HAITIAN SOLENOID OPERATED DIRECTIONAL VALVE SWH-G03-C22-D24-20-M3

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Product details

HAITIAN SWH-G03-C22-D24-20-M3 Solenoid Operated Directional Valve

Basic Explanation

HAITIAN: Brand of Haitian, the original supporting hydraulic valve for Haitian injection molding machines with general specifications compatible with Yuken DSG series.

Solenoid Operated Directional Valve: It switches oil circuit directions by energizing electromagnets to drive the spool, controlling cylinder extension/retraction and motor forward/reverse rotation, serving as the core control valve in hydraulic systems of injection molding machines.

Code-by-Code Breakdown (Universal Coding Rule for Haitian SWH Series)

SWH

Series code: Wet-type solenoid directional valve with mounting dimensions compatible with Yuken DSG-03. It is a standard part for injection molding machines; the wet electromagnet can be immersed in hydraulic oil for heat dissipation, featuring high durability and impact resistance.

G03

Mounting specification: Size 03 port (6-point oil port), subplate mounting, with a maximum rated flow of 80L/min, suitable for main oil circuit control of medium and large injection molding machines.

C22

Spool function (neutral position oil circuit configuration)

C22 function: 3-position 4-way design with closed P port and interconnected A, B and T ports for unloading at neutral position.

- At neutral standby: The high-pressure pump port P is locked to maintain pressure, while cylinder ports A and B connect to return port T for pressure relief and floating status.

- Typical applications: Pressure relief at neutral position for mold clamping and injection cylinders to avoid oil circuit overpressure and cylinder drifting.

D24

Electromagnet power supply specification: DC24V direct current, the most widely used industrial DC electromagnet for machine tools and injection molding machines with gentle startup impact and long service life.

Design revision: The 20th upgraded version with optimized spool fitting clearance, reduced internal leakage and extended service life under frequent switching operations.

Optional accessory code: Equipped with manual override push rod and rubber dust cap, allowing manual spool actuation for on-site commissioning and troubleshooting during power failure.

Key Technical Parameters

1. Port size: G03 (10-size nominal diameter)

2. Rated flow rate: 80 L/min

3. Max working pressure: 25 MPa

4. Control voltage: DC24V

5. Structure: 3-position 4-way wet-type solenoid, subplate mounting

6. Neutral spool function: C22 (P closed, A-B-T interconnected)

7. Standard configuration: M3 manual emergency push rod

8. Application: Mold clamping, injection and ejector oil circuit control for all Haitian injection molding machines, and supporting hydraulic automation equipment.

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