可調(diào)范圍:50:1(0.25≤Cv≤14)或30:1(CV≤0.16)
Cv值和行程
公稱通徑 | 40 | 50 | 65 | 80 | 100 | 150 | 200 |
閥座直徑 | 25 | 32 | 40 | 32 | 40 | 50 | 40 | 50 | 65 | 50 | 65 | 80 | 65 | 80 | 100 | 100 | 125 | 150 | 125 | 150 | 200 |
額定Cv值 | 11 | 17 | 24 | 17 | 24 | 44 | 24 | 44 | 68 | 44 | 68 | 99 | 68 | 99 | 175 | 175 | 275 | 360 | 275 | 360 | 640 |
額定行程 | 25 | 38 | 50 | 75 |
流量特性
典型的流量特性曲線
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線性流量特性曲線 | 司鈦萊堆焊的工作溫度和壓差范圍 |
允許壓差
A.氣—關(guān)式閥 100KPa
| 執(zhí)行機(jī)構(gòu) | 供氣壓力 | 彈簧范圍 | 定位器 | 允許壓差 | 公稱通徑 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | LHA2D | 1.4 | 0.2~1.0 | 有或無 | 19 | 15 | 13 | 11 | 8 | - | - | 1.6 | 0.2~1.0 | 有 | 40 | 40 | 40 | 40 | 40 | - | - | 100 | 74 | 54 | 53 | 40 | - | - | 4.0 | 0.8~2.4 | 有 | 40 | 40 | 40 | 40 | 40 | - | - | 400 | 100 | 100 | 100 | 100 | - | - | LHA3D | 1.4 | 0.2~1.0 | 有或無 | 34 | 26 | 23 | 19 | 14 | 10 | - | 1.6 | 0.2~1.0 | 有 | 40 | 40 | 40 | 40 | 40 | 40 | - | 100 | 100 | 100 | 94 | 71 | 51 | - | 4.0 | 0.8~2.4 | 有 | 40 | 40 | 40 | 40 | 40 | 40 | - | 100 | 100 | 100 | 100 | 100 | 100 | - | LHA4D | 1.4 | 0.2~1.0 | 有或無 | - | - | 39 | 32 | 25 | 17 | 14 | 1.6 | 0.2~1.0 | 有 | - | - | 40 | 40 | 40 | 40 | 40 | - | - | 100 | 100 | 100 | 87 | 70 | 4.0 | 0.8~2.4 | 有 | - | - | 40 | 40 | 40 | 40 | 40 | - | - | 100 | 100 | 100 | 100 | 100 |
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B.氣—開式閥 100KPa
| 執(zhí)行機(jī)構(gòu) | 供氣壓力 | 彈簧范圍 | 定位器 | 允許壓差 | 公稱通徑 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | LHA2R | 1.4 | 0.2~1.0 | 有或無 | 19 | 15 | 13 | 11 | 8 | - | - | 2.8 | 0.8~2.4 | 有 | 40 | 40 | 40 | 40 | 40 | - | - | 100 | 100 | 89 | 74 | 57 | - | - | LHA3R | 1.4 | 0.2~1.0 | 有或無 | 34 | 26 | 23 | 19 | 14 | 10 | - | 2.8 | 0.8~2.4 | 有 | 40 | 40 | 40 | 40 | 40 | 40 | - | 100 | 100 | 100 | 100 | 100 | 71 | - | LHA4R | 1.4 | 0.2~1.0 | 有或無 | - | - | 39 | 32 | 25 | 17 | 14 | 2.8 | 0.8~2.4 | 有 | - | - | 40 | 40 | 40 | 40 | 40 | - | - | 100 | 100 | 100 | 100 | 99 | LVA5R | 1.4 | 0.2~1.0 | 有或無 | - | - | - | - | 34 | 24 | 19 | 1.4 | 0.4~1.0 | 有或無 | - | - | - | - | 40 | 40 | 40 | - | - | - | - | 100 | 72 | 58 | 2.8 | 0.8~2.4 | 有 | - | - | - | - | 40 | 40 | 40 | - | - | - | - | 100 | 100 | 100 | LVA6R | 4 | 1.9~3.5 | 有 | - | - | - | - | 40 | 40 | - | - | - | - | - | 100 | 100 | - |
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注:1.zui大允許壓差不超過ANSI B16.34或JIS B2201標(biāo)準(zhǔn)規(guī)定的zui大工作壓力。
2.同一格內(nèi)的上方數(shù)字表示閥常開允許壓差,下方數(shù)字表示閥全關(guān)時(shí)的允許壓差。