Aichi, Japan AICHI zero-pressure valve A10Z-1 zero-pressure valve A20Z-1-pressure valve diaphragm valve spare parts Aichi AICHI package 
 Aichi, Japan AICHI AICHI agent zero pressure valve regulator 13316420060 Aichi 
 Beijing el agent Aichi, Japan AICHI-pressure valve, zero-pressure valve, Aichi, Japan, the main models: equalizing valve A8Z-1 zero-pressure valve, pressure valve A10Z-1 are zero-pressure valve (13316420060 Miss Li contact), equalizing valve A13Z-1 zero-pressure valve, pressure valve A20Z-1 are zero-pressure valve, pressure valve A25Z-1 are zero-pressure valve, pressure valve A30Z-1 are zero-pressure valve, pressure valve A40Z-1 are zero-pressure valve, equalizing valve A50Z-1 zero-pressure valve, pressure valve A20Z-2 are zero-pressure valve, pressure valve A25Z-2 are zero-pressure valve, pressure valve A30Z-2 are zero-pressure valve, pressure valve A40Z-2 are zero-pressure valve, equalizing valve A50-2 zero-pressure valves, pressure valves A40Z-11 are zero-pressure valves, pressure valves A50Z-11 are zero-pressure valves, pressure valves A75Z-11 are the zero pressure regulator valve AICHI film, AICHI regulator membrane film, AICHI regulator spare parts package, the following types of related technical parameters and characteristics. 
 ■ Model 
 1, A8Z ~ A50Z-1 type - Normal 
 2, A20Z ~ A50Z-2 type - high-performance model 
 3, A40Z ~ A75Z-11 type - large-capacity type 
 ● zero pressure valve working condition 
 One side of the highest-pressure work force (P1) 20kPa 
 One side of the lowest-pressure work force (P1) 0.5kPa 
 Pressure through the whole spring 
 Adjustable pressure-type 1 force range -0.4 ~ 0kPa 
 2? 11 type -0.05 ~ +0.05 kPa 
 ● Under-pressure valve working condition 
 One side of the highest-pressure work force (P1) 50kPa 
 Work force in the secondary side of the highest-pressure (P1) 30kPa 
 Maximum use of poor-pressure (P1-P2) 30kPa 
 Pressure through the whole spring 
 Adjustable-pressure force range -0.05 ~ +0.05 kPa 
 Note) 1kPa = 101.972mmH2O (temperature 0 ~ 60 ℃) 
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