... not overheat, and only consumption when it is working, when temperature reach 100 degree, Motor will cut off by itself, have ... ,DN50,DN652220 V AC15s90SUS304DN40,DN50,DN65EMC: passed CE certification.Environmental temperature:-20--80Test of humidity: according to EN60730-1Control signal: servo ... Jason Address: Bingang Industry Area,Shamen,Yuhuan,Zhejiang province. modulating control valve