■主要性能规范 Chief property and specification
■试验压力 Test pressure
公称通径
DN/mm
Nominal
diameter | 试验压力/MPa Seal test |
壳体强度试验
Sheli strength | 上密封试验
Back seal | 密封试验
Seal test |
| 2.5 | 3 8 | 2 8 | 2 8 |
| 4 O | 6 0 | 4 4 | 4 4 |
| 6 4 | 9.6 | 7.0 | 7.0 |
| 10.0 | 15.0 | 11.0 | 110 |
试验压力 Test pressure
| 产品类型 Product type | 适用介质 Applicable medium | 适用温度/℃ Applicable temperature |
NKZ61H
NKZ64H
NKZ964H
NKZ961H | H-C型 |
| 水、蒸汽、空气
Water,Stram.Air | ≤425 |
NKZ61H
NKZ64H
NKZ964H
NKZ961H | Y-I型 |
| 水、蒸汽、空气
Water,Stram.Air | ≤550 |
主要零件材料 Materials main parts
零件名称
Part name | 阀体、阀盖
Body Bonnet | 阀杆
Valve stem | 阀板
Wedge gate | 密封面
Sealing face | 阀杆螺母
Yoke nut | 填料
Packing | 紧固件
Fastener |
NKZ61H
NKZ64H
NKZ964H
NKZ961H | H-C型 |
| WCB | 2Gr13 | 25 | H：合金钢
H：alloy steel | 铝青铜
Al
bronze | 膨胀复合石墨
Expanding
compound
graphite | 优质碳钢
High-grade
carbon steel |
NKZ61H
NKZ64H
NKZ964H
NKZ961H | Y-I型 |
| 铬钼钢
Cr.Mo steel | 20Cr1Mo1VA | 铬钼钢
Cr．Mo steel | Y：硬质合金
Y：carbide alloy | 铬钼钢
Cr．Mo steel |
主要尺寸及重量 Main dimensions and weight
公称通径
DN/mm
Nominal
diameter | 公称压力
DN/mm
Nominal
pressure | 主要外形尺寸和连接尺寸/mm
Main external and connecting dimensions | 电动装置
Electric
dowice |
| L | H | D | Do | ∝ | W |
| 50 | 2.5 | 250 | 618 | 64 | 49 | 37°30’ | 562 | DZW10 |
| 65 | 270 | 670 | 82 | 66 | 37°30’ | 562 | DZW10 |
| 80 | 280 | 700 | 95 | 78 | 37°30’ | 562 | DZW10 |
| 100 | 300 | 785 | 117 | 100 | 37°30’ | 607 | DZW15 |
| 125 | 325 | 845 | 144 | 125 | 37°30’ | 607 | DZW20I |
| 150 | 350 | 990 | 172 | 151 | 37°30’ | 607 | DZW20I |
| 200 | 400 | 1080 | 223 | 201 | 37°30’ | 607 | DZW30 |
| 250 | 450 | 1150 | 278 | 253 | 37°30’ | 607 | DZW30 |
| 300 | 500 | 1415 | 330 | 303 | 37°30’ | 755 | DZW45 |
| 350 | 550 | 1665 | 380 | 351 | 37°30’ | 755 | DZW60 |
| 400 | 600 | 1815 | 432 | 398 | 37°30’ | 825 | DZW90 |
| 450 | 650 | 1920 | 484 | 450 | 37°30’ | 825 | DZW120 |
| 500 | 700 | 2080 | 535 | 498 | 37°30’ | 825 | DZW120 |
| 600 | 800 | 2380 | 638 | 600 | 37°30’ | 925 | DZW180 |
| 50 | 4 O | 250 | 618 | 64 | 49 | 37°30’ | 562 | DZW15 |
| 65 | 270 | 670 | 82 | 66 | 37°30’ | 562 | DZW15 |
| 80 | 280 | 700 | 95 | 78 | 37°30’ | 607 | DZW15 |
| 100 | 300 | 785 | 117 | 100 | 37°30’ | 607 | DZW20I |
| 125 | 325 | 845 | 144 | 125 | 37°30’ | 607 | DZW20I |
| 150 | 350 | 990 | 172 | 151 | 37°30’ | 607 | DZW30 |
| 200 | 400 | 1080 | 223 | 199 | 37°30’ | 607 | DZW30 |
| 250 | 450 | 1150 | 278 | 251 | 37°30’ | 755 | DZW45 |
| 300 | 500 | 1415 | 330 | 301 | 37°30’ | 755 | DZW60 |
| 350 | 550 | 1685 | 382 | 349 | 37°30’ | 825 | DZW90I |
| 400 | 600 | 1815 | 432 | 396 | 37°30’ | 825 | DZWl20 |
| 50 | 6.4 | 250 | 625 | 64 | 49 | 37°30’ | 562 | DZWlO |
| 65 | 280 | 693 | 82 | 66 | 37°30’ | 562 | DZWl5 |
| 80 | 310 | 712 | 95 | 76 | 37°30’ | 607 | DZW20I |
| 100 | 350 | 790 | 117 | 98 | 37°30’ | 607 | DZW20I |
| 125 | 400 | 855 | 150 | 128 | 37°30’ | 607 | DZW30 |
| 150 | 450 | 1000 | 172 | 149 | 37°30’ | 607 | DZW30 |
| 200 | 550 | 1185 | 223 | 197 | 37°30’ | 755 | DZW45 |
| 250 | 650 | 1255 | 278 | 245 | 37°30’ | 755 | DZW60 |
| 300 | 750 | 1445 | 330 | 293 | 37°30’ | 825 | DZW90I |
| 350 | 850 | 1715 | 382 | 341 | 37°30’ | 825 | DZW120I |
| 400 | 950 | 1985 | 432 | 386 | 37°30’ | 925 | DZW180 |
| 50 | 10．O | 250 | 625 | 64 | 49 | 37°30’ | 562 | DZW1O |
| 65 | 280 | 693 | 82 | 66 | 37°30’ | 562 | DZW15 |
| 80 | 310 | 712 | 95 | 74 | 37°30’ | 607 | DZW20I |
| 100 | 350 | 790 | 117 | 97 | 37°30’ | 607 | DZW30I |
| 125 | 400 | 855 | 150 | 124 | 37°30’ | 607 | DZW30 |
| 150 | 450 | 1000 | 172 | 144 | 37°30’ | 755 | DZW45 |
| 200 | 550 | 1185 | 223 | 189 | 37°30’ | 755 | DZW60 |
| 250 | 650 | 1255 | 278 | 235 | 37°30’ | 825 | DZW90I |
| 300 | 750 | 1445 | 330 | 281 | 37°30’ | 825 | DZW120I |
| 350 | 850 | 1715 | 382 | 333 | 37°30’ | 925 | DZW180 |
| 400 | 950 | 1985 | 432 | 376 | 37°30’ | 925 | DZW250
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