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Directional control valves
Directional control valves
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Product code: 06146336
Brand -
Oleodinamica Mozioni
DN 6
maximum working pressure: 350 bar
maximum flow rate: 25 l/min
Product code: 06146548
Brand -
Oleodinamica Mozioni
DN 6, 10
maximum working pressure: 350 bar
maximum flow rate: 120 l/min
Product code: 06146337
Brand -
Oleodinamica Mozioni
DN 6
maximum working pressure: 420 bar
maximum flow rate: 25 l/min
Product code: 06756423
Brand -
GMS
up to 12 sections
maximum working pressure: 315 bar
maximum flow rate: 80 l/min
Product code: 06986919
Brand -
Vibo
3/4–16 UNF
2-way
Product code: 061006960
Brand -
VIS Hydraulics
7/8-14 UNF
2-way
maximum working pressure: 420 bar
maximum flow rate: 120 l/min
Product code: 061006959
Brand -
VIS Hydraulics
M18x1.5
2-way
maximum working pressure: 350 bar
maximum flow rate: 40 l/min
Product code: 06726652
Brand -
Kazel
G3/4
maximum working pressure: 350 bar
maximum flow rate: 140 l/min
Product code: 06726653
Brand -
Kazel
G1
maximum working pressure: 350 bar
maximum flow rate: 250 l/min
Product code: 06120713
Brand -
Ponar
DN 6
maximum working pressure: 350 bar
maximum flow rate: 80 l/min
Product code: 06120714
Brand -
Ponar
DN 10
maximum working pressure: 350 bar
maximum flow rate: 160 l/min
Product code: 06120697
Brand -
Ponar
DN 16
maximum working pressure: 350 bar
maximum flow rate: 240 l/min
Product code: 06311665
Brand -
Badestnost
up to 7 spool valves
maximum working pressure: 300 bar
maximum flow rate: 40 l/min
Product code: 06311668
Brand -
Badestnost
up to 6 spool valves
maximum working pressure: 300 bar
maximum flow rate: 80 l/min
Product code: 06311671
Brand -
Badestnost
up to 4 spool valves
maximum working pressure: 300 bar
maximum flow rate: 120 l/min
Product code: 06311685
Brand -
Badestnost
up to 7 spool valves
maximum working pressure: 250 bar
maximum flow rate: 50 l/min
Product code: 06666965
Brand -
Motorimpex
010 – threaded on both sides, 054 – ball with KIT, 059 – ball without KIT, 029 – fork without KIT, 061 – fork with KIT
length: 1–3 m
Product code: 06836611
Brand -
NEO-DCV
G3/8"
up to 8 sections
maximum working pressure: 315 bar
maximum flow rate: 40 l/min
Product code: 06146328
Brand -
Oleodinamica Mozioni
DN 6
maximum working pressure: 315 bar
maximum flow rate: 80 l/min
Product code: 06146329
Brand -
Oleodinamica Mozioni
DN 10
maximum working pressure: 315 bar
maximum flow rate: 120 l/min
Product code: 06146338
Brand -
Oleodinamica Mozioni
DN 16, 25, 32
maximum working pressure: 350 bar
maximum flow rate: 1100 l/min
Product code: 06146330
Brand -
Oleodinamica Mozioni
DN 6
maximum working pressure: 315 bar
maximum flow rate: 60 l/min
Product code: 06146331
Brand -
Oleodinamica Mozioni
DN 10
maximum working pressure: 315 bar
maximum flow rate: 100 l/min
Product code: 06146333
Brand -
Oleodinamica Mozioni
DN 16
maximum working pressure: 315 bar
maximum flow rate: 300 l/min
Product code: 06146334
Brand -
Oleodinamica Mozioni
DN 25
maximum working pressure: 315 bar
maximum flow rate: 450 l/min
Product code: 06311686
Brand -
Badestnost
up to 6 spool valves
maximum working pressure: 300 bar
maximum flow rate: 80 l/min
Product code: 06311688
Brand -
Badestnost
up to 8 sections
maximum working pressure: 300 bar
maximum flow rate: 70 l/min
Product code: 06120690
Brand -
Ponar
DN 6
maximum working pressure: 315 bar
maximum flow rate: 80 l/min
Product code: 06120691
Brand -
Ponar
DN 10
maximum working pressure: 350 bar
maximum flow rate: 160 l/min
Product code: 06241062
Brand -
Atos
DN 6
maximum working pressure: 350 bar
maximum flow rate: 60 l/min
Product code: 06311681
Brand -
Badestnost
up to 6 spool valves
maximum working pressure: 300 bar
maximum flow rate: 80 l/min
with manual override
Product code: 06756424
Brand -
GMS
up to 12 sections
maximum working pressure: 315 bar
maximum flow rate: 100 l/min
Product code: 06756425
Brand -
GMS
up to 12 sections
maximum working pressure: 315 bar
maximum flow rate: 150 l/min
Product code: 06241064
Brand -
Atos
DN 10
maximum working pressure: 350 bar
maximum flow rate: 150 l/min
Product code: 06241067
Brand -
Atos
DN 6
Product code: 06241058
Brand -
Atos
DN 6, 10, 16, 22
maximum working pressure: 350 bar
maximum flow rate: 1000 l/min
Product code: 06241059
Brand -
Atos
DN 10, 16, 22, 32
maximum working pressure: 350 bar
maximum flow rate: 1000 l/min
Product code: 06526414
Brand -
Luen
3/4–16 UNF
2-way
maximum working pressure: 300 bar
maximum flow rate: 40 l/min
Product code: 06525993
Brand -
Luen
3/4–16 UNF
2-way
maximum working pressure: 300 bar
maximum flow rate: 40 l/min
Product code: 06525994
Brand -
Luen
G3/4
2-way
maximum working pressure: 300 bar
maximum flow rate: 80 l/min
Product code: 06525995
Brand -
Luen
G1
2-way
maximum working pressure: 300 bar
maximum flow rate: 150 l/min
Product code: 06525996
Brand -
Luen
3/4–16 UNF
2-way
maximum working pressure: 210 bar
maximum flow rate: 25 l/min
Product code: 06526416
Brand -
Luen
1–1/16 UNF
2-way, double lock
maximum working pressure: 250 bar
maximum flow rate: 130 l/min
Product code: 06645129
Brand -
Galtech
up to 8 sections
maximum working pressure: 350 bar
maximum flow rate: 95 l/min
Product code: 06120689
Brand -
Ponar
DN 5
maximum working pressure: 315 bar
maximum flow rate: 16 l/min
Product code: 06120698
Brand -
Ponar
DN 22
maximum working pressure: 350 bar
maximum flow rate: 450 l/min
Product code: 06120699
Brand -
Ponar
DN 32
maximum working pressure: 350 bar
maximum flow rate: 1100 l/min
Product code: 06120712
Brand -
Ponar
DN 5
maximum working pressure: 250 bar
maximum flow rate: 16 l/min
Category description
Directional control valves
The directional control valves directs the flow of working fluid into various chambers of the actuators within the hydraulic system. The pressurized oil flow moves the working components of equipment and special machinery, such as machines, presses, manipulators, and other similar devices.
The primary component in most directional control valves is the control element, which in 95% of cases is a spool valve. The advantages of spool-type directional control valves include reliability, durability, cost-effectiveness, ease of manufacturing, and interchangeability. Directional control valves with seat-type control elements (such as balls, cones, or discs) are less common due to their lower flow capacity and higher cost.ть.
The main task of a directional control valves is to correctly direct the fluid flow to all necessary parts, elements, or components within the entire hydraulic system.
Directional control valve transfers hydraulic power from the source (pumps), which pressurizes the hydraulic fluid flow to the actuator (hydraulic cylinder, hydraulic motor).
Based on the received data (proportional or discrete electrical signal), the directional control valve determines how to distribute the flow between hydraulic cylinders, motors, and other devices.
Types of Directional Control Valves
Directional control valves are classified by the type of control applied to the shut-off and control element. Ranked by decreasing frequency of use in hydraulic drives:
— Manual;
— Electromagnetic;
— Electro-hydraulic;
— Electromagnetic with manual override;
— Hydraulic;
— Mechanical;
— Pneumatic.
Depending on the tasks the hydraulic system needs to solve, combined types of directional control valve control are often used.
Operating Principle
The directional control valve functions based on the configuration of the edges on the spool valve body, which, in the appropriate working positions, connect and separate the channels A, B, P, and T. The distribution scheme is selected according to the required operating modes of the hydraulic system..
When held in a neutral position by return springs, the spool valve either unloads the system or keeps the flow of working fluid closed. When acted upon by one of the control types, the spool moves to a working position and connects the corresponding channels, through which the fluid movement activates the actuators in the required direction. When the control influence on the shut-off and control element ceases, it returns to its original position.
For additional safety, directional control valves are often equipped with limit switches to monitor the spool valve position.
Example of Hydraulic Cylinder Control
In the provided diagram, in position "0" of the electromagnetic control, the fluid flow from the hydraulic pump to the cylinder is blocked. In position "b", fluid under pressure from channel P flows through channel A into the piston chamber of the hydraulic cylinder. The rod extends, and at the same time, oil from the rod chamber is drained from channel B through channel T into the hydraulic tank. When the spool of the directional control valve is switched to position «a» the rod chamber is filled, and the working fluid from the piston chamber is drained — thus retracting the cylinder rod.
Connection to the Hydraulic System
The main types of connection are face (plate) and threaded.
Face-mounted directional control valves have a standardized nominal diameter (ND) and port arrangement. The port side of the directional control valve body is tightly aligned with the corresponding port configuration on the side of the mounting plate or modular valve. The mated surfaces of the plates are tightly bolted together, most commonly found in machine tool hydraulic drives.
Monoblock and sectional directional control valves with threaded ports are connected by high-pressure hoses or pipes, most commonly used on tractors, graders, manipulators, and similar special machiner.
Cartridge mounting refers to normally-open and normally-closed directional control valves, which are screwed into mounting plates via the threaded part of their body.
Depending on the number of actuators (operations), the system must have a corresponding number of channels. For this purpose, face-mounted directional control valves are assembled in sets on a mounting plate, while threaded directional control valves are either manufactured with multiple spools in a single body or assembled from sections. Each spool can have an individual configuration in such assemblies.
How Does a Directional Control Valve Work?
A directional control valve is a component within a hydraulic system that controls the direction of fluid flow. The directional control valve receives hydraulic fluid and directs it to the necessary actuators (such as pistons, motors, and mechanisms). This component can be controlled by either an operator or an electronic control unit.
Types of Directional Control Valves?
Different types of directional control valves and their descriptions are listed in the table:
|
Type of Directional Control Valve |
Description |
|
Monoblock |
All necessary components are housed within a single body |
|
Multiblock |
Comprised of multiple blocks that work together |
|
Two-position |
Used to control two states of a system, such as forward/backward movement |
|
Three-position |
Used to control three states of a system, such as forward/backward movement, and stopping at a desired position |
|
Proportional |
Provides maximum precision in movements |
Where to Buy a Directional Control Valve?
A smart choice is to purchase a directional control valve from MOTORIMPEX, as the company provides licensed equipment and has extensive experience in installation, operation, and maintenance, whether as a standalone unit or integrated into complete hydraulic systems.
Product code: 501026998
Brand -
Kozmaksan
pulling force: 6.8 t
flow rate: 60 l/min
working pressure: 155 bar
rope: 25 m x Ø 12 mm
Product code: 501027001
Brand -
Kozmaksan
pulling force: 4.5 t
motor displacement: 50 cm3/rev
flow rate: 5 - 45 l/min
rope: 25 m x Ø 10 mm
Product code: 201017018
Brand -
OMFB
maximum working pressure: 290 bar
maximum displacement: 122.72 cm3/rev
Product code: 201017006
Brand -
OMFB
maximum working pressure: 400 bar
maximum displacement of section: 75.1 cm3/rev
Product code: 12146986
Brand -
Oleodinamica Mozioni
DN 6, 10
maximum working pressure: 315 bar
maximum flow rate: 180 l/min
Product code: 11806588
Brand -
HST
capacity: 0.075–4 l
maximum working pressure: 350 bar
Product code: 05356705
Brand -
OMT
G3/8
maximum working pressure: 350 bar
Product code: 27666796
Brand -
Motorimpex
DN 10
G1/4
maximum working pressure: 350 bar
maximum flow rate: 120 l/min
Product code: 521016991
Brand -
OMFB
for ZF trucks
maximum continuous torque: 300 N∙m
Product code: 55776474
Brand -
Airneo
G1/8, М5х0,8, G1/4, G3/8, G1/2
scheme: 5/2, 5/3
max. number of cycles per sec.: 5
response time: 0,05 sec
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