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 | | 1.0 | | 1.1 | 1.1 | | 1.6 | | 1.8 | 1.8 | | 2.5 | | 2.8 | 2.8 | | 4.0 | | 4.4 | 4.4 | | 6.4 | | 7.0 | 7.0 | | 10.O | | 11.0 | 11.O |
| 产品类型 Product type | 适用介质 Applicable medium | 适用温度/℃ Applicable temperature | NKZ41H
NKZ44H
NKZ944H
NKZ941H | -C型 |
| 水、蒸汽、空气
Water,Stram.Air | ≤425 | NKZ41H
NKZ44H
NKZ944H
NKZ941H | Y-I型 |
| 水、蒸汽、空气
Water,Stram.Air | ≤550 |
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 | NKZ44
NKZ41
NKZ944
NKZ941 | -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 | NKZ44
NKZ41
NKZ944
NKZ941 | Y-I型 |
| 铬钼钢
Cr.M0 steel | 20Cr1M01VA
38CrMoAIA | 铬钼钢
Cr．Mo steel | Y：硬质合金
Y：carbide alloy | 铬钼钢
Cr．Mo steel |
■主要尺寸/mm Main dimensions NKZ41H-16/NKZ941Y-16I NKZ44H-16/NKZ944Y-16I
公称 通径 | 主要外形尺寸及连接尺寸(mm) | L | D | D1 | D2 | b | f | z-d | H | H1 | H2 | D0 | 手动(kg) | 电动(kg) | 50 | 250 | 160 | 125 | 100 | 16 | 3 | 4-18 | 350 | 400 | 640 | 220 | 25 | 79 | 65 | 265 | 180 | 145 | 120 | 18 | 3 | 4-18 | 375 | 450 | 67O | 240 | 31 | 85 | 80 | 280 | 195 | 160 | 135 | 20 | 3 | 8-18 | 433 | 528 | 720 | 280 | 40 | 94 | 100 | 300 | 215 | 180 | 155 | 20 | 3 | 8-18 | 502 | 620 | 800 | 320 | 55 | 99 | 125 | 325 | 245 | 210 | 185 | 22 | 3 | 8-18 | 612 | 753 | 905 | 360 | 75 | 139 | 150 | 350 | 280 | 240 | 210 | 24 | 3 | 8-23 | 676 | 847 | 966 | 360 | 100 | 154 | 200 | 400 | 335 | 295 | 265 | 26 | 3 | 12-23 | 820 | 1039 | 1100 | 400 | 150 | 210 | 250 | 450 | 405 | 355 | 320 | 30 | 3 | 12-25 | 969 | 1245 | 1220 | 450 | 240 | 300 | 300 | 500 | 460 | 410 | 375 | 30 | 4 | 12-25 | 1142 | 1472 | 1527 | 500 | 310 | 410 | 350 | 550 | 520 | 470 | 435 | 34 | 4 | 16-25 | 1280 | 1450 | 1665 | 550 | 420 | 548 | 400 | 600 | 580 | 525 | 485 | 36 | 4 | 16-30 | 1452 | 1887 | 1870 | 600 | 600 | 732 | 450 | 650 | 640 | 585 | 545 | 40 | 4 | 20-30 | 1541 | 2011 | 1946 | 700 | 850 | 982 | 500 | 700 | 705 | 650 | 608 | 44 | 4 | 20-34 | 1676 | 2181 | 2190 | 700 | 1100 | 1345 | 600 | 800 | 840 | 770 | 718 | 48 | 5 | 20-41 | 2000 | 2600 | 2510 | 800 | 1700 | 2180 | 700 | 900 | 910 | 840 | 788 | 50 | 5 | 24-41 | 2200 | 2900 | 2810 | 800 | 2100 | 2550 | 800 | 1000 | 1020 | 950 | 898 | 52 | 5 | 24-41 | 2360 | 3160 | 2950 | 800 | 2900 | 3380 |
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