Micro Pneumatic Ball Valve Compact Size Fast Switching For Instrument Pipeline
micro pneumatic ball valve with compact body & fast switching, ideal for lab analyzers, miniature equipment and micro-flow control.
Description
1. Product Overview
The micro pneumatic ball valve is a compact, small‑bore valve that uses compressed air to rotate the ball 90° for on/off control. Its main advantages are a miniature footprint – with a streamlined body that fits into tight spaces – and rapid stroking, thanks to air‑powered actuation. The actuator comes in double‑acting and single‑acting spring‑return versions; the latter automatically closes upon loss of air supply.
Optional miniature solenoid valves and small limit switches can be added for integration into micro‑fluid and gas lines. The valve typically uses small threaded connections and is widely employed in laboratory analytical instruments, semiconductor auxiliary gas circuits, portable fluid prototypes, small‑scale sampling systems, and other precision equipment.
2. Materials & Technical Specifications
| Parameter | Detail |
|---|---|
| Nominal sizes | DN3 – DN10 (1/8″ – 3/8″) |
| Drive type | Miniature pneumatic actuator |
| Actuator type | Double‑acting / Single‑acting spring return |
| Connection | BSP / NPT miniature female thread |
| Body material | Brass / SS304 / SS316 stainless steel |
| Air supply pressure | 0.3–0.6 MPa |
| Key features | Compact dimensions, fast switching, suited for micro‑fluid lines inside instruments |
| Optional accessories | Miniature solenoid valves, small limit switches |
| Working pressure | 0.1–1.0 MPa |
| Medium temperature | –10°C ~ 120°C |
| Applicable media | Clean gases, pure water, reagents, mildly corrosive micro‑fluids |
3. Application Scenarios
Typical uses include laboratory fluid analysis equipment, precision inspection instruments, small‑scale water‑treatment prototypes, semiconductor auxiliary gas lines, automated test fixtures, food‑industry mini‑sampling lines, and portable fluid devices.
4. Real‑World Project
At the Lab‑Sys Zurich laboratory instrument project in Zurich, Switzerland, the micro pneumatic ball valve has been extensively deployed inside analytical equipment. Its compact body fits directly into the instrument cavity, while the quick stroking enables high‑frequency switching of sample lines, ensuring efficient testing workflows. For routine sample‑line on‑off control, the double‑acting micro pneumatic ball valve is selected.
5. Selection Guide & Distinctive Strengths
Two core features stand out:
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Miniature size – the overall valve is light and compact, requiring little mounting space and facilitating integration into precision devices.
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Fast stroking – compressed‑air drive delivers rapid switching, ideal for micro‑fluid or gas circuits that cycle frequently.
For fail‑safe closure upon air supply failure, choose the spring return micro pneumatic ball valve. For corrosive reagents, prefer the stainless steel micro pneumatic ball valve. For main controllers needing valve‑position feedback, configure with the limit switch micro pneumatic ball valve.
Note: Keep the air supply pressure within specified limits to avoid actuator overload; filter the media, as fine particulates can wear small‑bore seals prematurely. The product complies with CE standards. We provide miniature body dimensional drawings and air‑connection instructions to facilitate OEM integration. Bulk orders are welcome, and separate actuator and seal replacement parts are available to reduce future maintenance costs.
