Product Overview
The CKD AMD01-8BUS-4 is a high-precision, air-operated chemical liquid valve engineered by CKD Corporation, a globally recognized leader in fluid control technology. This valve is specifically designed for the safe and accurate control of high-purity chemical liquids, utilizing a robust air-operated diaphragm or bellows mechanism to ensure zero leakage and minimal dead volume. Unlike standard hydraulic directional valves, this unit is purpose-built for process and pneumatic applications, featuring a compact, space-saving design that integrates seamlessly into semiconductor manufacturing, chemical dosing, and analytical instrumentation systems. Its construction prioritizes chemical compatibility and contamination prevention, making it an essential component for critical fluid handling processes where purity and reliability are paramount.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Air Operated Chemical Liquid Valve (Process & Pneumatic Valve) |
| Model Designation | AMD01-8BUS-4 |
| Operating Pressure | Standard Industrial Grade (Up to 0.7 MPa air supply; liquid side rated for low-pressure chemical lines) |
| Mounting & Connection | Standard CKD Interface / Flanged or Threaded Ports (8 mm or 1/4″ nominal) |
| Actuation Method | Air Pilot / Pneumatic Diaphragm Actuator |
| Body Material | Chemical-Resistant Resin / PTFE / PFA (Wetted Parts) |
| Seal Material | PTFE / FKM (Chemical Compatible) |
Engineering Features & Advantages
- Precision Chemical Metering: The air-operated diaphragm design ensures precise, repeatable flow control with minimal internal dead volume, preventing fluid stagnation and cross-contamination in high-purity chemical lines.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, the AMD01 series features a durable, corrosion-resistant body and a long-life diaphragm that withstands aggressive chemical media.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original CKD OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
- Leak-Proof Construction: The isolation of the air pilot from the liquid path via a sealed diaphragm eliminates the risk of external leakage and maintains system integrity.
- Compact & Lightweight: Space-saving design allows for high-density mounting in semiconductor tools and analytical equipment where footprint is critical.
Typical Industrial Applications
This valve is ideal for semiconductor manufacturing equipment (CMP slurry and chemical delivery), chemical dosing and blending systems, analytical instrumentation (HPLC and lab-on-a-chip), and medical device fluid handling. It is also suitable for high-purity chemical transfer in pharmaceutical production and specialty coating processes where contamination control is essential.
PRODUCT IMAGES
CKD AMD01-8BUS-4 Air Operated Chemical Liquid Valve
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
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