P40 Monoblock Directional Valves

P40 monoblock directional valves control oil flow for compact mobile hydraulic systems.

Power Beyond (HPCO) port carries high-pressure oil downstream to feed auxiliary valves or other hydraulic functions.

Compact cast-iron monoblock design reduces external piping and supports direct machine installation.

Technical Specifications
Nominal 40 L/min (10.5 GPM) | 250 bar (25 MPa) | Port BSPP G3/8, G1/2 or SAE-10 (7/8-14 UNF) / SAE-12 (1-1/16-12 UN) options

P40 Monoblock Directional Valve

Product Overview

P40 Monoblock Directional Valve is a robust multi-spool integrated Hydraulic valve. The whole valve body is cast as one single block, with multiple control spools assembled inside to control the flow direction, pressure and flow rate of the hydraulic system. Each spool independently controls one actuator. This valve is widely fitted on various mobile Machine, featuring compact structure, strong anti-pollution ability and easy operation. It can be customized with different spool functions, relief valves and check valves according to working requirements.

Technical Specifications

- Valve type: Monoblock / one-piece cast body directional control Hydraulic valve

- Rated flow: 40 L/min

- Max working pressure: 250 bar

- Operation mode: Manual lever control (optional pneumatic / hydraulic remote control)

- Spool options: Multiple spool land functions for selection

- Body material: High strength cast iron

- Mounting: Standard flange and port connections

- Number of spools: Customizable from 1 to 7 spools

Working Principle

This monoblock Hydraulic valve integrates main valve body, pressure relief valve, check valves and control spools into one unit. When operating the control lever, the spool slides inside the valve body to switch oil passages. It changes the oil flow direction of the hydraulic system, so hydraulic cylinders or hydraulic motors can extend, retract or stop. The built-in relief valve limits maximum system pressure to protect components. The check valve prevents load drop caused by oil backflow, ensuring safe operation of the Machine.

Core Advantages

1. Monoblock one-piece cast structure, high rigidity, good shock resistance, less leakage

2. Rated flow 40L/min, compact size, easy to install and maintain on mobile Machine

3. Built-in pressure relief and anti-drop check valve, protects the whole hydraulic system

4. Multiple spool quantity and spool function options, flexible configuration

5. Good contamination resistance, stable performance under harsh site working conditions

Application Range

Designed for the hydraulic system of various mobile Machine: small excavators, forklifts, agricultural machinery, road rollers, sanitation trucks, lifting platforms, mini loaders and other mobile construction equipment.