Rotary valve position feedback device F-TOP-1671 series, has obtained the European Union 2014/34 / EU ATEX explosion-proof certification, certificate number ATEC.0006; F-TOP-1671 is an angular stroke valve feedback device, which has Three-segment lamp display, valve leakage prevention, valve position user can be calibrated on site, analog signal output 4-20mA, PNP DC24V, AS-I bus;
