閘閥又稱閘板閥或閘門閥,應(yīng)用zui廣泛的一種閥門。它是通過閘板的升降來控制閥門的啟閉,閘板垂直于流體方向,改變閘板與閥座間相對位置即可改變通道大小。
| 執(zhí)入標(biāo)準(zhǔn)Administer standard |
| ● 制造與驗(yàn)收技術(shù)條件按日本火力發(fā)電用閥門標(biāo)準(zhǔn)E101和JB/T3595-93的規(guī)定; |
| ● 結(jié)構(gòu)長度按E101的規(guī)定或按用戶提供尺寸 |
| ● 焊接坡口接電力工業(yè)管理標(biāo)準(zhǔn)78DG的規(guī)定或按用戶提供尺寸。 |
| ● The manufalture and aueptanle specigication shan be based on the japanese standard E101 applied for the thermal powerand JB/T3595-93 |
| ● The length shall bein line with E101 or by user’s speeification. |
| ● Welding groove shan be in auordanle with power industrh spe-cification 78DG or hg user’ specification |
| ● The size in inclose is old production’s size |
| 性能規(guī)范Property and specifiecation |
| 產(chǎn)品型號 Product type公稱壓力PN(MPa)Nominal pressure | 試驗(yàn)壓力(MPa)Test pressure | 工作壓力(MPa)Working pressure | 工作溫度(℃)Working temperature | 適用介質(zhì)Appicable medium |
| 強(qiáng)度試驗(yàn)Sheel test | 密封試驗(yàn)/上密封實(shí)驗(yàn)Seal test |
| Z960Y-250 | 25 | 37.5 | 27.5 | - | ≤425 | 水、蒸汽、Water,steam |
| Z960Y-320 | 32 | 48.0 | 36.0 | - | ≤425 |
| Z960Y-P54100 | - | 30.0 | 22.0 | P5410 | ≤540 | 蒸汽 Steam |
| Z960Y-P54170 | - | 48.0 | 36.0 | P5417 | ≤540 |
| 主要零件材料Matecrial for main parts |
| 零件名稱Part name | 材料牌號Material designation |
| 閥體Body | WCB | WC6 | WC9 |
| 閥板Disc | WCB | WC6 | WC9 |
| 閥蓋Bonnet | 25 | 12Cr1Mo1VA |
| 閥桿Stem | 1Cr17Ni2 | 20Cr1Mo1VA |
| 閥座Seat | 25 | 12Cr1Mo1VA |
| 密封環(huán)Sealing ring | S軟鋼(增強(qiáng)柔性石墨)S soft steel (flexible graphite) | S軟鋼S soft steel | F軟鋼F Soft steel |
| 填料Packing | 增強(qiáng)柔性石墨Fexible graphite |
| 支架Yoke | WCB | WCB或WC6 |
| 閥桿螺母Stem nut | 45(ZCuZn25A16Fe3Mn3) |
| 四開環(huán)Four piece ring | 1Cr13 | 20Cr1MoVA | |
| 主要尺寸及重量Main dimensions and weight |
| 公稱通徑DNNominal diameter | 主要外形尺寸和連接尺寸(mm)Main external and connecting dimensions | 電動裝置Electric dewice | 重量(kg)Weight |
| d | L | H | L1 | L2 |
| Z960Y-250 |
| 100 | 84 | 406 | 1164 | 437 | 277 | DZW45 | 234 |
| 125 | 100 | 483 | 1402 | 437 | 277 | DZW60 | 343 |
| 175 | 158 | 711 | 1650 | 554 | 309 | DZW180 | 638 |
| 225 | 200 | 864 | 1650 | 554 | 309 | DZW180 | 654 |
| 300 | 280 | 1067 | 2106 | 764 | 398 | DZW350 | 1973 |
| Z960Y-320 |
| 100 | 96 | 533 | 1236 | 437 | 277 | DZW60 | 291 |
| 125 | 118 | 610 | 1302 | 437 | 277 | DZW60 | 315 |
| 150 | 148 | 762 | 1403 | 526 | 283 | DZW90 | 672 |
| 175 | 148 | 762 | 1650 | 554 | 309 | DZW180 | 684 |
| 225 | 222 | 1041 | 1650 | 554 | 309 | DZW180 | 696 |
| Z960Y-P54100V |
| 175 | 148 | 762 | 1650 | 554 | 309 | DZW180 | 683 |
| 225 | 222 | 1041 | 1650 | 554 | 309 | DZW180 | 704 |
| 250 | 222 | 1041 | 1795 | 554 | 309 | DZW180 | 1214 |
| 300 | 294 | 1245 | 2080 | 554 | 309 | DZW250 | 2125 |
| Z960Y-P54170V |
| 125 | 98 | 630 | 1230 | 437 | 277 | DZW60 | 312 |
| 225 | 186 | 1060 | 1680 | 554 | 309 | DZW180 | 1401 |
| 300 | 278 | 1397 | 2265 | 764 | | DZW500 | 2834 |
| 325 | 310 | 1448 | 2265 | 690 | 398 | DZW500 | 2632 |
| 350 | 338 | 1550 | 2536 | 715 | | | |