JOHNSON CONTROL VA7010-8503 , VA7010-8503-C ELECTRIC ON/OFF ACTUATOR (VA7010-8503-C หัวขับวาล์ว จอร์นสัน คอนโทรล **รหัสเฉพาะหัวขับ**
VA-7010-8503-C The VA-7010 electric on/off actuator provides a two-position (open-closed) control and can easily be mounted with a threaded coupling onto VG5000 forged brass valves (see pertinent bulletin). A lever at the side of the actuator housing can be used to manually open a 2Way PDTO valve, on the normally closed port of a 3-way valve