真空電站閘閥適用于公稱壓力PN1.6～16.0MPa,工作溫度≤-29℃～550℃的石油、化工、水力、火力電站各種系統(tǒng)的管路上，切斷或接通管路介質(zhì)。尤其適用于火電廠汽機冷凝和真空負(fù)壓系統(tǒng)，起真空隔離密封作用.適用介質(zhì)為：水、油品、蒸氣等。
焊接式真空電站閘閥試驗壓力
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 |
焊接式真空電站閘閥使用范圍
Applicable
|
產(chǎn)品類型 Product calssification |
適用介質(zhì) 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 |
焊接式真空電站閘閥主要零部件材料
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(fù)合石墨 Expanding compound graphite |
優(yōu)質(zhì)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(zhì)合金 Y：carbide alloy |
鉻鉬鋼 Cr.Mo steel |
焊接式真空電站閘閥主要尺寸及重量
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
焊接式真空電站閘閥主要尺寸
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 | |||||
| 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 | |
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