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Relief Valves

A relief valve is a device that discharges pressure and keeps it at a normal value so that the pressure in piping does not exceed a specified value. Also called a safety valve, it is used in the hydraulic circuits of drive equipment. It automatically releases the pressure caused by the fluid sent from the pump, and prevents problems such as rupture of piping, damage to peripheral devices and liquid leakage. The general mechanism is that a valve that is closed by the force of a spring opens when a pressure greater than the force of the spring is applied. The direct-acting type and the balance piston type are often used, while the direct-acting type has a relatively large structure with a large spring, and the balanced piston type has a small spring and is less likely to chatter. Some direct-acting products also have a structure that prevents chattering.
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  • You can add up to 6 items per a category to the compare list.
    Electromagnetic Proportional Pilot Relief Valve

    Electromagnetic Proportional Pilot Relief Valve

    NACHI(FUJIKOSHI)

    A direct acting type relief valve that resists the hydraulic force and suction force from direct current solenoids.

    [Features]
    · A direct acting type relief valve that resists the hydraulic force and suction force from direct current solenoids.
    · Connects to vent ports in small capacity hydraulic systems or in balanced piston type pressure control valves to enable continuous pressure control in proportion to input currents.
    From: ฿ 100.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Pilot Operation Type Relief Valve

    Pilot Operation Type Relief Valve

    YUKENKOGYO

    Protects the pump and control valve from excessive pressures while simultaneously keeping the pressures within the hydraulic system at a constant level. The vent circuits also enable remote control and unloading.
    From: ฿ 11,181.66
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Pilot Operated Relief Valve J Series

    Pilot Operated Relief Valve J Series

    DAIKINKOGYO

    [Features]
    · Enables stable pressure control over a broad range of flow rates and can also act as a safety valve.
    · Connecting the remote control relief tube to the vent port enables remote main circuit pressure control.
    · Using the vent port enables the same functionality as an unload valve.
    · High venting options are also available.
    From: ฿ 100.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Relief Valve R Type

    Relief Valve R Type

    NACHI(FUJIKOSHI)

    [Features]
    · A balanced piston type relief valve.
    · Controls the maximum pressure in the hydraulic circuits and also acts as a safety valve.
    · Remote pressure control and unloading circuits are possible by using vent ports.
    From: ฿ 100.00
    Days to Ship: day to ship 5 Day(s)
    day to ship 5 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Electromagnetic Proportional Relief Valve

    Electromagnetic Proportional Relief Valve

    NACHI(FUJIKOSHI)

    [Features]
    · Combines a small, high performance proportional solenoid pilot operated relief valve and a balanced piston type relief valve. Controls the pressure in proportion to the input current.
    · As the controlled pressure is not overly affected by fluctuations in oil temperature and flow rates, it is able to control complex pressures (force) using an open loop system.
    From: ฿ 100.00
    Days to Ship: day to ship 90 Day(s)
    day to ship 90 Day(s)
  • You can add up to 6 items per a category to the compare list.
    RI Series Relief Valve (ISO Mounting, Balanced Piston Type)

    RI Series Relief Valve (ISO Mounting, Balanced Piston Type)

    NACHI(FUJIKOSHI)

    [Features]
    · A high pressure, large capacity balanced piston type relief valve.
    · Controls the maximum pressures in hydraulic circuits and also acts as a safety valve.
    · Remote pressure operation and unload circuits are possible by using vent ports.
    From: ฿ 100.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Electromagnetic Switching Release Valve

    Electromagnetic Switching Release Valve

    YUKENKOGYO

    A combination valve with integrated relief valve and solenoid operated direction control valve. Uses electrical signals to operate pumps (no-load operation). When used together with pilot operated relief valves it can control two or three pressures within hydraulic systems.
    From: ฿ 29,295.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    02 Series Stack Type Relief Valve

    02 Series Stack Type Relief Valve

    DAIKINKOGYO

    A control valve with a modularized control section and stacked structure.
    From: ฿ 11,683.00
    Days to Ship: day to ship 57 Day(s)
    day to ship 57 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Pilot Operation Type Relief Valve H series

    Pilot Operation Type Relief Valve H series

    DAIKINKOGYO

    [Features]
    · Enables stable pressure control over a broad range of flow rates and can also act as a safety valve.
    · Connecting the remote control relief valve to the vent port enables remote control of the main circuit.
    · Using the vent port enables the same functionality as an unload valve.
    From: ฿ 100.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Direct Relief Modular Valve

    Direct Relief Modular Valve

    NACHI(FUJIKOSHI)

    [Features]
    · Features a modularized direct acting type relief valve. Controls the maximum pressures in hydraulic circuits and also acts as a safety valve.
    · Can be used in a broad range of environments. Features a maximum operating pressure of 25, 35MPa (255, 357kgf/cm2) and a pressure operating range of 0.8 to 21, 25, 35MPa (8.2 to 214, 255, 357kgf/cm2).
    From: ฿ 100.00
    Days to Ship: day to ship 60 Day(s)
    day to ship 60 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Remote Control Relief Valve

    Remote Control Relief Valve

    NACHI(FUJIKOSHI)

    [Features]
    · Connect to the vent ports of balanced piston type pressure control valves such as relief or reducing valves for easy remote control of pressure levels.
    · The RCD type can also be used as a direct acting type of relief valve.
    From: ฿ 100.00
    Days to Ship: day to ship 7 Day(s)
    day to ship 7 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Solenoid control relief valve

    Solenoid control relief valve

    NACHI(FUJIKOSHI)

    A valve with a wet type solenoid valve mounted onto a balanced piston type relief valve. Used for constructing unload circuits in hydraulic devices.

    [Features]
    · The shockless type features a built-in mechanism for preventing shocks generated during unloading. Can also be used for depressurizing circuits. Adjustment takes around three seconds at most.
    · Adding a relief modular valve enables the construction of two-pressure control circuits.
    From: ฿ 100.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Sale
    Direct Acting Type Relief Valve, S Series
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Direct Acting Type Relief Valve, S Series

    DAIKINKOGYO

    Suffers little from pressure override and features almost equivalent performance to a pilot operated type. A vibration-proof structure that doesn't generate much in the way of chatter, even under high pressure conditions. Boasts a wide pressure adjustment range and even allows for easy pressure adjustment in low pressure ranges.
    From: ฿ 7,011.69
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Direct Acting Type Relief Valve, H Series

    Direct Acting Type Relief Valve, H Series

    DAIKINKOGYO

    [Features]
    · Suffers little from pressure override and features almost equivalent performance to a pilot operated type.
    · A vibration-proof structure that doesn't generate much in the way of chatter, even under high pressure conditions.
    From: ฿ 100.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Brake Modular Valve

    Brake Modular Valve

    NACHI(FUJIKOSHI)

    [Features]
    · Features a modularized pressure control valve to enable smooth stopping. This is done by preventing abnormal pressures from occurring when stopping the actuator.
    · Can be used in a broad range of environments. Features a maximum operating pressure of 25MPa (255kgf/cm2) and a pressure adjustment range of 0.8 to 21, 25MPa (2 to 214, 255kgf/cm2).
    From: ฿ 100.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    Relief Modular Valve

    Relief Modular Valve

    NACHI(FUJIKOSHI)

    The product is a modularized relief valve. Can be used across a broad range of pressures. Also acts as a safety valve by controlling the maximum pressures in hydraulic circuits.
    [Features]
    · A modularized relief valve. Controls the maximum pressures in hydraulic circuits and also acts as a safety valve.
    · Can be used in a broad range of environments. Features maximum operating pressure of 25, 35 MPa {255, 357 kgf/cm^2} and a pressure operating range of 0.8 to 25, 35 MPa {8.2 to 255, 357 kgf/cm^2}.
    · Different systems are available via solenoid valve switching, including shockless unloading, 2-pressure control, etc.
    From: ฿ 100.00
    Days to Ship: day to ship Quote
    day to ship Quote
  • You can add up to 6 items per a category to the compare list.
    RI series solenoid control relief valve

    RI series solenoid control relief valve

    NACHI(FUJIKOSHI)

    A valve with a wet type solenoid valve mounted onto a balanced piston type release valve. Used for constructing unload circuits in hydraulic devices.

    [Features]
    · The shockless type features a built-in mechanism to prevent shocks generated during unloading.
    · Can also be used for depressurizing circuits. Adjustment takes around three seconds at most (see depressurizing circuit usage example). Adding a relief modular valve enables the construction of two-pressure control circuits.
    From: ฿ 100.00
    Days to Ship: day to ship 60 Day(s)
    day to ship 60 Day(s)
Brand
Product Series
From
Days to Ship
You can add up to 6 items per a category to the compare list.
Electromagnetic Proportional Pilot Relief Valve
You can add up to 6 items per a category to the compare list.
Pilot Operation Type Relief Valve
You can add up to 6 items per a category to the compare list.
Pilot Operated Relief Valve J Series
You can add up to 6 items per a category to the compare list.
Relief Valve R Type
You can add up to 6 items per a category to the compare list.
Electromagnetic Proportional Relief Valve
You can add up to 6 items per a category to the compare list.
RI Series Relief Valve (ISO Mounting, Balanced Piston Type)
You can add up to 6 items per a category to the compare list.
Electromagnetic Switching Release Valve
You can add up to 6 items per a category to the compare list.
02 Series Stack Type Relief Valve
You can add up to 6 items per a category to the compare list.
Pilot Operation Type Relief Valve H series
You can add up to 6 items per a category to the compare list.
Direct Relief Modular Valve
You can add up to 6 items per a category to the compare list.
Remote Control Relief Valve
You can add up to 6 items per a category to the compare list.
Solenoid control relief valve
You can add up to 6 items per a category to the compare list.
Sale
Direct Acting Type Relief Valve, S Series
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Direct Acting Type Relief Valve, H Series
You can add up to 6 items per a category to the compare list.
Brake Modular Valve
You can add up to 6 items per a category to the compare list.
Relief Modular Valve
You can add up to 6 items per a category to the compare list.
RI series solenoid control relief valve
Brand

NACHI(FUJIKOSHI)

YUKENKOGYO

DAIKINKOGYO

NACHI(FUJIKOSHI)

NACHI(FUJIKOSHI)

NACHI(FUJIKOSHI)

YUKENKOGYO

DAIKINKOGYO

DAIKINKOGYO

NACHI(FUJIKOSHI)

NACHI(FUJIKOSHI)

NACHI(FUJIKOSHI)

DAIKINKOGYO

DAIKINKOGYO

NACHI(FUJIKOSHI)

NACHI(FUJIKOSHI)

NACHI(FUJIKOSHI)

Product Series

Electromagnetic Proportional Pilot Relief Valve

Pilot Operation Type Relief Valve

Pilot Operated Relief Valve J Series

Relief Valve R Type

Electromagnetic Proportional Relief Valve

RI Series Relief Valve (ISO Mounting, Balanced Piston Type)

Electromagnetic Switching Release Valve

02 Series Stack Type Relief Valve

Pilot Operation Type Relief Valve H series

Direct Relief Modular Valve

Remote Control Relief Valve

Solenoid control relief valve

Direct Acting Type Relief Valve, S Series

Direct Acting Type Relief Valve, H Series

Brake Modular Valve

Relief Modular Valve

RI series solenoid control relief valve

From

฿ 100.00

฿ 11,181.66

฿ 100.00

฿ 100.00

฿ 100.00

฿ 100.00

฿ 29,295.00

฿ 11,683.00

฿ 100.00

฿ 100.00

฿ 100.00

฿ 100.00

฿ 7,011.69

Special Price

On Sale Until 31/03/2025

฿ 100.00

฿ 100.00

฿ 100.00

฿ 100.00

Days to Ship Quote Quote Quote 5 Day(s) 90 Day(s) Quote Quote 57 Day(s) Quote 60 Day(s) 7 Day(s) Quote Same day Quote Quote Quote 60 Day(s)

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