MSCC Series Modular Solenoid Operated Double Direction Check Valves

Overview

The MSCC Series Modular Solenoid Operated Check Valve is a high-performance hydraulic control component available in two specifications: MSCC-02 (NG6 size) and MSCC-03 (NG10 port size). This modular valve combines the functions of a check valve with solenoid control, enabling precise bidirectional flow management in hydraulic systems.

Key Functions

表格

Primary Applications

• Injection Molding Machines – Precise control of mold clamping and ejection cylinders

• Machine Tools – Maintaining position accuracy on workholding fixtures and vertical axes

• Material Handling Equipment – Safe load holding and controlled lowering in forklifts and lifting platforms

• Press Machinery – Reliable support of heavy upper dies and slides

• Construction Equipment – Hydraulic cylinder locking for excavators, loaders, and aerial platforms

• Automotive Manufacturing – Assembly line fixture positioning and welding gun balancing

Detailed Usage Scenarios

Scenario 1: Vertical Cylinder Load Holding

In hydraulic presses or lifting equipment, the MSCC valve is installed at the rod or cap end of a vertical cylinder. When the main directional valve centers (neutral position), the MSCC automatically blocks return flow, preventing the load from drifting downward. This eliminates the need for continuous pump pressure to maintain position, improving energy efficiency and safety.

Scenario 2: Controlled Load Lowering

For applications requiring precise lowering of heavy loads (such as die casting machines or hydraulic lifts), the MSCC enables smooth, controlled descent. The operator energizes the solenoid to gradually open the pilot circuit, allowing metered reverse flow rather than uncontrolled free fall.

Scenario 3: Emergency Stop & Safety Locking

In automated production lines, the MSCC serves as a critical safety component. Upon emergency stop activation, the solenoid de-energizes instantly, locking the hydraulic actuator in position regardless of line pressure fluctuations—protecting both equipment and personnel.

Scenario 4: Accumulator Circuit Isolation

When used with accumulator systems, the MSCC prevents accumulator discharge back through the pump during shutdown, maintaining system readiness and extending pump life.

Technical Advantages

• Compact Modular Construction – Eliminates external piping, reducing leak points and installation footprint

• High Pressure Rating – Suitable for systems up to 315 bar (4,570 psi)

• Low Pressure Drop Design – Optimized internal flow path minimizes energy loss

• Durable Solenoid Coils – IP65-rated connectors with LED indicators for status monitoring

• Easy Maintenance – Cartridge-style internal components allow field service without complete valve removal

Specifications

表格

This versatile valve is an essential component for any hydraulic system requiring reliable load holding, precise motion control, and enhanced operational safety.