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上海市所在地
公称压力(Mpa) | 6.4 | 10.0 |
壳体试验压力(Mpa) | 9.6 | 15.0 |
密封试验压力(Mpa) | 7.04 | 11.0 |
zui高进口压力(Mpa) | 6.4 | 10.0 |
出口压力范围(Mpa) | *减压比0.6 | |
渗漏量 | 0.5%QMax | |
温量-压力等级 | ANSI B16.34 |
零件名称 | 零件材料 |
阀体 阀盖 底盖 | WCB |
阀座 | 304 |
阀罩 | 304 |
阀瓣 | 304 |
阀杆 | 38CrMoAIA |
垫片 | 柔性石墨/1Cr18Ni9 |
填料 | 柔性石墨 |
螺栓 | 35CrMoA |
螺母 | 45 |
公称通径(mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
zui大流量面积cm2 | 5 | 9.5 | 12 | 24 | 38 | 44 | 71.5 | 108 | 190 | 270 | 317.1 |
网罩流通面积cm2 | 60.3 | 78 | 98.5 | 133.7 | 191 | 221.6 | 253.3 | 452.4 | 615.7 | 875 | 1160.4 |
公称通径 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 500 |
配执行机构型号 | ZKZ-310BC | ZKZ-410BC/ZKZ-510BC | ZKZ-510BC | ZKZ-610BC | ||||||||
行程 | 25 | 30 | 50/30 | 50 | 100 | |||||||
推力(N) | 4000 | 6400/1600 | 16000 | 2500 | ||||||||
全行程时间(S) | 20 | 32 | 37 | 62 | ||||||||
输入信号 | 4-20mA DC | |||||||||||
供电电源 | 220V 50Hz | |||||||||||
基本误差(%) | ≤±2.5 | |||||||||||
基本误差(%) | ≤±1.5 | |||||||||||
基本误差(%) | ≤3 |
电动减温减压阀连接尺寸
公称通径DN | 外 形 尺 寸 | ||||
L | L1 | H | Hl | 减温水接管通径dl | |
50 | 300 | 150 | 880 | 260 | 10 |
65 | 340 | 170 | 890 | 285 | 10 |
80 | 380 | 190 | 910 | 305 | 20 |
100 | 400 | 215 | 950 | 330 | 20 |
125 | 430 | 225 | 990 | 380 | 32 |
150 | 450 | 230 | 1090 | 410 | 32 |
200 | 500 | 260 | 1160 | 435 | 32 |
250 | 550 | 285 | 1230 | 470 | 32 |
300 | 750 | 395 | 1370 | 580 | 32 |
350 | 850 | 445 | 1450 | 660 | 40 |
400 | 950 | 550 | 1570 | 800 | 50 |
Electric pressure reducing valve is mainly composed of two bodies, two, a valve, valve cover and other parts group Granville, with two seats and a conical plunger structure. Increase the flow area and adjustable ratio. Are arranged in the valve throttle plate. Add feet pressure amplitude, while avoiding desuperheating water injected directly into the valve body, a valve body protection. Electric pressure reducing valve is mainly used for power matching in the third generation of desuperheating decompression device, adjustment of pressure and temperature using a temperature adjustment to and supporting the use of feed water regulating valve.
Electric pressure reducing valve performance
Nominal pressure ( Mpa ) 6.4 10
Shell test pressure ( Mpa ) 9.6 15
Seal test pressure ( Mpa ) 7.04 11
Maximum inlet pressure ( Mpa ) 6.4 10
Outlet pressure range ( Mpa ) than the 0.6 best decompression
Leakage 0.5%QMax
Temperature - pressure rating ANSI B16.34
Electric temperature and pressure reducing valve material
Part name part material
Valve cover bottom cover WCB
Valve seat 304.
Valve cover 304
Disc 304
Stem 38CrMoAIA
Flexible graphite gasket /1Cr18Ni9
Flexible graphite packing
Bolt 35CrMoA
Nuts 45
Electric pressure reducing valve flow parameters
Nominal diameter ( mm ) 506580100125150200 250300350400
Maximum flow area of cm2 59.512243844 71.5108190270 317.1
Net flow area cm2 60.378 98.5 133.7191 221.6 253.3 452.4 615.7875 1160.4
Electric actuator selection and performance index
Nominal diameter 506580100125150200 250300350400500
With the actuator model ZKZ-310BC ZKZ-410BC/ZKZ-510BC ZKZ-510BC ZKZ-610BC
Travel 2530 50/30 50100
Thrust ( N 6400/1600 160002500 ) 4000
Full stroke time ( S ) 20323762
The input signal 4-20mA DC
Power supply 220V 50Hz
Basic error less than ± 2.5 ( % )
Basic error less than ± 1.5 ( % )
Basic error ( % )≤ 3
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