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L91 Modulação
L91A,B,D Proportioning Pressuretrol® Controllers APPLICATION L91 Proportioning Pressuretrol® Controllers are Series 90 Modulating Pressure Controllers that provide direct control of modulating motors or valves used on automatic burners or steam heating systems.[...]
L404F - Limit Control
L404A-D, F; L604A,L Pressuretrol® Controllers APPLICATION L404 and L604 Pressuretrol® Controllers are line voltage pressure controllers that provide operating control, automatic limit protection, or manual reset limit protection for pressure systems of up to 300 psi (21.1 kg/cm2 or 2068 kPa).[...]
L404T, V
L404F,T,V PressureTrol® Controllers APPLICATION L404F PressureTrol® Controllers provide operating control with automatic limit protection for pressure systems of up to 2070 kPa, or 300 psi. L404T,V PressureTrol® Controllers are for use on oil burner systems for pressures up to 1035 kPa or 150 psi.[...]
L408J
L408J VaporStat® Controllers APPLICATION The L408J VaporStat® Controllers are line voltage pressure controllers that provide operating control or automatic limit protection for pressure systems of up to 4 psi (27.6 kPa). All models have Microswitch™ snap switches to open or close a circuit on a pressure rise.[...]
L4079A, B, W
L4079A,B,W PressureTrol® Limit Control APPLICATION The L4079A,B, and W PressureTrol® Limit Controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value. The L4079A and B can be used with steam, air, noncombustible gases, and fluids noncorrosive to the sensing element. L4079W is for use on oil burner systems.[...]
P7810 Microprocessado
P7810C PressureTrol® Controller APPLICATION The P7810C PressureTrol® Controller is a line voltage pressure controller for pressure systems up to 300 psi (2069 kPa). The P7810C provides On/Off Control, High Limit and 4 to 20 mA modulation.[...]