| 主要特點及用途 Chief features and usages |
| 1、結構緊湊、設計合理，閥門剛性好，通道流暢，流阻系數小。 |
| 2、密封面采用不銹鋼和硬質合金，使用壽命長 |
| 3、采用柔性石墨填料、密封可靠、操作輕便靈活 |
| 4、驅動方式分手動、電動、氣動、齒輪傳功，結構型式：彈性楔式單閘板、剛性楔式單閘板和雙閘板型式。 |
| 5、廣泛適用于石油化工，火力發電廠等油品、水蒸汽管路上作接通或截斷管路中介質的啟閉裝置。 |
| 1、Compact structure,neasonnable design,good rigidity,smooth channel,small coefficient of flow resistance. |
| 2、The sealing face uses stainless steel and carbide alloy and is of long duration |
| 3、Using flexible graphite fillings,reliable sealing,light and nimble operation |
| 4、Four driving ways,manually,electrically,air-ioerating and gear-driving,structure type,elastic wedge type with single gate board,right rigi-dwedge type with single or dual-gate board. |
| 5、Widely used as the device of open or close to connect or cut off the medium inside of the pioeline of water,steam or oil goods in steam power plants |
| 主要性能規范 Chief property and specification |
| 試驗壓力Test pressure |
| 公稱壓力PN(MPa) Nominal pressure | 實驗壓力(MPa)Test pressure | |||
| 殼體Shell | 密封(液)Seal | 密封(氣)Seal | 上密封Back seal | |
| 1.6 | 2.4 | 1.8 | 0.6 | 1.8 |
| 2.5 | 3.8 | 2.8 | 0.6 | 2.8 |
| 4.0 | 6.0 | 4.4 | 0.6 | 4.4 |
| 6.4 | 9.6 | 7.0 | 0.6 | 7.0 |
| 10.0 | 15.0 | 11.0 | 0.6 | 11.0 |
| 16.0 | 24.0 | 18.0 | 0.6 | 18.0 |
| 適用范圍 Suitable scope | ||
| 殼體材料Shell material | 適用介質Applicable medium | 適用溫度(℃)Applicable temperature |
| 碳素鋼(C型)Carburizing steel | 水、蒸汽、油品Water,steam,oil goods | ≤425 |
| ； | 硝酸類 Nitric acid | ≤200 |
| ； | 醋酸類 Acetic acid | ≤200 |
| ； | 水、蒸汽、油品Water,steam,oilgoods | ≤550 |
| 主要零件材料Material for main parts | |||||
| 閥體、閥蓋Body,bonnet | 閥板、閥座 Wedge disc,seat rign | 閥桿 Stem | 閥桿螺母 Yoke nut | 填料 Packing | 手輪 Hａnd wheel |
| 碳素鋼 Carburizing steel | 優質碳鋼+硬質合金或不銹鋼 High-grade carbon steel+carbide alloy or stainleel | 鉻不銹鋼Cr.stainless steel | 鋁青銅AI bronze | 石墨石棉盤根Graphite,asbestos coils | 可鍛鑄鐵 Foraeable cast-iron |
| 鉻鎳鈦鋼Cr.Ni.Tisteel | 不銹鋼、不銹鋼+硬質合金Stainless steel or +carbide alloy | 鉻鎳鈦不銹鋼Cr.Ni.Ti stainless stee | 鋁青銅AI bronze | 浸聚四氟乙Dipping polyterafluo-roethylene | 可鍛鑄鐵Foraeable cast-iron |
| 鉻鎳鉬鈦鋼Cr.Ni.Mo.Tisteel | 不銹鋼、不銹鋼+硬質合金Stainless steel or +carbide alloy | 鉻鎳鉬鈦不銹鋼Cr.Ni.Mo.Ti stainless stee | 鋁青銅AI bronze | 烯石棉盤根Asbestos coil | 可鍛鑄鐵Foraeable cast-iron |
| 鉻鉬鋼Cr.Mo streel | 合金鋼+硬質合金Alloy steel+carbide alloy | 鉻鉬鋁鋼Cr.Mo.Ai steel | 鋁青銅AI bronze | 柔性石墨Flexibie graphite | 可鍛鑄鐵Foraeable cast-iron |
主要尺寸及重量Main dimensions and weight
| 公稱通徑Nominal diameter | 主要外形尺寸和連接尺寸(mm)Dimensions | 電動裝置Electric dewice | 重量(kg)Weight | |||||||||||||||||||||||||||||
| L | D | D1 | D2 | D6 | b | z-d | f | f2 | H | |||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| 50 | 250 | 175 | 135 | 105 | 88 | 26 | 4-23 | 3 | 4 | 667 | DZW20 | 68 | ||||||||||||||||||||
| 65 | 280 | 200 | 160 | 130 | 110 | 28 | 8-23 | 3 | 4 | 685 | DZW20 | 72 | ||||||||||||||||||||
| 80 | 310 | 210 | 170 | 140 | 121 | 30 | 8-23 | 3 | 4 | 748 | DZW30 | 88 | ||||||||||||||||||||
| 100 | 350 | 250 | 200 | 168 | 150 | 32 | 8-25 | 3 | 4.5 | 845 | DZW30 | 117 | ||||||||||||||||||||
| 150 | 450 | 340 | 280 | 240 | 204 | 88 | 8-34 | 3 | 4.5 | 1009 | DZW45 | 314 | ||||||||||||||||||||
| 200 | 550 | 405 | 345 | 300 | 260 | 44 | 12-34 | 3 | 4.5 | 1253 | DZW60 | 432 | ||||||||||||||||||||
| 250 | 650 | 470 | 400 | 345 | 313 | 48 | 12-41 | 3 | 4.5 | 1449 | DZW60 | 595 | ||||||||||||||||||||
| 300 | 750 | 530 | 460 | 412 | 361 | 54 | 16-41 | 4 | 4.5 | 1867 | DZW90 | 721 | ||||||||||||||||||||
| 350 | 850 | 595 | 525 | 475 | 422 | 60 | 16-41 | 4 | 5 | 1931 | DZW120 | 863 | ||||||||||||||||||||
| 400 | 950 | 670 | 585 | 525 | 474 | 66 | 16-48 | 4 | 5 | 2017 | DZW180 | 1129 | ||||||||||||||||||||
| 500 | 1150 | 800 | 705 | 640 | 576 | 70 | 20-54 | 4 | 5 | 2459 | DZW 250 | 1493 | ||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| 50 | 250 | 195 | 145 | 112 | 88 | 28 | 4-25 | 3 | 4 | 781 | DZW20 | 78 | ||||||||||||||||||||
| 65 | 280 | 220 | 170 | 138 | 110 | 32 | 8-25 | 3 | 4 | 830 | DZW20 | 96 | ||||||||||||||||||||
| 80 | 310 | 230 | 180 | 148 | 121 | 34 | 8-25 | 3 | 4 | 865 | DZW30 | 126 | ||||||||||||||||||||
| 100 | 350 | 265 | 210 | 172 | 150 | 38 | 8-30 | 3 | 4.5 | 1179 | DZW30 | 134 | ||||||||||||||||||||
| 150 | 450 | 350 | 290 | 250 | 204 | 46 | 12-34 | 3 | 4.5 | 1201 | DZW60 | 352 | ||||||||||||||||||||
| 200 | 550 | 430 | 360 | 312 | 260 | 54 | 12-41 | 3 | 4.5 | 1611 | DZW60 | 484 | ||||||||||||||||||||
| 250 | 650 | 500 | 430 | 382 | 313 | 60 | 12-41 | 3 | 4.5 | 1903 | DZW90 | 608 | ||||||||||||||||||||
| 300 | 750 | 585 | 500 | 442 | 364 | 70 | 16-48 | 4 | 4.5 | 2054 | DZW120 | 757 | ||||||||||||||||||||
| 350 | 850 | 655 | 560 | 498 | 422 | 76 | 16-54 | 4 | 5 | 2132 | DZW180 | 994 | ||||||||||||||||||||
| 400 | 950 | 715 | 620 | 558 | 474 | 80 | 16-54 | 4 | 5 | 2321 | DZW 250 | 1269 | ||||||||||||||||||||
| ||||||||||||||||||||||||||||||||
| 50 | 300 | 215 | 165 | 132 | 88 | 36 | 8-25 | 3 | 4 | 905 | DZW20 | 101 | ||||||||||||||||||||
| 65 | 340 | 245 | 190 | 152 | 110 | 44 | 8-30 | 3 | 4 | 968 | DZW20 | 137 | ||||||||||||||||||||
| 80 | 390 | 260 | 205 | 168 | 121 | 46 | 8-30 | 3 | 4 | 978 | DZW30 | 167 | ||||||||||||||||||||
| 100 | 450 | 300 | 240 | 200 | 150 | 48 | 8-34 | 3 | 4.5 | 1043 | DZW30 | 211 | ||||||||||||||||||||
| 125 | 525 | 355 | 285 | 238 | 176 | 60 | 8-41 | 3 | 4.5 | 1248 | DZW60 | 424 | ||||||||||||||||||||
| 150 | 600 | 390 | 318 | 270 | 204 | 66 | 12-41 | 3 | 4.5 | 1394 | DZW90 | 588 | ||||||||||||||||||||
| 200 | 750 | 480 | 400 | 345 | 250 | 78 | 12-48 | 3 | 4.5 | 1621 | DZW120 | 839 | ||||||||||||||||||||
