PSVF Plate-Mounted Proportional Spool Valves

PSVF Plate-Mounted Proportional Spool Valves

7 day ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

PSVF Plate‑Mounted Proportional Spool Valves

Product Overview

PSVF Plate‑Mounted Proportional Spool Valves are high‑performance load‑sensing Hydraulic valve, specially optimized for variable‑pump hydraulic system . As the central control assembly, it precisely adjusts oil flow, flow direction and working pressure for multiple actuators on the Machine. Adopting plate‑mounted flange manifold connection, it can work as a single independent valve or be assembled into combined valve banks. Each valve slice is flexibly configurable according to equipment operating requirements. Rear‑positioned oil ports simplify pipeline layout and facilitate on‑site maintenance, greatly improving integration performance of the whole hydraulic circuit .

Technical Specifications

- Product Name: PSVF Plate‑Mounted Proportional Spool Valves

- Category: Hydraulic valve

- Working Medium: Mineral‑based hydraulic oil

- Maximum Working Pressure: up to 420 bar

- Rated Flow: Multiple specifications for different flow requirements

- Control Modes: Manual, hydraulic pilot, electro‑proportional control

- Matching System: Variable displacement pump hydraulic system[(HAWE Hydra...)]

- Operating Temperature: ‑20℃ ~ +80℃

- Structure: Plate‑mounted flange, modular combinable valve bank

- Core Feature: Load‑sensing feedback, independent section pressure compensation, multi‑actuator simultaneous independent operation

Working Principle

This precision Hydraulic valve applies mature load‑sensing pressure‑compensated spool theory. Inside the hydraulic system, control signals drive spool displacement, changing the opening area of oil passages, so as to realize stepless regulation of flow and direction for hydraulic cylinders and hydraulic motors fitted on the Machine.

Each valve section is equipped with independent pressure compensator to keep stable output flow regardless of load variation. The load‑sensing signal transmits real‑time load pressure to the variable pump. The pump automatically adjusts displacement to match actual working demand, reducing overflow loss and oil temperature rise. Several actuators can run at different speeds simultaneously without mutual interference. Built‑in over‑pressure protection avoids overload damage to the whole Machine. The plate‑mounted flange design enables convenient disassembly without disturbing surrounding piping connections.

Key Advantages

1. Plate‑mounted flange modular construction; single‑valve or multi‑slice valve‑bank assembly available, simplifies construction of the hydraulic system.

2. Optimized for variable‑pump circuits. Load‑sensing function delivers outstanding energy‑saving performance and effectively lowers system heat generation.

3. Multiple control options: manual, hydraulic pilot and electro‑proportional, adaptable to traditional operation and intelligent automatic control for the Machine.

4. High proportional control accuracy, low hysteresis, smooth switching transition, effectively reduces hydraulic impact during startup and direction reversal.

5. Rear‑side oil‑port layout for easy piping and field servicing; rugged metal structure and good anti‑pollution performance, reliable under harsh mobile‑machinery working conditions[(HAWE Hydra...)].

Application Scope

This heavy‑duty Hydraulic valve is widely integrated into the hydraulic system of various Machine: truck‑mounted cranes, mobile lifting equipment, drilling rigs, aerial work platforms, forestry machinery, municipal special‑purpose vehicles and engineering machinery. It undertakes multi‑action control for lifting, slewing, telescoping, travelling and clamping of complex mobile hydraulic equipment[(HAWE Hydra...)].

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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