Quasi-Relief Valve Maintenance Kit – Product Overview 

Product Overview

The Quasi-Relief Valve Maintenance Kit provides a complete service solution for hybrid relief valves that combine features of conventional pressure relief and proportional control valves. These kits restore precise pressure management in hydraulic and pneumatic systems while maintaining the unique "quasi-relief" functionality that bridges standard relief and unloading valve operations.

Key Features

✔ Complete Seal & Trim Replacement - All critical wear components included
✔ Hybrid Valve Optimization - Specifically designed for quasi-relief valve architectures
✔ Precision-Calibrated - Maintains original cracking/reseat accuracy (±2% FS)
✔ Multi-Pressure Configuration - Supports stepped relief functions
✔ Energy Efficient - Restores proper system unloading characteristics

Technical Parameters Table

Applications

✔ Mobile Hydraulics - Hybrid construction equipment
✔ Energy Recovery - Hydraulic hybrid vehicles
✔ Test Stands - Pulsating pressure systems
✔ Process Control - Multi-stage pressure limiting
✔ Marine - Deck machinery safety circuits

Benefits

• Restores Stepped Relief Function - Maintains quasi-relief characteristics

• Prevents System Damage - Renewed components eliminate pressure spikes

• Energy Savings - Proper unloading reduces pump load

• Extended Service Life - Hardened materials resist cavitation

• Quick Rebuild - Color-coded components with visual guide

Standard Kit Includes:

• Pilot stage poppet and seat

• Main valve disc and seat

• Stem seals and wear bushings

• Dual-rate spring set

• Anti-vibration shims

• Installation torque specifications

Maintenance Schedule

Special Configurations Available:

1. High-Frequency Kits (For pulsating systems)

2. Water-Glycol Compatible Seals

3. Corrosion-Resistant Trim Packages (316SS/Hastelloy)

4. Smart Monitoring Ready (With sensor ports)

This maintenance solution ensures your quasi-relief valves maintain their unique pressure management capabilities while preventing costly system failures. Request OEM-specific compatibility details for your equipment!