... the pump doesnt work. 4.Low control torque, continuous operation. 5.According to the system, different function and pressure level valves ... .1BHRS1,2-1251251317.52.5<2.51486.3BHRS1,2-1601601617.52.5<2.51536.5BHRS1,2-2002002017.52.5<31586.8BHRS1,2-2502502517 ... .52.5<31647.1BHRS1,2-2802802817.52.5<31697.5BHRS1,2-3153153217.52.5<31748BHRS1,2-4004004017.52.5<31848.5 ...