• Low Pressure High Flow Proportional Regulator(0-8bar)
Low Pressure High Flow Proportional Regulator(0-8bar)
Product Serial: QKL-B1H
This series of proportional flow control valve designed for a closed loop servo system of electronic pressure regulation, which consists of two solenoid valves, pressure sensor and electronic circuit control. Based the input of analog signal, the solenoid valve on one side is used to control the air intake, another side is used to control the air exhaust. Then the pressure is measured by the sensor and fed back to the electronic circuit control to reach precise pressure control.
The input signal and command signal of our proportional flow control valve all provide 0-10VDC, 4-20mA or RS485 ModBus communication to select. This proportional valve is unique in the industry with low pressure and large flow, with a maximum flow of 5600L/min (200 scfm), and is widely used in various industries.
All our products have CE, SGS, RoHS certification with ISO13485 quality system.
◆ Compact
◆ High Precision
◆ High Sensitivity
◆ Fast Response Time
◆ Ultra-High Resolution 0.01 psig
◆ Ultra-High Speed available 100msec

Industrial application
◆ Laser Cutting Machine
◆ Leak Tester
◆ Tension Control
◆ PET bottle molding machine
◆ Multi-Stage Pressure Control
Type B1H
Input Signal 0-10V / 4-20mA / RS485
Output Range 0-8bar (120 psi)
Supply Pressure Max 10 bar (150 psi)
Monitor Output 0-10V / 4-20mA / RS485
Supply DC24V (≦4W)
Response 1S
Medium Clean compressed air or with 5 μm filter
Repeatability ±0.5% F.S.
Hysteresis ±0.3% F.S.
Linearity ±0.3% F.S.
Accuracy ±0.3% F.S.
Sensitive 0.1bar
Flow Rate 5600L/min @ 8bar
Temp. Range(Operating) 0 ~ 70 ⁰C ( 0 ~ 158 ⁰F)
Port Size 1/2"PT
Manifold Material Aluminum
Wetted Materials Aluminum, Stainless steel, NBR
Electrical Connection M12 Connector(2m)
Ingress Protection IP 65
Weight 1600 g