PSVL-54CG Flow Control Valve

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

3 year

Product details

PSVL-54CG Flow Control Valve Technical Specification

Product Name: PSVL-54CG Flow Control Valve

Model Code: PSVL-54CG

Function: Precision regulation of hydraulic fluid flow in excavator hydraulic systems.

Key Specifications

【表格】

Parameter Specification

Operating Pressure 0-35 MPa (0-5,075 PSI)

Flow Range 5-54 L/min (1.32-14.27 GPM)

Body Material Carbon Steel (Stainless Steel optional)

Connection Type Flange Connection (DN25)

Media Compatibility Hydraulic Oil (ISO VG32-VG68)

Temperature Range -20°C to +80°C (-4°F to +176°F)

Design Features

1. High-Precision Control: Infinite flow adjustment via helical spool with ≤±2% accuracy.

2. Pressure Resistance: Reinforced valve body for high-pressure construction machinery applications.

3. Leak-Proof Sealing: Dual O-ring seals prevent hydraulic oil leakage.

4. Plug-and-Play Compatibility: Direct replacement for Kubota/CAT original valves without pipeline modifications.

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Applicable Excavator Models

Compatible Equipment:

• Kubota 155 Series Excavators

• System: Main pump pressure control circuit

• Installation: Right-side hydraulic valve block interface

• Caterpillar 305.5 Series Excavators

• System: Boom/arm speed control circuit

• Installation: Valve block above hydraulic tank

Compatibility Notes:

• Fully matches OEM hydraulic port dimensions (Metric M22×1.5 or SAE 7/8-14UNF).

• Supports CAT 305.5 CR/CR2/GC sub-models (confirm hydraulic system version).

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Application Examples

1. Kubota 155 Performance Optimization

• Issue: Slow boom lifting reduces loading efficiency.

• Solution: Increase flow from 30L/min to 45L/min via PSVL-54CG, reducing cycle time by 20%.

2. CAT 305.5 Precision Operation

• Issue: Arm jitter during fine control impedes accurate positioning.

• Solution: Adjust PSVL-54CG to minimum 5L/min flow for millimeter-level control.

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Installation & Maintenance

Installation Procedure:

1. Shut down engine and depressurize hydraulic system.

2. Remove original valve (use dedicated socket tool).

3. Clean interfaces and apply hydraulic sealant (Loctite 577 recommended).

4. Install PSVL-54CG vertically with torque: 80-90N·m.

Maintenance Schedule:

• Inspect spool wear every 500 hours.

• Replace hydraulic filter every 1,000 hours (use CAT/Kubota OEM parts).

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