Product Overview
The Parker DX3-421-70 (part number 12152232) is a pneumatic directional control valve from Parker’s DX3 series, engineered for precise actuation and reliable switching of compressed air circuits in industrial automation and process systems. Utilizing a spool-type directional control mechanism, this valve manages the start, stop, and direction of airflow to pneumatic actuators such as cylinders and rotary actuators. Its robust construction and proven sealing technology make it a dependable component for demanding factory automation, packaging, and process control environments where consistent response and long service life are essential.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Directional Control Valve (Spool Type) |
| Model Designation | DX3-421-70 / 12152232 |
| Operating Pressure | Standard Industrial Grade (Up to rated bar for pneumatic service) |
| Mounting & Connection | Standard ISO / Manufacturer Interface |
Engineering Features & Advantages
- Precision Performance: Spool-and-sleeve design delivers accurate flow metering and fast, repeatable directional switching for precise pneumatic circuit control.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with wear-resistant sealing and durable body construction.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring drop-in installation without modification.
Typical Industrial Applications
This pneumatic directional control valve is widely used in factory automation and process control systems, including packaging machinery, assembly and handling equipment, plastic injection molding machines, and general pneumatic actuation circuits for cylinders and rotary actuators in manufacturing and process industries.
PRODUCT IMAGES

PARKER DX3-421-70 / 12152232 Pneumatic Directional Control Valve
⚡ 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 PARKER DX3-421-70 / 12152232 Solenoid Directional Control Valve. This Germany-made hydraulic component features a spool-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.