Ningbo Richge Technology Co., Ltd.
Ningbo Richge Technology Co., Ltd.
Products

Control Valve











     SOLH is the self-developed high-end pneumatic brand belonging to Richge Technology. Its full series of pneumatic directional valves realize 1:1 dimensional and performance interchangeability with genuine SMC and AirTAC products, supporting direct replacement without modifying pipelines or fixtures. The product portfolio includes 2P/2V 2/2-way, 3V 3/2-way, mainstream 4V 5/2-way solenoid valves, NAMUR-standard 4M valves, together with 3F/4F foot valves, VHK/HSV manual control valves and M5 mechanical limit valves, which can be assembled into modular valve islands. The valve bodies adopt die-cast aluminum alloy and brass equipped with oil-resistant, high & low temperature resistant NBR/FKM seals featuring low air leakage, stable airflow and long service life. A full set of supporting accessories such as manifold bases, push-in fittings, air tubes and silencers are available to deliver one-stop pneumatic solutions for machine tool clamping, vacuum feeding, packaging lines, water treatment pipeline automatic control, 3C electronics and food processing automation.





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VBA Booster Regulator

VBA Booster Regulator

VBA pneumatic booster valves are power-free air amplifiers built on self-developed piston area difference boosting technology, delivering stable 2× and 4× pressure amplification with matched VBAT air tanks for instant high-pressure airflow. Fully pneumatic automatic cycling ensures explosion-proof & energy-saving performance, while built-in buffers cut noise and extend service life to over 50 million cycles with easy installation. We maintain sufficient stock of 5L-38L air tanks with growing annual sales. Widely adopted for cylinder clamping reinforcement, riveting, dispensing and mold high-pressure blowing, they offer a cost-effective local boosting alternative without upgrading whole plant air systems.
VBA  Energy Saving Compact type Booster Regulator

VBA Energy Saving Compact type Booster Regulator

Richge Technology compact energy-saving VBA pneumatic booster regulator adopts self-optimized high-efficiency boosting air circuit independent R&D technology, cutting air consumption effectively. The ultra-small lightweight body supports dual mounting ways with stable low-ripple high-precision pressure output. Fully pneumatic explosion-proof structure realizes maintenance-free long service life. We keep sufficient inventory and rising annual sales volume. Widely applied to auto manufacturing, automated clamping and mold cleaning, it offers economical local pressure boost without overall factory air system transformation.
VBAT Series Air Tank

VBAT Series Air Tank

The SOLH VBAT series air tank by Richge Technology is a dedicated pneumatic pressure reservoir perfectly matched with VBA booster valves. Available in carbon steel and SUS304 stainless steel, it adapts to diverse industrial environments. Featuring stable pressure storage and airflow compensation, it reduces air pressure fluctuation and extends the service life of booster systems. Certified with CE, ASME, GB and ISO9001, it offers 5L-38L standard capacities and customizable ports & pressure grades. Widely used in automated production lines, automotive manufacturing, 3C electronics and precision testing, it serves as a reliable core accessory for industrial pneumatic pressure boosting systems.
AR Pilot Operated Regulator

AR Pilot Operated Regulator

SOLH AR series pilot operated pressure regulators include complete models of AR425/625/635/825/835/925/935. Adopting internal pilot relief structure, they feature high flow rate and ultra-high pressure regulation precision with hysteresis ≤0.02MPa and repeatability ≤0.01MPa. Equipped with dual pressure ranges and built-in automatic overpressure relief function, they support lubrication-free operation and arbitrary installation. Suitable for large-bore main air pipelines, high-flow equipment and precision pneumatic control systems, they are ideal stabilization solutions for factory centralized air supply systems.
IR Precision Regulator

IR Precision Regulator

SOLH IR series precision pilot regulators adopt advanced nozzle-flapper internal pilot structure, delivering 0.2% ultra-high control accuracy and excellent repeatability. It stably maintains output pressure against air source fluctuation and dynamic load changes. Featuring high flow rate, fast response and ultra-low air consumption of 1–3 L/min for significant energy savings, it supports manual adjustment and pneumatic remote control. Compact and flexible with built-in overpressure protection, it is widely used in semiconductors, precision testing, tension control, medical instruments and high-end precision automation systems.
IRV10 / IRV20 Vacuum Regulator

IRV10 / IRV20 Vacuum Regulator

SOLH IRV10 and IRV20 series precision vacuum regulators are specially designed for negative-pressure pneumatic circuits, with an adjustable vacuum range of -100kPa~-1.3kPa and ultra-fine adjustment resolution. Equipped with a self-locking knob, it effectively prevents pressure drift caused by vibration. Featuring large flow rate, low air consumption and lightweight structure, it supports dual-side and rear single port styles with diverse mounting methods. It is a standard precision control component, widely used in automated vacuum picking, electronic assembly, auto processing, air leak testing and packaging machinery.
SRH Clean Regulating

SRH Clean Regulating

SOLH SRH series clean-type precision pressure regulators adopt full SUS316/316L stainless steel wetted parts and are oil-free manufactured in Class 100 cleanrooms with low particle and zero secondary pollution. Optional PTFE and FKM diaphragms as well as relief and non-relief structures adapt to diverse clean working conditions. Featuring ultra-high pressure control accuracy, it complies with SEMI, RoHS and CE standards. Suitable for high-purity gas and pure water control, it is widely applied in semiconductors, photovoltaics, biopharmaceuticals and high-end precision laboratory fluid control systems.
ARM5 Unit Type Regulator

ARM5 Unit Type Regulator

SOLH ARM5S ultra-compact miniature pressure regulator features a 14mm ultra-narrow piston structure and ultra-light 33g weight, greatly saving installation space. Equipped with standard reverse flow function and optional relief/non-relief structure, it comes with integrated one-touch push-in fittings for versatile tubing connection. Supporting direct panel mounting and DIN rail manifold stacking installation with 0.05–0.7MPa adjustable pressure range, it realizes lubrication-free and corrosion-resistant stable operation. It is an ideal micro pneumatic control solution for precision automation, miniature jigs and space-limited equipment.
ARJ310 Miniature Pressure Regulator Valve

ARJ310 Miniature Pressure Regulator Valve

SOLH ARJ310 series direct-acting relief miniature pressure regulator is fully interchangeable with SMC equivalent models, designed for low-flow and space-limited precision pneumatic control. With an ultra-compact 18.5mm narrow body and 65g lightweight design, it supports dense manifold stacking. Featuring dual M5 and Rc1/8 inlet threads and integrated outlet push-in fittings for fast installation, it provides dual pressure ranges of 0.05–0.7MPa with built-in overpressure relief for stable output pressure. Suitable for panel and bracket mounting, it is widely used in electronics assembly, medical devices, semiconductor inspection and miniature precision automation equipment.
Richge is a professional Control Valve manufacturer and supplier in China. If you're interested in our low price products, please contact us.
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