上海減壓閥廠閔行區分廠
上海減壓閥廠閔行區分廠
電動減溫減壓閥主要由兩體、兩座、悶瓣、閥罩等零件組威，采用雙閥座和圓錐形柱塞結構。增大了過流面積和可調比。閥內設有節流孔罩．增丈了減壓幅度,同時避 免減溫水直接噴射到閥體上，保護了閥體。電動減溫減壓閥主要用于火力發電．配套在第三代減溫減壓裝置上，調節壓力和溫度時使用調節溫度時要與給水調節閥配套使用。
| 公稱壓力（Mpa） | 6.4 | 10.0 |
| 殼體試驗壓力（Mpa） | 9.6 | 15.0 |
| 密封試驗壓力（Mpa） | 7.04 | 11.0 |
| zui高進口壓力（Mpa） | 6.4 | 10.0 |
| 出口壓力范圍（Mpa） | *減壓比0.6 | |
| 滲漏量 | 0.5%QMax | |
| 溫量-壓力等級 | ANSI B16.34 | |
| 零件名稱 | 零件材料 |
| 閥體 閥蓋 底蓋 | WCB |
| 閥座 | 304 |
| 閥罩 | 304 |
| 閥瓣 | 304 |
| 閥桿 | 38CrMoAIA |
| 墊片 | 柔性石墨/1Cr18Ni9 |
| 填料 | 柔性石墨 |
| 螺栓 | 35CrMoA |
| 螺母 | 45 |
| 公稱通徑（mm） | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
| zui大流量面積cm2 | 5 | 9.5 | 12 | 24 | 38 | 44 | 71.5 | 108 | 190 | 270 | 317.1 |
| 網罩流通面積cm2 | 60.3 | 78 | 98.5 | 133.7 | 191 | 221.6 | 253.3 | 452.4 | 615.7 | 875 | 1160.4 |
| 公稱通徑 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 500 |
| 配執行機構型號 | 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 | ||||||||
| 全行程時間（S） | 20 | 32 | 37 | 62 | ||||||||
| 輸入信號 | 4-20mA DC | |||||||||||
| 供電電源 | 220V 50Hz | |||||||||||
| 基本誤差（%） | ≤±2.5 | |||||||||||
| 基本誤差（%） | ≤±1.5 | |||||||||||
| 基本誤差（%） | ≤3 | |||||||||||
電動減溫減壓閥連接尺寸
| 公稱通徑DN | 外 形 尺 寸 | ||||
| L | L1 | H | Hl | 減溫水接管通徑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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