一、法蘭閘閥特點:
公稱壓力PN(MPa) 殼體 試驗壓力 (MPa) 上密封 密封 (液) 密封 (氣) 1.6 2.4 1.76 0.6 1.76 2.5 3.75 2.75 0.6 2.75 4.0 6.0 4.4 0.6 4.4 6.4 9.6 7.04 0.6 7.04 10.0 15.0 11.0 0.6 11.0 16.0 24.0 17.60 0.6
三、法蘭閘閥適用范圍 :
殼體材料 | 適用介質(zhì) | 適用溫度℃ |
碳素鋼(C型) | 水、蒸汽、油品 | ≤425 |
鉻鎳鈦鋼(P型) | 酸類 | ≤200 |
鉻鎳鉬鈦鋼(R型) | ≤200 | |
鉻鉬鋼(I型) | 水、蒸汽、油品 | ≤550 |
四、法蘭閘閥主要零件材料 :
閥體、閥蓋
閘板、閥座 | 閥桿 | 閥桿螺母 | 填料 | 手輪 | |
碳素鋼 | 優(yōu)質(zhì)碳鋼 +硬質(zhì)合金或不銹鋼 | 鉻不銹鋼 | 鋁青銅 | 石墨石棉盤根 | 可鍛鑄鐵 |
鉻鎳鈦鋼 | 不銹鋼、不銹鋼+硬質(zhì)合金 | 鉻鎳鈦不銹鋼 | 鋁青銅 | 漫聚四氟乙 | 可鍛鑄鐵 |
鉻鎳鉬鈦鋼 | 不銹鋼、不銹鋼+硬質(zhì)合金 | 鉻鎳鉬鈦不銹鋼 | 鋁青銅 | 烯石棉盤根 | 可鍛鑄鐵 |
鉻鉬鋼 | 合金鋼 +硬質(zhì)合金 | 鉻鉬鋁鋼 | 鋁青銅 | 柔性石墨 |
五、法蘭閘閥主要尺寸表:
公稱通徑DN | Z41H-16C法蘭閘閥主要外形尺寸和連接尺寸 | |||||||||
L | D | D1 | D2 | b | f | z-d | H | H1 | Do | |
Z440H/Z41Y-10 Z40/Z41Y-16P Z40Z41Y-16R Z40/Z41Y-16P Z40/Z41Y-16R Z40/Z41Y-16I | ||||||||||
15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-14 | 175 | 195 | 120 |
20 | 150 | 105 | 75 | 55 | 14 | 2 | 4-14 | 180 | 205 | 140 |
25 | 160 | 115 | 85 | 65 | 14 | 2 | 4-14 | 210 | 240 | 160 |
32 | 180 | 135 | 100 | 78 | 16 | 2 | 4-18 | 230 | 266 | 180 |
40 | 200 | 145 | 110 | 85 | 16 | 3 | 4-18 | 350 | 405 | 200 |
50 | 230 | 160 | 125 | 100 | 16 | 3 | 4-18 | 358 | 420 | 240 |
65 | 290 | 180 | 145 | 120 | 18 | 3 | 4-18 | 375 | 450 | 240 |
80 | 320 | 195 | 160 | 135 | 20 | 3 | 8-18 | 433 | 528 | 280 |
100 | 350 | 215 | 180 | 155 | 20 | 3 | 8-18 | 502 | 620 | 320 |
125 | 400 | 245 | 210 | 185 | 22 | 3 | 8-18 | 612 | 753 | 360 |
150 | 480 | 280 | 240 | 210 | 24 | 3 | 8-23 | 676 | 847 | 360 |
200 | 600 | 335 | 295 | 265 | 26 | 3 | 12-23 | 820 | 1039 | 400 |
250 | 730 | 405 | 355 | 320 | 30 | 3 | 12-25 | 969 | 1245 | 450 |
300 | 850 | 460 | 410 | 375 | 30 | 3 | 12-25 | 1142 | 1472 | 560 |
350 | 980 | 520 | 470 | 435 | 34 | 3 | 16-25 | 1280 | 1650 | 640 |
400 | 1100 | 580 | 525 | 485 | 36 | 4 | 16-30 | 1452 | 1887 | 640 |
450 | 1200 | 640 | 585 | 545 | 40 | 4 | 20-30 | 1541 | 2011 | 720 |
500 | 1250 | 705 | 650 | 608 | 44 | 4 | 20-34 | 1676 | 2181 | 720 |
600 | 1450 | 840 | 770 | 718 | 48 | 5 | 20-41 | 1810 | 2440 | 800 |
Z440H/Z41Y-25 Z40/Z41Y-25P Z40Z41Y-25R Z40/Z41Y-25P Z40/Z41Y-25R Z40/Z41Y-25I | ||||||||||
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 175 | 195 | 120 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 180 | 205 | 140 |
25 | 120 | 115 | 85 | 65 | 16 | 2 | 4-14 | 21 0 | 240 | 160 |
32 | 140 | 135 | 100 | 78 | 18 | 2 | 4-18 | 230 | 266 | 180 |
40 | 240 | 145 | 110 | 85 | 18 | 3 | 4-18 | 350 | 405 | 200 |
50 | 250 | 160 | 125 | 100 | 20 | 3 | 4-18 | 358 | 420 | 240 |
65 | 270 | 180 | 145 | 120 | 22 | 3 | 4-18 | 375 | 450 | 240 |
80 | 280 | 195 | 160 | 135 | 22 | 3 | 8-18 | 433 | 528 | 280 |
100 | 300 | 230 | 190 | 160 | 24 | 3 | 8-18 | 502 | 620 | 320 |
125 | 325 | 270 | 220 | 188 | 28 | 3 | 8-18 | 612 | 753 | 360 |
150 | 350 | 300 | 250 | 218 | 30 | 3 | 8-23 | 676 | 847 | 360 |
200 | 400 | 360 | 310 | 278 | 34 | 3 | 12-23 | 820 | 1039 | 400 |
250 | 450 | 425 | 370 | 332 | 36 | 3 | 12-25 | 969 | 1245 | 450 |
300 | 500 | 485 | 430 | 390 | 40 | 3 | 12-25 | 1142 | 1472 | 560 |
350 | 550 | 550 | 490 | 448 | 44 | 3 | 16-25 | 1280 | 1650 | 640 |
400 | 600 | 610 | 550 | 505 | 48 | 4 | 16-30 | 1452 | 1887 | 640 |
450 | 650 | 640 | 585 | 545 | 48 | 4 | 20-30 | 1541 | 2011 | 720 |
500 | 700 | 705 | 650 | 608 | 54 | 4 | 20-34 | 1676 | 2181 | 720 |
600 | 800 | 840 | 770 | 718 | 56 | 5 | 20-41 | 1810 |