Product Overview
The SURPASS Z900-1/4-14-AN531 is a precision-engineered general process valve designed for reliable fluid and gas control in demanding industrial environments. Manufactured by SURPASS, this valve features a 1/4-inch nominal port size with a 14-thread configuration and an AN531 designation, indicating a specific trim, seal, or actuation variant within the Z900 series. Operating on a straightforward open/close or modulating principle, it regulates the flow of compatible media through process lines, serving as a critical control point in hydraulic, pneumatic, and general process systems. Its robust construction ensures tight shutoff, minimal pressure drop, and long service life in continuous-duty applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | General Process & Pneumatic Valve |
| Model Designation | Z900-1/4-14-AN531 |
| Port Size | 1/4 inch nominal |
| Thread Configuration | 14 TPI (threads per inch) or equivalent metric pitch |
| Operating Pressure | Standard Industrial Grade (up to rated bar; consult factory for specific rating) |
| Mounting & Connection | Standard ISO / Manufacturer Interface |
| Media Compatibility | Hydraulic oil, air, inert gases, water/glycol (dependent on seal material) |
| Actuation | Manual, pneumatic, or solenoid pilot (varies by configuration) |
Engineering Features & Advantages
- Precision Flow Control: The 1/4-inch port and 14-thread design ensure accurate metering and repeatable performance in low-to-medium flow process lines.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with durable body and trim materials resistant to wear and corrosion.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, minimizing downtime during maintenance or system upgrades.
- Leak-Tight Sealing: Advanced seat and seal design provides bubble-tight shutoff, reducing media loss and enhancing safety.
- Versatile Integration: Compatible with standard hydraulic and pneumatic circuits, easily integrated into existing manifolds or piping systems.
Typical Industrial Applications
This valve is ideal for a wide range of heavy industrial scenarios, including plastic injection molding machines, metallurgical presses, construction and marine hydraulics, CNC machine tools, and general process control systems requiring precise fluid or gas regulation. It is also suitable for chemical processing, power generation, and automated assembly lines where dependable valve performance is critical.
SURPASS Z900-1/4-14-AN531 Chemical Process 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 SURPASS Z900-1/4-14-AN531 Hydraulic Directional Control Valve. This Germany-made 24V DC hydraulic component features a 4-way 3-position design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.

