Product Overview
The ENTEGRIS A2MX4440TW is a high-purity diaphragm valve engineered for critical fluid handling in semiconductor, pharmaceutical, and advanced industrial process systems. Manufactured by Entegris, a global leader in contamination-control and materials integrity solutions, this valve utilizes a flexible diaphragm as the sole moving wetted component, isolating the process fluid from the valve actuator and external environment. This pneumatically actuated design delivers leak-tight shutoff, minimal dead volume, and exceptional chemical compatibility, making it ideal for ultrapure chemical delivery, high-purity gas control, and aggressive reagent dosing where particulate generation and contamination must be eliminated. Its compact, modular architecture supports integration into dense manifold assemblies and OEM process tools requiring repeatable, contamination-free flow control.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | High-Purity Diaphragm Valve (Process & Pneumatic Valve) |
| Model Designation | A2MX4440TW |
| Actuation Type | Pneumatic (air-operated) diaphragm actuator |
| Operating Pressure | Standard Industrial Grade (up to rated process pressure per manufacturer data) |
| Wetted Materials | High-purity PTFE / PFA diaphragm with corrosion-resistant body |
| Mounting & Connection | Standard ISO / Manufacturer Interface (high-purity flare or face-seal fittings) |
| Flow Configuration | Two-way, normally closed (NC) shutoff |
Engineering Features & Advantages
- Precision Performance: Diaphragm isolation provides leak-tight sealing with minimal internal dead volume, ensuring accurate dosing and complete flushability in high-purity fluid paths.
- Contamination-Free Operation: The non-metallic wetted diaphragm eliminates particle shedding and metal ion extraction, preserving fluid purity in semiconductor and pharmaceutical processes.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a robust pneumatic actuator designed for millions of maintenance-free cycles.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, enabling drop-in replacement without manifold or tubing modification.
- Chemical Compatibility: Engineered to handle aggressive acids, bases, solvents, and ultrapure DI water without degradation or permeation.
Typical Industrial Applications
The ENTEGRIS A2MX4440TW is deployed in semiconductor wet-process tools for ultrapure chemical delivery, pharmaceutical and biotech fluid transfer systems requiring sterile isolation, high-purity chemical blending and dosing skids, and advanced industrial process lines handling corrosive or contamination-sensitive media. Its pneumatic actuation and diaphragm sealing make it equally suited for automated manifold assemblies in flat-panel display manufacturing, solar cell production, and analytical laboratory equipment.
PRODUCT IMAGES
ENTEGRIS A2MX4440TW High-Purity Diaphragm 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.
Shop the genuine ENTEGRIS A2MX4440TW Solenoid Diaphragm Valve. This USA-made 24 VDC hydraulic component features a 2-way normally closed design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.