球阀，电动球阀，进口电动球阀

 进口电动球阀-英国FRISTUNG弗里斯通球阀

英国弗里斯通进口电动球阀适用于两位切断、调节的场合。阀与执行机构的连接采用直连方式，电动执行机构内置伺服系统，无须另配伺服放大器，输入4-20mA信号及220VAC电源即可控制运转。具有连线简单，结构紧凑、尺寸小、重量轻、阻力小、动作稳定可靠等优点。执行机构可根据用户要求另配置UNIC、PSQ、HQ、DHL等型号电子式电动执行机构或GTX、AL等气活塞式执行机构。

electric O-off valve for two off, adjust the occasion. Valve and actuator connections using direct connection, built-electric actuator servo system without reprovisioning servo amplifier, the input 4-20mA signal and 220VAC power to control operation. A connection is simple, compact structure, small size, light weight, resistance, stable and reliable. Actuator can be configured according to user requirements other UNIC, PSQ, HQ, DHL and other types of electronic electric actuator or GTX, AL and other gas-piston actuators.