Non Contact Dual Piezo Jetting Valve for Precision Dispensing in Electronics Applications

Product Overview

This non contact dual piezo jetting valve delivers precise, matched droplets from two independent channels for electronics assembly. It supports accurate placement without touching the substrate and helps reduce rework on fine-pitch boards. Use it when you need two synchronized or different fluids placed close together with consistent results.

Problem

Many electronics assembly tasks require placing two materials close together or alternating fluids quickly, and standard single-channel valves either collide with parts or cannot keep volumes matched. This causes misalignment, wasted materials, and higher reject rates.

Cause

Single-channel setups need extra time to swap fluids or move the head, and contact-style nozzles risk smearing when parts are small. Differences in drive timing or flow path between two valves make it hard to place matched drops, especially at higher cycle rates.

Solution

This dual non contact piezo valve provides two controlled jets in one compact body so you can place matched or sequential drops without moving the nozzle into contact. The two channels share a stable mounting and driver interface to keep timing and volume consistent.

Key benefits:

Precise paired drops with low variation
Non contact placement to avoid smearing on delicate parts
Compact design for tight tool heads and close-clearance fixtures
Easier line integration for dual-fluid processes

Application

Dual-fluid adhesive and flux placement for fine-pitch PCB assembly.
Placing primer followed by adhesive in a single pass for improved bonding.
Two-color or two-material micro-dispensing for sensors and small modules.
Processes that need matched droplets for filler plus sealant or adhesive plus activator.

How It Works 

Conclusion: synchronized pressure pulses and fixed channel spacing create paired micro-drops without contact. Each channel has its own drive pulse; timing and amplitude control droplet size and relative delay. A stable inlet pressure and matched fluid paths keep droplet volume consistent across both channels. Non contact ejection avoids touching the part surface and eliminates smearing.

How To Choose 

Conclusion: select the dual valve when you need two matched drops or to combine two materials in one pass. Steps:

Confirm whether you need simultaneous drops or sequential drops and set timing accordingly.
Provide fluid viscosity and chemistry for both liquids so we can advise wetted materials and nozzle choices.
Choose nozzle sizes based on your target droplet volume for each channel.
Check your required cycle rate and verify the valve and driver can match that throughput.
Confirm mounting space and flange compatibility with your tool head.
Plan a sample test with your real fluids to validate settings and repeatability.

FAQ

Q1: Can the two channels run at different droplet sizes?

A1: Yes. Each channel is adjustable so you can set different droplet volumes and timings for paired or sequential dispensing.

Q2: How close can the two drops be placed reliably?

A2: Typical gap placement of 0.3–0.6 mm is achievable depending on nozzle choice and fluid behavior. We recommend a short test to finalize spacing for your process.

Q3: Will this system handle thick fluids for one channel and thin fluids for the other?

A3: In many cases yes, but performance depends on fluid chemistry and temperature. Provide both fluid specs for sample testing and final recommendations.

Q4: How is synchronization managed between the two channels?

A4: Timing and pulse amplitude are controlled by the driver; we supply recommended settings and can assist with tuning to match volumes and timing.

Q5: Do you offer integration support for robots or gantries?

A5: Yes. Our applications team helps with mounting, control signals, and on-site or remote tuning to speed integration.