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3-Way Pneumatic Solenoid Valve for Pump Control

Air-driven pneumatic pumps and Air-Oil spray systems require highly precise, automated control of the compressed air supply to function correctly. The 3-Way Pneumatic Solenoid Valve acts as the electronic gatekeeper. Triggered by a 24V DC or 110/220V AC signal from the machine's PLC, this valve instantly opens to supply compressed air to cycle the pump, and quickly vents the air exhaust to allow the pump to reset. It is the crucial link between digital control and pneumatic power.

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Key Advantages & Benefits:

  • Lightning-Fast Response: Electromagnetic actuation provides split-second timing for highly accurate, intermittent lubrication cycles.
  • High Flow Capacity: Optimized internal ports ensure the pneumatic pump receives a massive, unrestrictive burst of air for full power.
  • Integrated Exhaust Muffling: Includes sintered bronze silencers to reduce the harsh noise of exhausting compressed air in the factory.
  • Manual Override: Features a manual push-button allowing technicians to cycle the pump manually during setup and troubleshooting without needing the PLC.

Versatile Applications:

  • Controlling pneumatic grease and oil pumps
  • Managing Air-Oil mixing blocks on CNC spindles
  • Operating pneumatic spray nozzles for die lubrication
  • Air blow-off controls

Frequently Asked Questions (FAQ):

  • Q: Why a 3-way valve and not a 2-way? A: A 2-way valve only opens and closes. A 3-way valve opens to supply air, and when closed, it vents the downstream air to the atmosphere. This venting is required for the pneumatic pump piston to retract and reset for the next stroke.
  • Q: What voltage do I need? A: We offer interchangeable solenoid coils in all standard industrial voltages: 12VDC, 24VDC, 110VAC, and 220VAC.

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FAQ

What aluminum alloys do you use to make motorcycle engine cases?

We mainly use high-performance aluminum alloys such as ADC12 and A356. The ADC12 is ideal for complex shapes such as side covers due to its excellent flow properties, while the A356 is the first choice for structural parts such as crankboxes that require excellent strength and elongation. We use a spectrometer to confirm the composition of each melt to ensure material stability.

How to ensure the tightness of the engine cover and prevent oil leaks?

Preventing leaks is the core standard we ensure. We control internal density through precise high or low pressure casting parameters. After casting, we perform precision CNC machining on the sealing surfaces and perform pneumatic leak tests on the oil passages and water passages to ensure zero leaks in the assembly.

How long is the delivery lead time for OEM motorcycle engine covers

For new OEM projects, the lead time from mold design to T1 sample delivery is typically 35-50 days. Once samples are approved, our capacity of 5000 tons per year allows us to adjust mass production plans to meet your specific delivery deadlines

What surface polishing options do you provide for motorcycle engine case covers?

Our process includes Shot Blasting and vibration deburring to achieve a clean, matte appearance. At the same time, we can also prepare powder coated or painted surfaces based on the aesthetic requirements of your brand.

Application Background and Use Scenario

Heat Pipe R&D and Sample Preparation


Heat pipe development requires stable and repeatable sample-level processing before entering mass production. During R&D stages, engineers need precise control over heating, degassing, and welding preparation to verify product structure and process feasibility. This equipment is designed to support such sample preparation tasks under controlled conditions.


Process Validation Before Mass Manufacturing


Before scaling up to full production lines, manufacturers often need to confirm welding parameters, heating lengths, and degassing performance. This machine provides a practical platform for process validation, helping reduce risks during later mass production deployment.


Integrated Heating and Degassing Process


The heating process is controlled by both temperature and time, allowing operators to set parameters according to different pipe diameters and material requirements. This helps maintain consistent thermal conditions during sample processing.