HSV08-220-00 Normally-Closed Threaded Cartridge Valve

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Product details

HSV08-220-00 Normally-Closed Threaded Cartridge Valve

1. Product Overview

HSV08-220-00 is a 08-port normally-closed solenoid threaded cartridge valve for compact hydraulic circuits. It stays closed under power-off conditions and opens when energized to switch oil flow paths. Designed to pair perfectly with HP08-00 manual hydraulic pumps and other 08-series cartridge valves, it is widely used in construction machinery, small hydraulic tooling, agricultural machinery and mobile equipment for basic on-off loop control.

HSV08-220-00 Normally-Closed Threaded Cartridge Valve is a high-performance Hydraulic valve. As a standard screw-in CARTRIDGE VALVE, it serves as a key control component inside the hydraulic system. This two-position two-way poppet-type valve adopts threaded installation and can be directly assembled into integrated manifold blocks, simplifying pipeline layout and making the whole hydraulic system more compact. In power-off status, the valve remains closed to block oil flow, effectively realizing circuit cut-off and load holding functions for the hydraulic system.

2. Core Technical Specifications

Parameter Specification

Port Size 08 standard cartridge mounting size

Default State Normally closed (closed when de-energized)

Common Coil Voltage DC24V (factory default), AC220V optional

Rated Working Pressure 21 MPa, peak pressure up to 25 MPa

Seal Material Oil-resistant nitrile rubber for mineral hydraulic oil

Recommended Fluid ISO VG32 / VG46 anti-wear hydraulic oil

Operating Temperature -10℃ ~ 80℃

Installation Screw-in threaded cartridge mounting inside standard valve blocks

3. Working Principle

When the solenoid coil is unpowered, the internal spool is held against the seat by spring force to block the flow passage. Once the coil is energized, electromagnetic force overcomes spring preload to shift the spool and open the oil path for medium circulation. Cutting power releases the electromagnetic force, and the spring resets the spool to close the passage instantly for reliable flow shutoff.

4. Key Advantages

1. Compact screw-in structure saves manifold space for lightweight hydraulic systems

2. Stable normally-closed fail-safe design cuts flow automatically during power loss for system protection

3. Interchangeable with full HSV/SHF/DHF 08-series valves and HP08-00 manual pumps for flexible circuit assembly

4. Durable wear-resistant spool and aging-proof seals lower maintenance frequency

5. Multiple voltage options fit diverse on-board and industrial power supply standards

5. Typical Applications

- On-off control for small hydraulic clamping jigs

- Hydraulic circuit switching for mini construction and agricultural machinery

- Auxiliary oil path control for mobile maintenance hydraulic units

- Simple automated pressure holding and release loops

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