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生产厂家厂商性质
上海市所在地
不锈钢焊接止回阀
¥360不锈钢止回阀H44W-16P/H44W-25P/H44W-40P
面议法兰升降式止回阀H41H-16C/H41H-25/H41H-40
¥3200不锈钢美标止回阀
面议美标止回阀AH44H-150LB/AH44H-300LB/AH44H-600LB
面议美标旋启式电站止回阀H64Y-1500LB
¥39000微阻球形止回阀HQ45X-10Q/HQ45X-16Q
¥5600卡箍升降式高压止回阀H82Y-250/320/350
¥3800衬氟微阻缓闭止回阀HH44F46-10C/16C
¥9800不锈钢低温止回阀
面议轴流式止回阀ZSH41Y-16C/ZSH41Y-25/40
面议不锈钢升降式止回阀H11W-16P/R/RL
¥60产品介绍:
H44H-16C/H44H-25/H44H-40/H44H-64/H44H-100/H44H-160法兰旋启式止回阀又称单向阀或逆止阀,其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。启闭件靠介质流动和力量自行开启或关闭,以防止介质倒流的阀门叫止回阀。止回阀属于自动阀类,主要用于介质单向流动的管道上,只允许介质向一个方向流动,以防止发生事故。止回阀按结构划分,可分为升降式止回阀、旋启式止回阀和蝶式止回阀三种。升降式止回阀可分为立式和卧式两种。旋启式止回阀分为单瓣式、双瓣式和多瓣式三种。蝶式止回阀为直通式、以上几种止回阀在连接形式上可分为螺纹连接、法兰连接和焊接三种。
主要零件材料:
零件名称 | 材料牌名 | |||
阀体 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
阀盖 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
阀瓣 | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
销轴 | 2Crl3 | 2Crl3 | 1Cr18Ni9Ti | 1Cr18Ni12MO2Ti |
垫片 | 石墨缠绕垫片 | 石墨缠绕垫片 | 聚四氟乙稀缠绕垫片 | 聚四氟乙稀缠绕垫片 |
型号性能规范:
公称压力 PN(MPa) | 壳体材料
| 试验压力(Mpa) | |||||
WCB | ZGCr5Mo(C5) | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | 强度试验 | 液体密封 | 气体密封 | |
1.6 | H44H-16C | H44Y-16I | H44W-16P | H44W-16R | 2.4 | 1.8 |
|
2.5 | H44H-25 | H44Y-25I | H44W-25P | H44W-25R | 3.8 | 2.8 |
|
4.0 | H44H-40 | H44Y-40I | H44W-40P | H44W-40R | 6.0 | 4.4 |
|
6.4 | H44H-64 | H44Y-64I | H44W-64P | H44W-64R | 9.6 | 7.1 |
|
10.0 | H44H-100 | H44Y-100I | H44W-100P | H44W-100R | 15.0 | 11.0 |
|
适用温度 | -29-425℃
| ≤550℃
| -40-200℃
| -40-200℃
| 超出温度范围,请订货时注明
| ||
适用介质 | 水蒸气、油品等 | 水蒸气、油品等 | 硝酸等 | 醋酸等 |
连接尺寸和外形尺寸:
型号 | 公称通径 | 尺寸(mm) | ||||||||
L | D | D1 | D2 | D6 | b | Z-фd | D0 | H | ||
H44H-16C | 40 | 200 | 145 | 110 | 85 | -
| 16 | 4-ф18 | 160 | 150 |
50 | 230 | 160 | 125 | 100 | -
| 16 | 4-ф18 | 185 | 160 | |
65 | 290 | 180 | 145 | 120 | -
| 18 | 4-ф18 | 215 | 175 | |
80 | 310 | 195 | 160 | 135 | -
| 20 | 8-ф18 | 230 | 180 | |
100 | 350 | 215 | 180 | 155 | -
| 20 | 8-ф18 | 260 | 210 | |
125 | 400 | 245 | 210 | 185 | -
| 22 | 8-ф18 | 320 | 235 | |
150 | 480 | 280 | 240 | 210 | -
| 24 | 8-ф23 | 350 | 250 | |
200 | 550 | 335 | 295 | 265 | -
| 26 | 12-ф23 | 420 | 330 | |
250 | 650 | 405 | 355 | 320 | -
| 30 | 12-ф25 | 480 | 380 | |
300 | 750 | 460 | 410 | 375 | -
| 30 | 12-ф25 | 520 | 410 | |
350 | 850 | 520 | 4870 | 435 | -
| 34 | 16-ф25 | 600 | 490 | |
H44H-25 | 40 | 200 | 145 | 110 | 85 | -
| 18 | 4-ф18 | 160 | 150 |
50 | 230 | 160 | 125 | 100 | -
| 20 | 4-ф18 | 185 | 160 | |
65 | 290 | 180 | 145 | 120 | -
| 22 | 8-ф18 | 215 | 175 | |
80 | 310 | 195 | 160 | 135 | -
| 22 | 8-ф18 | 235 | 185 | |
100 | 350 | 230 | 190 | 160 | -
| 24 | 8-ф23 | 270 | 220 | |
125 | 400 | 270 | 220 | 188 | -
| 28 | 8-ф25 | 340 | 248 | |
150 | 480 | 300 | 250 | 218 | -
| 30 | 8-ф25 | 375 | 276 | |
200 | 550 | 360 | 310 | 278 | -
| 34 | 12-ф25 | 435 | 350 | |
250 | 650 | 425 | 370 | 332 | -
| 36 | 12-ф30 | 515 | 410 | |
300 | 750 | 485 | 430 | 390 | -
| 40 | 6-ф30 | 550 | 430 | |
350 | 850 | 550 | 490 | 448 | -
| 44 | 16-ф34 | 620 | 466 | |
H44H-40 | 40 | 200 | 145 | 110 | 85 | 76 | 18 | 4-ф18 | -
| -
|
50 | 230 | 160 | 125 | 100 | 88 | 20 | 4-ф18 | 185 | 169 |
型号 | 公称通径 | 尺寸(mm) | ||||||||
L | D | D1 | D2 | D6 | b | Z-фd | D0 | H | ||
H44H-40 | 65 | 290 | 180 | 145 | 120 | 110 | 22 | 8-ф18 | 215 | 175 |
80 | 310 | 195 | 160 | 135 | 121 | 22 | 8-ф18 | 235 | 185 | |
100 | 350 | 230 | 190 | 160 | 150 | 24 | 8-ф23 | 270 | 220 | |
125 | 400 | 270 | 220 | 188 | 126 | 28 | 8-ф25 | 340 | 248 | |
150 | 480 | 300 | 250 | 218 | 204 | 30 | 8-ф25 | 375 | 270 | |
200 | 550 | 375 | 120 | 282 | 260 | 38 | 12-ф30 | 450 | 342 | |
250 | 650 | 445 | 385 | 345 | 313 | 42 | 12-ф34 | 525 | 401 | |
300 | 750 | 510 | 450 | 408 | 364 | 46 | 4-ф23 | 550 | 423 | |
H44H-64 | 50 | 300 | 175 | 135 | 105 | 88 | 26 | 8-ф23 | 200 | 177 |
65 | 340 | 200 | 160 | 130 | 110 | 28 | 8-ф23 | 225 | 197 | |
80 | 380 | 210 | 170 | 140 | 121 | 30 | 8-ф25 | 250 | 212 | |
100 | 430 | 250 | 200 | 168 | 150 | 32 | 8-ф30 | 315 | 248 | |
125 | 500 | 295 | 240 | 202 | 176 | 36 | 8-ф34 | 365 | 296 | |
150 | 550 | 340 | 280 | 240 | 204 | 38 | 12-ф34 | 410 | 330 | |
200 | 650 | 405 | 345 | 300 | 260 | 44 | 12-ф41 | 480 | 385 | |
250 | 775 | 470 | 400 | 352 | 313 | 48 | 16-ф41 | 565 | 445 | |
300 | 900 | 530 | 460 | 412 | 364 | 50 | 4-ф25 | 600 | 474 | |
H44H-100 | 50 | 300 | 195 | 145 | 112 | 88 | 28 | 8-ф25 | 220 | 210 |
65 | 340 | 220 | 170 | 138 | 110 | 32 | 8-ф25 | 240 | 227 | |
80 | 380 | 230 | 180 | 148 | 121 | 34 | 8-ф30 | 260 | 235 | |
100 | 430 | 265 | 210 | 172 | 150 | 38 | 8-ф34 | 330 | 274 | |
125 | 500 | 310 | 250 | 210 | 150 | 42 | 12-ф34 | 385 | 307 | |
150 | 550 | 350 | 290 | 250 | 204 | 46 | 12-ф34 | 425 | 347 | |
200 | 650 | 430 | 360 | 312 | 260 | 54 | 12-ф41 | 500 | 402 | |
250 | 775 | 500 | 430 | 382 | 313 | 60 | 12-ф41 | 565 | 432 |