PROPORTIONAIR QB3H电气比例阀 电压调节阀
电气指标
电源电压„„„„„„„„15-24VDC
电源电流„„„„„„„„250mA(最大)
输入信号„„„„„„„„4-20mA 差分
0-10VDC 差分
输入信号阻抗„„„„„„100Ω (电流型)
10KΩ (电压型)
监控信号„„„„„„„„4-20mA 吸收
4-20mA 输出
0-10VDC(标准)
物理指标
工作温度„„„„„„„„32-158ºF(0-70ºC)
重量„„„„„„„„„„黄铜 2.8 磅(1.27kg)
AL 1.4 磅(0.64kg)
保护等级„„„„„„„„NEMA 4/IP65
外壳„„„„„„„„„„阳极氧化铝
机械指标
最大进气压力„„550psig
压力范围„„„„29.9 in.Hg(VAC)-500psig(34.47ar)
过滤要求„„„„40 微米
线性/迟滞„„„„≤0.5% F.S.B.F.S.L
重复精度„„„„≤0.2% F.S.
接触面材质„„„黄铜外壳:镀镍黄铜
ph17-4 不锈钢 Viton
铝外壳:镀镍铝
镀镍黄铜
ph17-4 不锈钢 Viton
Buna-N
兼容介质
空气/惰性气体
氧气(仅黄铜外壳型)
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PROPORTIONAIR QB3H电气比例阀 电压调节阀