A:The product says all: The LKB-01 type discharge controller adoption spreads a feeling machine.Can used for the water cooling system or other fluid back tracks.The initial value of the controller is adjustable. Mainly used for professions, such as the pit electricity,chemical engineering,ships and metallurgy...etc.. Two:Main function: The environment temperature:5-40 ℃s Install position:the outer shell top arrowhead in accordance with the water current direction, the controller needs to have the direction of the 10 Ds(tube path) length to keep piping ago. Install pipe:1-6 "s Bear to press:1.6 Mpas Touch some capacity:the AC 250 Vs 3 As conversion touch to order 1 pay(often openned and often shut) Lie the quality temperature scope:5-80 ℃s