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首页 > 产品中心 > 流量仪表 > 流量开关 > Dwyer AFS系列设定点可调节流量开关

Dwyer AFS系列设定点可调节流量开关

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AFS设定点可调节流量开关

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适用于油、水和气体,任意调节

AFS系列 可调流量开关可从外部进行调整,适于在冷却液流量中断时保护机械设备,在五润滑油时保护轴承,或者保证合适的空气流量。AFS系列可任意设置设定值范围从0.5到20GPM(压力高达 1000psig),并且压降小,重复性高。AFS封装在黄铜或不锈钢中,可用于水、兼容性液体、油和气体中。

 

技术指标

介质:兼容气体或液体

材质:外壳、活塞见型号表。弹簧:316不锈钢,O形环:氟橡胶,其它:环氧树脂

温度范围:-20-300℉(-29-149℃),-20-225℉(-29-107.2℃)(带聚砜活塞的)

压力范围:1000 psi(68 bar)

精度:±10%(设定值)

重复性:大偏差为±1%

开关类型:单刀双掷

电气指标:17A @120 VAC,0.08A @240 VAC,0.13A @ 120VDC,0.06A @240 VDC

电源接头:18 AWG,24"(61cm),塑料护套线,1/2"NPT外螺纹导管连接

管线连接:1/2"NPT内螺纹孔

安装定位:任意

设定值调整:液体:0.5-20 GPM(1.9-75.7 LPM),气体:1.0-75 SCFM(28-2124 LPM)在 5psig压力下

过滤要求:50微米或更小

重量:2 lb,11 oz(1.22kg)

Model Description

AFS-131 Adjustable flow switch for oil, 18 AWG, 24" polymeric lead wires, brass piston, brass housing.

AFS-132 Adjustable flow switch for oil, 1/2" NPT conduit connection, brass piston, brass housing.

AFS-141 Adjustable flow switch for water, 18 AWG, 24" polymeric lead wires, polysulfone piston, brass housing.

AFS-142 Adjustable flow switch for water, 1/2" NPT conduit connection, polysulfone piston, brass housing.

AFS-151 Adjustable flow switch for liquids, 18 AWG, 24" polymeric lead wires, 316SS piston, 316SS housing.

AFS-152 Adjustable flow switch for liquids, 1/2" NPT conduit connection, 316SS piston, 316SS housing.

AFS-231 Adjustable flow switch for gases, 18 AWG, 24" polymeric lead wires, brass piston, brass housing.

AFS-232 Adjustable flow switch for gases, 1/2" NPT conduit connection, brass piston, brass housing.

AFS-251 Adjustable flow switch for gases, 18 AWG, 24" polymeric lead wires, 316SS piston, 316SS housing.

AFS-252 Adjustable flow switch for gases, 1/2" NPT conduit connection, 316SS piston, 316SS hous

 

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