日標(biāo)閘閥 | 
| 型號(hào): | Z40H/W Z41H/W | 口徑: | 1/2″-20″ | 
| 壓力: | 150LB-600LB 10K-40K | 材質(zhì): | WCB/304/316/304L/316L | 
閘閥又稱閘板閥或閘門閥,應(yīng)用最廣泛的一種閥門。它是通過(guò)閘板的升降來(lái)控制閥門的啟閉,閘板垂直于流體方向,改變閘板與閥座間相對(duì)位置即可改變通道大小。
閘閥具有以下優(yōu)點(diǎn):
1、流體阻力小 , 密封面受介質(zhì)的忡刷和侵蝕小。 
2、開(kāi)閉較省力。 
3、介質(zhì)流向不受限制 , 不擾流、不降低壓力。 
4、形體簡(jiǎn)單 , 結(jié)構(gòu)長(zhǎng)度短,制造工藝性好,適用范圍廣。 
主要零件及材質(zhì)
| 
 NO.  | 
 零件名稱  | 
 Qty.  | 
 材料  | 
 NO.  | 
 零件名稱  | 
 Qty.  | 
 材料  | 
| 
 1  | 
 閥體  | 
 1  | 
 WCB  | 
 13  | 
 壓母  | 
 1  | 
 1035  | 
| 
 2  | 
 閥座  | 
 2  | 
 A105+HF  | 
 14  | 
 手輪  | 
 1  | 
 60-40-189  | 
| 
 3  | 
 閘板  | 
 1  | 
 WCB+F6  | 
 15  | 
 鎖母  | 
 1  | 
 A29 1035   | 
| 
 4  | 
 閥桿  | 
 1  | 
 A182 F6   | 
 16  | 
 油杯  | 
 1  | 
 A570 Gr.A   | 
| 
 5  | 
 墊片  | 
 1  | 
 08F不銹鋼+柔性石墨  | 
 17  | 
 螺栓  | 
 2  | 
 A193 B7   | 
| 
 6  | 
 閥蓋  | 
 1  | 
 WCB  | 
 18  | 
 螺母  | 
 2  | 
 A194 2H  | 
| 
 7  | 
 密封座  | 
 1  | 
 A276 410   | 
 19  | 
 銷軸  | 
 2  | 
 A29 1035   | 
| 
 8  | 
 填料  | 
 1  | 
 柔性石墨+不銹鋼  | 
 20  | 
 開(kāi)口銷  | 
 2  | 
 A570 Gr.A   | 
| 
 9  | 
 填料  | 
 4-5  | 
 21  | 
 螺柱  | 
 A193 B7   | ||
| 
 11  | 
 壓套  | 
 1  | 
 A276 410   | 
 22  | 
 螺母  | 
 | 
 A194 2H   | 
| 
 12  | 
 壓板  | 
 1  | 
 WCB  | 
 23  | 
 鉚釘  | 
 2  | 
 304  | 
| 
 13  | 
 閥母  | 
 1  | 
 D-2  | 
 24  | 
  
 銘牌  | 
 1  | 
  
 304  | 
主要連接尺寸及重量
| 
 NPS d  | 
 in  | 
 2  | 
 2-1/2  | 
 3  | 
 4  | 
 5  | 
 6  | 
 8  | 
 10  | 
 12  | 
 14  | 
 16  | 
 18  | 
 20  | 
24 | 
| 
 mm  | 
 51  | 
 64  | 
 76  | 
 102  | 
 127  | 
 152  | 
 203  | 
 254  | 
 305  | 
 337  | 
 387  | 
 438  | 
 489  | 
591 | |
| 
 L 
(BF)  | 
 in  | 
 7.00  | 
 7.50  | 
 8.00  | 
9.00 | 10.00 | 10.50 | 11.50 | 13.00 | 14.00 | 15.00 | 16.00 | 17.00 | 18.00 | 20.00 | 
| 
 mm  | 
 178  | 
 190  | 
203 | 229 | 254 | 267 | 292 | 33 | 356 | 381 | 406 | 432 | 457 | 508 | |
| 
 L1 
(BW)  | 
 in  | 
 8.50  | 
 9.50  | 
11.14 | 12.0 | 15.00 | 15.88 | 16.50 | 18.00 | 19.76 | 22.50 | 24.00 | 26300 | 28.00 | 32.00 | 
| 
 mm  | 
 216  | 
 241  | 
283 | 305 | 381 | 403 | 419 | 457 | 502 | 572 | 610 | 660 | 711 | 813 | |
| 
 L2 
(RTJ)  | 
 in  | 
 7.50  | 
 8.00  | 
8.50 | 9.50 | 10.50 | 11.00 | 12.00 | 13.50 | 14.50 | 15.50 | 16.50 | 17.50 | 18.50 | 20.50 | 
| 
 mm  | 
 191  | 
 203  | 
216 | 241 | 267 | 279 | 305 | 3543 | 368 | 394 | 419 | 445 | 470 | 521 | |
| 
 d1 
 | 
 in  | 
 3.62  | 
 4.13  | 
5.00 | 6.18 | 7.32 | 8.50 | 10.63 | 12.76 | 15.00 | 16.26 | 18.50 | 20.98 | 22.90 | 27.24 | 
| 
 mm  | 
 92  | 
 105  | 
127 | 157 | 186 | 216 | 270 | 324 | 381 | 413 | 470 | 533 | 584 | 692 | |
| 
 d2 
 | 
 in  | 
 4.75  | 
 5.50  | 
6.00 | 7.50 | 8.50 | 9.50 | 11.85 | 4.25 | 17.00 | 18.75 | 21.25 | 22.75 | 25.00 | 29.50 | 
| 
 mm  | 
 120.5  | 
 139.5  | 
152.5 | 190.5 | 216 | 241.5 | 298.5 | 362 | 432 | 476 | 540 | 578 | 635 | 749.5 | |
| 
 D 
 | 
 in  | 
 6.00  | 
 7.00  | 
7.50 | 9.00 | 10.00 | 11.00 | 13.50 | 16.00 | 19.00 | 21.00 | 23.50 | 25.00 | 27.50 | 32.00 | 
| 
 mm  | 
 152  | 
 178  | 
190 | 229 | 254 | 279 | 343 | 406 | 483 | 533 | 597 | 635 | 699 | 813 | |
| 
 b 
 | 
 in  | 
 0.75  | 
 0.88  | 
0.94 | 0.94 | 0.94 | 1.00 | 1.13 | 1.19 | 1.25 | 1.38 | 1.44 | 1.56 | 1.69 | 1.88 | 
| 
 mm  | 
 16  | 
 17.5  | 
19 | 24 | 25 | 26 | 29 | 31 | 32 | 35 | 37 | 40 | 43 | 48 | |
| 
 n-Φd 
 | 
 in  | 
 4-0.75  | 
 4-0.75  | 
 4-0.75  | 
 8-0.75  | 
 8-0.87  | 
 8-0.87  | 
 8-0.87  | 
 12-1.00  | 
 12-1.00  | 
 12-1.13  | 
 16-1.13  | 
 16-1.25  | 
 20-1.25  | 
20-1.38 | 
| 
 mm  | 
 4-19  | 
 4-19  | 
 4-19  | 
 8-19  | 
 8-22  | 
 8-22  | 
 8-22  | 
 12-25  | 
 12-25  | 
 12-29  | 
 16-29  | 
 16-23  | 
 20-32  | 
20-35 | |
| 
 H 
(open)  | 
 in  | 
 15.20  | 
 17.3  | 
19.02 | 23.11 | 26.50 | 30.20 | 37.60 | 45.12 | 52.28 | 59.80 | 67.76 | 74.80 | 83.31 | 97.64 | 
| 
 mm  | 
 386  | 
 435  | 
483 | 587 | 673 | 767 | 955 | 1146 | 1328 | 1519 | 1721 | 1900 | 2116 | 2480 | |
| 
 W 
 | 
 in  | 
 7.87  | 
 7.87  | 
9.84 | 9.84 | 11.81 | 11.81 | 13.78 | 17.72 | 19.68 | 18.11 | 18.11 | 18.11 | 24.02 | 24.02 | 
| 
 mm  | 
 200  | 
 200  | 
250 | 250 | 300 | 300 | 350 | 450 | 500 | 460 | 460 | 460 | 610 | 610 | |
| 
 WT(kg) 
 | 
 BF  | 
 20  | 
 30  | 
23 | 53 | 71 | 85 | 136 | 220 | 323 | 387 | 553 | 660 | 810 | 1250 | 
| 
 BW  | 
 17  | 
 26  | 
29 | 46 | 66 | 77 | 116 | 202 | 294 | 350 | 506 | 575 | 720 | 1130 | 





