DKZ61H焊接式真空閘閥由普通手動閘閥改進而來,區(qū)別在于真空閘閥的填料密封處多加裝一個真空密封環(huán),具有自脹壓緊作用。比普通閘閥的氣密封性能更好。 真空閘閥關閉時 , 密封面可以只依靠介質壓力來密封 , 即依靠介質壓力將閘板的密封面壓向另一側的閥座來保證密封面的密封,這就是自密封。大部分閘閥是采用強制密封的 , 即閥門關閉時,要依靠外力強行將閘板壓向閥座 , 以保證密封面的密封性。
主要性能規(guī)范 Chief property and specification 試驗壓力 Test pressure 公稱壓力 PN/MPa Nominal pressure | 試驗壓力/MPa Seal test | 殼體強度試驗 Shellslrenght test | 上密封試驗 Back Seal test | 密封試驗 Seat test | 2.5 | 3.8 | 2.8 | 2.8 | 4.O | 6.0 | 4.4 | 4.4 | 6.4 | 9.6 | 70 | 7.O | 1O.O | 15O | 11.O | 11.O |
使用范圍 Applicable 產(chǎn)品類型 Product calssification | 適用介質 Applicable medium | 適用溫度/℃ Applicable temperature | NKZ61H NKZ64H H-C型 NKZ964H H-C型 NKZ961H | 水、蒸汽、空氣 Water,Steam,Air | ≤425 | NKZ61H NKZ64H Y-I型 NKZ964H Y-I型 NKZ961H | 水、蒸汽、空氣 Water,Steam,Air | ≤550 |
主要零部件材料 Materials for main parts 零件名稱 Part name | 閥體、閥蓋 Body Bonnet | 閥桿 Valve stem | 閘板 Wedge gate | 密封面 Sealing face | 閥桿螺母 Valve Yoke nut | 填料 Parking | 緊固件 Fastener | NKZ61H NKZ64H H-C型 NKZ964H H-C型 NKZ961H | WCB | 2Crl3 | 25 | H:合金鋼 H:alloysteel | 鋁青銅 Albronze | 膨脹復合石墨 Expanding compound graphite | 優(yōu)質碳鋼 High-grade carbon steel | NKZ61H NKZ64H Y-I型 NKZ964H Y-I型 NKZ961H | 鉻鉬鋼 Cr.Mo steel | 20CrlMo1VA | 鉻鉬鋼 Cr.Mo steel | Y:硬質合金 Y:carbide alloy | 鉻鉬鋼 Cr.Mo steel |
Z 主要尺寸及重量 Main dimensions and weight
公稱通徑 DN/mm Nominal diamecer | 公稱壓力 PN/MPa Nominal pressure | 主要外形尺寸和連接尺寸/mm Main external andconnecting dimensions | 重量/kg Weight |
L |
H |
D |
D0 |
∝ |
W | 50 |
2.5 | 250 | 345 | 64 | 49 | 37o30' | 250 | 24 | 65 | 270 | 395 | 82 | 66 | 37o30' | 250 | 36 | 80 | 280 | 425 | 95 | 78 | 37o30' | 300 | 52 | 100 | 300 | 51O | 117 | 100 | 37o30' | 300 | 67 | 125 | 325 | 570 | 144 | 125 | 37o30' | 350 | 95 | 150 | 350 | 725 | 172 | 151 | 37o30' | 350 | 135 | 200 | 400 | 820 | 223 | 201 | 37o30' | 400 | 210 | 250 | 450 | 890 | 278 | 253 | 37o30' | 450 | 300 | 300 | 500 | 1070 | 330 | 303 | 37o30' | 550 | 395 | 350 | 550 | 1320 | 382 | 351 | 37o30' | 650 | 530 | 400 | 600 | 1450 | 432 | 398 | 37o30' | 750 | 685 | 450 | 650 | 1560 | 484 | 450 | 37o30' | 750 | 906 | 500 | 700 | 1720 | 535 | 498 | 37o30' | 850 | 1130 | 600 | 809 | 1880 | 638 | 600 | 37o30' | 900 | 1387 | 700 | 900 | 2083 | 738 | 700 | 37o30' | 950 | 1894 | 800 | 1OOO | 2590 | 840 | 800 | 37o30' | 1000 | 2621 | 50 | 4.0 | 250 | 345 | 64 | 48 | 37o30' | 300 | 30 | 65 | 270 | 395 | 82 | 66 | 37o30' | 300 | 42 | 80 | 280 | 425 | 95 | 78 | 37o30' | 350 | 57 | 100 | 300 | 51O | 117 | 1OO | 37o30' | 350 | 75 | 125 | 325 | 570 | 144 | 125 | 37o30' | 400 | 105 | 150 | 350 | 725 | 172 | 151 | 37o30' | 400 | 150 | 200 | 400 | 820 | 223 | 199 | 37o30' | 450 | 232 | 250 | 450 | 890 | 278 | 251 | 37o30' | 550 | 330 | 300 | 500 | 1070 | 330 | 301 | 37o30' | 650 | 430 | 350 | 550 | 1320 | 382 | 349 | 37o30' | 750 | 570 | 400 | 600 | 1450 | 432 | 396 | 37o30' | 850 | 730 | 50 | 6.4 | 250 | 350 | 64 | 48 | 37o30' | 300 | 34 | 65 | 280 | 405 | 82 | 65 | 37o30' | 300 | 48 | 80 | 310 | 435 | 95 | 76 | 37o30' | 350 | 65 | 100 | 350 | 515 | 117 | 98 | 37o30' | 400 | 81 | 125 | 400 | 580 | 150 | 128 | 37o30' | 400 | 112 | 150 | 450 | 735 | 172 | 149 | 37o30' | 450 | 161 | 200 | 550 | 835 | 223 | 197 | 37o30' | 550 | 255 | 250 | 650 | 905 | 278 | 245 | 37o30' | 650 | 390 | 300 | 750 | 1080 | 330 | 293 | 37o30' | 750 | 515 | 350 | 850 | 1340 | 382 | 341 | 37o30' | 800 | 695 | 400 | 950 | 1460 | 432 | 386 | 37o30' | 900 | 885 | 50 | 1O.0 | 250 | 350 | 64 | 48 | 37o30' | 300 | 37 | 65 | 280 | 405 | 82 | 63 | 37o30' | 300 | 52 | 80 | 310 | 435 | 95 | 74 | 37o30' | 350 | 70 | 100 | 350 | 515 | 117 | 97 | 37o30' | 400 | 86 | 125 | 400 | 580 | 150 | 124 | 37o30' | 400 | 118 | 150 | 450 | 735 | 172 | 144 | 37o30' | 450 | 168 | 200 | 550 | 835 | 223 | 189 | 37o30' | 550 | 263 | 250 | 650 | 905 | 278 | 235 | 37o30' | 650 | 405 | 300 | 750 | 1080 | 330 | 281 | 37o30' | 750 | 536 | 350 | 850 | 1340 | 382 | 333 | 37o30' | 850 | 732 | 400 | 950 | 1460 | 432 | 376 | 37o30' | 950 | 947 |
注:PN2.5(25)型閥門允許作為PN1.0(10)、PN1.6(16)壓力級選用 主要尺寸 Main dimensions 公稱通徑 DN/mm Nominal diamecer | 公稱壓力 PN/MPa Nominal pressure | 主要外形尺寸和連接尺寸/mm Main external andconnecting dimensions |
電動裝置 Electric device | L | H | D | D0 | ∝ | W | 50 | 2.5 | 250 | 618 | 64 | 49 | 37o30' | 562 | DZWlO | 65 | 270 | 670 | 82 | 66 | 37o30' | 562 | DZWlO | 80 | 280 | 700 | 95 | 78 | 37o30' | 562 | DZWlO | 100 | 300 | 785 | 117 | 100 | 37o30' | 607 | DZWl5 | 125 | 325 | 845 | 144 | 125 | 37o30' | 607 | DZW20l | 150 | 350 | 990 | 172 | 151 | 37o30' | 607 | DZW20l | 200 | 400 | 1080 | 223 | 201 | 37o30' | 607 | DZW30 | 250 | 450 | 1150 | 278 | 253 | 37o30' | 607 | DZW30 | 300 | 500 | 1415 | 330 | 303 | 37o30' | 755 | DZW45 | 350 | 550 | 1665 | 382 | 351 | 37o30' | 755 | DZW60 | 400 | 600 | 1815 | 432 | 398 | 37o30' | 825 | DZW90 | 450 | 650 | 1920 | 484 | 450 | 37o30' | 825 | DZWl20 | 500 | 700 | 2080 | 535 | 498 | 37o30' | 825 | DZWl20 | 600 | 800 | 2380 | 638 | 600 | 37o30' | 925 | DZWl80 | 50 | 4.0 | 250 | 618 | 64 | 49 | 37o30' | 562 | DZWl5 | 65 | 270 | 670 | 82 | 66 | 37o30' | 562 | DZWl5 | 80 | 280 | 700 | 95 | 78 | 37o30' | 607 | DZWl5 | 1OO | 300 | 785 | 117 | 100 | 37o30' | 607 | DZW20l | 125 | 325 | 845 | 144 | 125 | 37o30' | 607 | DZW20l | 150 | 350 | 990 | 172 | 151 | 37o30' | 607 | DZW30 | 200 | 400 | 1080 | 223 | 199 | 37o30' | 607 | DZW30 | 250 | 450 | 1150 | 278 | 251 | 37o30' | 755 | DZW45 | 300 | 500 | 1415 | 330 | 301 | 37o30' | 755 | DZW60 | 350 | 550 | 1685 | 382 | 349 | 37o30' | 825 | DZW90l | 400 | 600 | 1815 | 432 | 396 | 37o30' | 825 | DZW20 | 50 | 6.4 | 250 | 625 | 64 | 49 | 37o30' | 562 | DZWlO | 65 | 280 | 693 | 82 | 66 | 37o30' | 562 | DZWl5 | 80 | 31O | 712 | 95 | 76 | 37o30' | 607 | DZW20l | 1OO | 350 | 790 | 117 | 98 | 37o30' | 607 | DZW20l | 125 | 400 | 855 | 150 | 128 | 37o30' | 607 | DZW30 | 150 | 450 | 1OOO | 172 | 149 | 37o30' | 607 | DZW30 | 200 | 550 | 1185 | 223 | 197 | 37o30' | 755 | DZW45 | 250 | 650 | 1255 | 278 | 245 | 37o30' | 755 | DZW60 | 300 | 750 | 1445 | 330 | 293 | 37o30' | 825 | DZW90l | 350 | 850 | 1715 | 382 | 341 | 37o30' | 825 | DZWl20l | 400 | 950 | 1985 | 432 | 386 | 37o30' | 925 | DZWl80 | 50 | 1O.O | 250 | 625 | 64 | 49 | 37o30' | 562 | DZWlO | 65 | 280 | 693 | 82 | 66 | 37o30' | 562 | DZWl5 | 80 | 31O | 712 | 95 | 74 | 37o30' | 607 | DZW20l | 1OO | 350 | 790 | 117 | 97 | 37o30' | 607 | DZW30l | 125 | 400 | 855 | 150 | 124 | 37o30' | 607 | DZW30 | 150 | 450 | 1000 | 172 | 144 | 37o30' | 755 | DZW45 | 200 | 550 | 1185 | 223 | 189 | 37o30' | 755 | DZW60 | 250 | 650 | 1255 | 278 | 235 | 37o30' | 825 | DZW90l | 300 | 750 | 1445 | 330 | 281 | 37o30' | 825 | DZWl20l | 350 | 850 | 1715 | 382 | 333 | 37o30' | 925 | DZWl80 | 400 | 950 | 1985 | 432 | 376 | 37o30' | 925 | DZW250 |
三精閥門公司訂貨須知: 一、①DKZ61H品名稱與型號②真空閘閥口徑③真空閘閥是否帶附件以便我們的為您正確選型④真空閘閥的使用壓 力⑤真空閘閥的使用介質的溫度。 二、若已經(jīng)由設計單位選定三精公司的真空閘閥型號,請按真空閘閥型號直接向我司銷售部訂購。 三、當使用的場合非常重要或環(huán)境比較復雜時,請您盡量提供設計圖紙和詳細參數(shù),由我們的三精公司專家為您審核把 關。 |