14 32 140 100 78 18 2 4-18 110 95 411 32 20 140 100 78 18 2 4-18 40 150 110 85 18 3 4-18 115 100 411 40 25 150 110 85 18 3 4-18 50 165 125 100 20 3 4-18 120 110 472 50 32 165 125 100 20 3 4-18 65 185 145 120 20 3 4-18 135 120 532 65 40 185 145 120 20 3 4-18 80 200 160 135 20 3 8-18 160 140 556 80 50 200 160 135 20 3 8-18 100 220 180 155 22 3 8-18 170 135 561 100 65 220 180 155 20 3 8-18 125 250 210 185 22 3 8-18 195 175 667 125 80 250 210 185 22 3 8-18 150 285 240 210 24 3 8-23 210 190 857 150 100 285 240 210 24 3 8-23 175 310 270 240 26 3 8-23 255 230 915 200 125 340 295 265 26 3 12-23 250 405 355 320 30 3 12-26 300 260 1,073 250 150 405 355 320 30 3 12-26 300 460 410 375 30 4 12-26 350 320 1,307 300 220 460 410 375 30 4 12-26 400 580 525 485 36 4 16-30 370 350 1,233 350 250 520 470 435 34 4 16-26 500 715 650 608 44 4 20-34 500 450 1,711 400 280 580 525 485 36 4 16-30 500 715 650 608 44 4 20-34 500 450 1,780