ATOS HR-012/50 Modular Hydraulic Lock Valve (Pilot Operated Check Valve)
The ATOS HR-012/50 is a highly reliable modular stack-type hydraulic lock valve designed to ensure precise fluid control and operational safety in industrial hydraulic systems. Manufactured in Italy, this pilot-operated check valve acts on both A and B ports to securely lock hydraulic actuators in position, effectively preventing unwanted cylinder drift under load. Meanwhile, the P and T ports feature a free pass-through design to maintain optimal system efficiency. Engineered with an ISO 4401 compliant stacking interface, the HR-012/50 offers seamless and quick integration for standard manifold or subplate mounting configurations.
Technical Specifications:
- Brand: ATOS
- Model: HR-012/50
- Valve Type: Modular Hydraulic Lock Valve (Pilot Operated Check Valve)
- Control Configuration: Dual check on ports A and B
- Pass-Through Ports: Free flow on P and T ports
- Mounting Standard: ISO 4401 compliant stacking interface (manifold/subplate)
- Primary Function: Actuator position locking and drift prevention
- Country of Origin: Made in Italy

| Brand | ATOS |
|---|---|
| Model | HR-012/50 |
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ATOS HR-012/50 Modular Hydraulic Lock Valve (Pilot Operated Check Valve)
Secure your hydraulic actuators with the ATOS HR-012/50 modular hydraulic lock valve. This genuine Italian-made, ISO 4401 compliant pilot-operated check valve features dual locking on ports A and B to prevent cylinder drift. Perfect for industrial manifold and subplate mounting.

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