用于气动阀门“开启”或“关闭”的电控操作。符合NAMUR连接标准，直接安装在气动执行器侧面，无需管子连接。根据仪表控制系统需要选择单电控或双电控。二位五痛电磁阀配双作用式执行器。二位三通电磁阀配单作用式执行器。同时该产品有基本型（IP67）和防爆型，防爆级别为EXD II BT4，其防爆级别适用于工厂的易爆环境场所。也可根据需要选择合适的电压。
CY520, OPPV551 series solenoid valves for pneumatic valves "open" or "turn off" the electric-controlled operation. Consistent with the NAMUR standard to connect directly installed in the pneumatic actuator side without the tube connection. Instrument control system in accordance with required s e l e c t single or double electric control electric control. Two five pain with double acting solenoid valve actuator. 2 solenoid valve with three single-action actuators. At the same time the product has a basic type （IP67） and Explosion-proof, explosion-proof level for EXD II BT4, its explosion-proof level applicable to the factory premises explosive environment. May also s e l e c t the appropriate voltage required
技术参数》Technical parameters
| 结构形 Structural form | 滑动Sliding |
| 动作方式 Action mode | 电磁铁或手动操作，按下并旋转手动操作钮可实现手动状态锁定。气动弹簧复位、机械弹簧复位、电磁铁操作复位。 Solenoid or manual operation, press the button and rotate manual operation can achieve a state of lock manually. Reset pneumatic spring, mechanical spring reset, reset electromagnet operation. |
| 复位方式 Reset mode | ISO228/1标准G1/4、ISO228/1 standardG1/4 |
| 接口Interface | 1/4、3/8、1/2 |
| 环境温度 Ambienttemperature | -20ºC~+80 ºC（防爆型Explosion-proof-15 ºC~+50 ºC） |
| 介质温度 Mediumtemperature | 阀体和内部零件：阳极电镀铝合金、铜。加固端盖：塑料。 Valve body and internal parts: anodized aluminum alloy, copper. Reinforcement Cover: Plastic |
| 材质 Material quality | 密封圈：丁苯橡胶（NBR）和聚亚安酯（AU）。 Ring: styrene-butadiene rubber （NBR） and polyurethane （AU） |
| 安装 Installation | 符合NAMUR标准和VDI/VDE3845的双孔。 Consistent with the NAMUR standards and the double VDI/VDE3845. |
电气数据》Electrical data
| 标准电压 StandardVoltage | 24VDC、24VAC50Hz\220VAC50Hz |
| 特殊电压 Specialvoltage | 6V~110VDC、12V~254VAC、50或Or 60Hz |
| 电压偏差 Voltagedeviation | ±10%标准和防爆（Exd II BT4）线圈 ± 10% standard and explosion-proof （Exd II BT4） coil |
| 功耗 Power | 标准线圈：AC启动功率6VA，稳定功率4.3VA（热态）DC2.6W（热态），3W（冷态） Standard coil: AC power to start 6VA, stable power 4.3VA （hot state） DC2.6W （hot state）, 3W （cold） |
| 工作方式 Working methods | *ED（DB），连续操作。 * ED （DB）, continuous operation. |
| 防护等级 Protection Level | IP65带符合DIN40050的正确安装连接器 IP65 with in line with the correct installation DIN40050 connector |
| 电气连接 Electrical connections | PG9连接器 Connector PG9 |
