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S20 Check Valve

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  • S20 Check Valve

The S20 Check Valve is a high-performance check valve product under Rexroth. It is widely used in hydraulic systems to control the one-way flow of oil and prevent countercurrent. The following is a detailed introduction to the S20 check valve:

1. Product Features

Compact structure, easy to install, S20 check valve design is compact, supports a variety of installation methods (such as threaded connection, plate connection, etc.) to meet different installation needs.

For example, the S20A model uses threaded connections and is flexible to install and is suitable for hydraulic systems with space-constrained.

The high sealing performance adopts a conical valve core design, with excellent sealing performance to ensure no leakage of oil.

The valve body and the valve core are sealed with metal or soft seals, which are suitable for high-pressure and high-speed working conditions.

The pressure range is broad nominal pressure up to 31.5MPa, suitable for medium and high pressure hydraulic systems.

For example, the S20A model has a nominal pressure of 31.5MPa, which meets the needs of most industrial hydraulic systems.

Large flow rate, fast response, wide flow range, suitable for large flow hydraulic systems.

The fast response characteristics ensure the system pressure is stable and reduce pressure fluctuations.

The material is durable and has a long service life. The valve body is usually cast iron or cast steel. It is corrosion-resistant and wear-resistant and has a long service life.

For example, the S20A model valve body is made of cast iron and is suitable for conventional industrial environments.

2. Technical parameters

Parameter description

Model S20 series (such as S20A, S20P, etc.)

Nominal pressure 31.5MPa

Working temperature and room temperature (some models support high temperature environment)

Connection method, threaded, plate connection, etc.

Suitable for medium hydraulic oil, water glycol, etc.

Sealing type metal seal, soft seal

III. Application scenarios

Industrial hydraulic systems are used in hydraulic circuits of machine tools, injection molding machines, die-casting machines and other equipment to prevent oil from flowing backflow.

Construction machinery is used in hydraulic systems of excavators, cranes and other equipment to ensure stable system pressure.

Metallurgical equipment is used to control the unidirectional movement of hydraulic cylinders in steel rolling mills, continuous casting machines and other equipment.

Ship and marine engineering is used in hydraulic systems such as servo and anchoring machines to adapt to harsh marine environments.


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