ASCO美国进口458系列隔离型微型阀功能描述
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 and materials of construction. ASCO Scientific can also custom design a valve for your specific application.
?  Threaded-flat bottom ports available with #1/4-28                 UNF, #10-32 UNF, or M6 threads      
2/2 3/2 Series 458
ASCO Scientific’s patented Series 458 rocker isolation valves feature a unique rocker diaphragm mechanism
 that shields the internal components of the solenoid from the fluid. The design forms an easy to flush,
产品特性：体积超小*度小于120mm，重量0.8KG
全钢制金属齿轮传动（运转寿命大大超出塑料齿轮），蜗轮输出，传动结构简单可靠。
微型球阀应用于各种对于安装尺寸和体积有较大限制的工艺场合。
动作时间 7秒
? Rocker design significantly reduces erratic flow caused by pumping action in poppet style valves
Approvals: Meets applicable CE directives
具有耐压差大、不易卡堵、对管道具有吹扫功能（阀芯自洁功能）
防护等级：IP65
带有全开/全闭输出信号（NPN晶体管 集级电流）
电源电压 AC85V-260V
Contact your local ASCO sales office for more information.
 Standard Voltages 6, 12, 24 VDC +10%, -5% 115 VAC (with rectifier in lead wires) Power Consumption 2.5 Watts
自锁（自保持阀位）功能。    
 ?  Air Operated version (30 psig pilot pressure required) Vacuum Rating             29" Hg
General Isolation Type 2 and 3-Way Rocker Isolation Valves Threaded-Flat Bottom or Barbed Hose Bib Porting
Valve Parts in Contact with Fluids Flange PSU or PEEK Diaphragm EPDM
2通、3通，常开、常闭等模式：
长寿命、小尺寸、低功率；
电压：DC；接口：#10-32 UNF（单位：英寸）；
 Duty Cycle Rating Continuous Coil Insulation 266?F (130?C) Electrical Connection 26 gage lead wire
? Standard built-in manual operator for testing or troubleshooting ? An air operated version is also available.
 In this version an air cylinder replaces the solenoid as the valve actuator
Temperature Range: Ambient & Media: 32?F to 114?F (0?C to 45?C) continuous duty
空调系统、消防系统、水处理系统、管路吹扫、分析仪器、烟气采样等。
阀体材质：塑料；压力：2-7公斤（值）
 Response Time            ~20 ms at rated voltage Internal Volume   -2-Way   -3-Way      
 ?  Surface or panel mount    
产品支持多种电源（AC85V-260V）驱动接入。
结构简单，**可靠。广泛替代各种小口径电磁阀产品。
low volume internal cavity. ? Suitable for corrosive media that would attack valves designed for general service duty
? Prevents contamination of fluid sample, due to excellent flushing characteristics
 ?  Barbed bib ports for 0.062" ID to 0.082" soft tubing                 
机械行程角度 0-90度
连接方式 管螺纹（内螺纹）      
额定电流 200mA
驱动电机 4.6W
保护装置 马达保护热敏电阻 机械限位挡块
Alternative Constructions Many alternative constructions are available and include a variety of voltages, electrical connectors,

ASCO美国进口458系列隔离型微型阀功能描述