... Thermostatic bimetals are today widely used in control ,safety and thermal compensation Systems , due to their reliability, sturdiness and low ... grades is not sufficient, YDTB20110 with an almost 40% higher thermal deflection, should be chosen . With this grade , bimetal ... grades is not sufficient, YDTB20110 with an almost 40% higher thermal deflection, should be chosen . With this grade , bimetal ...