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结构特点及用途
1、压力损失小:全开时水损为零,流道完全畅通,且介质不会沉积在阀体中腔内。
2、耐颗粒磨损: V形开口的球冠与金属阀座之间具有剪切作用,在关闭过程中,只在最后一刻球冠才靠向阀座,不形成磨擦,且阀座用耐磨的镍合金制成,不易被冲刷磨损,因而适用于含纤维、微小固体颗粒、浆等。
3、适合高流速介质:直通流道,坚固的偏心一曲轴使之适合高流速且无振动。
4、寿命长:无易损部件,由于偏心作用,阀门启闭时密封面间无磨擦,则使用寿命长。
5、维修方便:阀门维修时不需从管路上拆下,只要打开阀盖即可进行维修。
6、广泛适用于水、污水、含微小固体颗粒、水、蒸汽、煤气、天然气、油品等。
主要零件材料
Body,Bor | GB | NOE | c 【F | * :N12Mo2T | Z315CMmiN | |||||
M | WCE | CFE | CFBN | WOE | ||||||
GB | ZG2Cr13 | ZG1Cr18Ni9Ti/ 表面特殊处 | ZGOCr18Ni12MoTi/ 去 面 特 殊 处 理 | ZG15Cr1Mo1V 表面特殊处理 | ||||||
ASTM | CA15 | CF8+HF | CF8M+HF | WCg+H | ||||||
GB | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti | 25Cr2Mo2V | ||||||
ASTM | 420 | 304 | 316 | F224 | ||||||
GB | PTFE | 2Cr₁3 | PTFE | 1Cr18Ni9Ti | PTFE | DCr18Ni12Mo2Ti | D517 | |||
ASTM | PTFE | 420 | PTFE | 304 | PTFE | 316 | HF | |||
Packing | GB | PTFE | 疆 lex | nite | PTFE | lex gr aphit | PTFE | 柔性石愚 AovH1 g | ||
ASTM | PTFE | lex | 王石 gr | hite | PTFE | 柔性石墨 lex e graohin | PTFE | hite | ||
GB | 35 | 0Cr18Ni9 | DCr18Ni9 | 5Cr1Mo1V | ||||||
ASTM | A193 B7 | A320-B8 | A320-B8 | A193 B16 | ||||||
GB | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 20CrMo | ||||||
ASTM | A1942H | A194-8 | A194-8 | A194-4 |
SPQ47F/H/Y-16/25 SPQ347F/H/Y-16/25 SPQ647F/H/Y-16/25 SPQ947F/H/Y-16/25
主要连接尺寸
外 长 E 十 | 连 接 尺 寸 C o n ectlnn clm | enlonslmm] | 密 封 面 S e a l i n g | 法兰厚成 | EH | ||||||
L | D | K | f :m 数量aty(n)规出 & | d | |||||||
N | |||||||||||
1.6MPa |
g | 178 | 165 | 125 | M16 | 99 | 20 | 44 | |||
8 | 190 | 185 | 145 | M16 | 18 | 20 | 104 | ||||
8 | 203 | 200 | 132 | 20 | 120 | ||||||
8 | 229 | 220 | 1 | Mie | 156 | 22 | 140 | ||||
125 | 254 | 250 | 210 | M16 | 184 | 22 | 170 | ||||
150 | 267 | 285 | 240 | M20 | 211 | 24 | 190 | ||||
200 | 292 | 340 | 295 | M20 | 268 | 24 | 246 | ||||
250 | 330 | 405 | 355 | M24 | 319 | z | 26 | 296 | 10 | ||
300 | 355 | 460 | 410 | M24 | 370 | n | 28 | 350 | 10 | ||
350 | 450 | 520 | 470 | M24 | 429 | n | 30 | 410 | 10 | ||
40 | 530 | 580 | 525 | M27 | 400 | 32 | 450 | 10 | |||
450 | 580 | 640 | 585 | M27 | 548 | 40 | 516 | 12 | |||
500 | 660 | 715 | 650 | M30 | 609 | 44 | 576 | 12 | |||
600 | 680 | 840 | 770 | M33 | 720 | 54 | 690 | 12 | |||
700 | 900 | 910 | M33 | 794 | 40 | 760 | 12 | ||||
800 | 1000 | 1025 | 90 | M36 | 901 | 42 | 862 | 12 | |||
900 | 1100 | 1125 | 1050 | M36 | 1001 | 44 | 962 | 12 | |||
1000 | 1200 | 1255 | 1170 | M39 | 1112 | 46 | 1076 | 12 | |||
200 | 1300 | 1485 | 390 | M45 | 1328 | 52 | 1282 | 12 | |||
400 | 1500 | 0 | M45 | 58 | 1482 | 12 | |||||
600 | 1800 | 80 | M52 | 64 | 12 | ||||||
1800 | 2100 | M52 | 1950 | 68 | 15 | ||||||
2000 | 2300 | 220 | M56 | 70 | 15 | ||||||
2.5MPa | 50 | 178 | 125 | Ad18 | 99 | 20 | 84 | ||||
65 | 190 | 146 | 118 | 22 | 104 | ||||||
00 | 203 | 160 | M16 | 132 | 24 | 120 | |||||
100 | 229 | 190 | M20 | 156 | 24 | 142 | |||||
125 | 254 | 220 | M24 | 184 | 26 | 162 | |||||
150 | 267 | 250 | M24 | 211 | 28 | 192 | |||||
200 | 292 | 310 | M24 | 274 | 30 | 252 | A | ||||
250 | 330 | 370 | M27 | 330 | 32 | 304 | 10 | ||||
300 | 355 | 430 | M27 | 389 | 34 | 364 | 10 | ||||
350 | 450 | 620 | 490 | M30 | 448 | 38 | 418 | 10 | |||
400 | 530 | 580 | 550 | M33 | 503 | 40 | 472 | 10 | |||
450 | 580 | 640 | 600 | M33 | 548 | 46 | 520 | 12 | |||
500 | 680 | 715 | M33 | 609 | 48 | 580 | 12 | ||||
600 | 680 | 840 | 0 | M36 | 720 | 58 | 684 | 12 | |||
700 | 900 | 910 | 875 | M39 | 820 | 50 | 780 | 12 | |||
800 | 1000 | 1025 | 990 | M45 | 928 | 54 | 882 | 12 | |||
900 | 1100 | 1125 | 1090 | M45 | 1028 | 58 | 982 | 12 | |||
000 | 1200 | 1255 | 1210 | M52 | 1140 | 62 | 1086 | 12 | |||
200 | 1300 | 1485 | 1420 | M52 | 1350 | 70 | 1296 | 12 | |||
400 | 1500 | 1685 | 1640 | M56 | 1560 | 76 | 1508 | 12 | |||
1600 | 1800 | 1930 | 1860 | M56 | 1780 | 84 | 1726 | 12 | |||
2100 | 2130 | 2070 | M64 | 1985 | 90 | 1920 | 15 | ||||
20 | 2300 | 2345 | 2300 | M64 | B | 2150 | 15 |
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