Proportional Valves

This proportional electro-hydraulic control p-q valve adopts two electrical loops to control pressure respectively and flow of hydraulic systems. Using very small P to track pressure load and control the pump pressure, it is an energy-saving valve.

Technical specification
Item Model BYL-03-*-* BYLZ-03-*-* BYLZ-06-250-* BYLZ-10-500-*
Maximum Pressure (MPa) 31.5 31.5 31.5 31.5
Maximum Flow (l/min) 160 160 250 500
Flow Range (l/min) 1-160 1-160 2.5-250 5-500
Flow Control Rated Current (mA) 700 600 600 600
Coil Resistance 10 43.5 43.5 43.5
P differential 0.8 0.6 0.7 0.9
Hysteresis (%) <5 <7 <7 <7
Repeatability (%) 1 1 1 1

Pressure Control Pressure Range
(MPa) 16: 1.4-16
25: 1.4-25
31.5: 1.4-31.5
40: 1.4-40 16: 1.4-16
25: 1.4-25
16: 1.5-16
25: 1.5-25
16: 1.6-16
25: 1.6-25

Rated Current (mA) 750 750 750 750
Coil Resistance (Ω) 10 10 10 10
Hysteresis (%) <3 <3 <3 <3
Repeatability (%) 1 1 1 1