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Check Valves(Supply Side, Plumbing Thread Nominal:1/4B)

Check valves for fluids are a type of valves which allow fluids to flow in one direction, but automatically close when the flow reverses. They are also called non-return valves or one-way valves. They can prevent the backflow securely and open with small differential pressure. They are applied to piping systems where the backflow prevention is required, frequent open/close are expected, some restrictions exist around the pipings, etc. To install, there are screw-in connection type to screw in the check valve, and flangeless type that clamps the entire check valve with pipes. Furthermore, they are divided into small diameter valves or large diameter valves. Materials of the main body are copper alloy, stainless steel, fluoropolymer, plastic, etc. Sealing materials vary depending on the application; metal is used for places where the temperature becomes high due to steam, etc., and rubber is for places under low temperatures such as hot or cold water.
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  • You can add up to 6 items per a category to the compare list.
    A-Check Socket Type

    A-Check Socket Type

    ASOH

    The check valve main body is a dual-thread type.
    [Features]
    · For helping space-saving when piping.
    · The simple poppet structure ensures no leaks from back pressure.
    From: ฿ 1,234.45
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    A-Check Nipple Type
    Until 31/03/2025

    Sale
    Until 31/03/2025

    A-Check Nipple Type

    ASOH

    The check valve body is a dual external-thread type.
    [Features]
    · For helping save space when piping.
    · The simple poppet structure ensures no leaks from back pressure.
    From: ฿ 578.40
    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.
    Sale
    Check Valve/Oil Hydraulic
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Check Valve/Oil Hydraulic

    MISUMI

    [Features]·Incorporating this product into the hydraulic circuit prevents backflow.
    From: ฿ 2,265.90
    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.
    Double-Ended Male Check Valve - Brass Type
    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.
    Check Fitting CSA

    Check Fitting CSA

    KOYO

    Cadmium-free brass material is used. [Features]
    · Complete fitting with a joint and a check valve.
    · Advantageous fitting for the space and cost perspectives.
    · The spring poppet check valve gives the flow direction to the piping system
    From: ฿ 631.18
    Days to Ship: day to ship 22 Day(s)
    day to ship 22 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Check Fitting CSB
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Check Fitting CSB

    KOYO

    Made using cadmium-free brass material.

    [Features]
    · A fitting in which a fitting and check valve are integrated.
    · A useful fitting for saving space and cost.
    · The spring poppet check valve provides flow direction to the piping system
    From: ฿ 605.68
    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.
    Double-Ended Female Check Valve - Brass Type
    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.
    Check Valve (Brass)

    Check Valve (Brass)

    ESCO

    Machine tools, cleaning machines, various hydraulic equipment, analyzers, boilers, burners, construction machinery, drip prevention, gas mixers, fluid control systems.
    From: ฿ 1,072.00
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    125H Model Bronze Screw-in Type Swing Check Valve

    125H Model Bronze Screw-in Type Swing Check Valve

    TOYO VALVE

    A valve that is safe for use in corrosive environments.
    From: ฿ 910.51
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
Brand
Product Series
CAD
From
Days to Ship
Applicable Fluid
Type
Material
Max. Operating Pressure(MPa)
Nominal Pressure
Supply Side, Connection Type
Supply Side, Plumbing Thread Nominal
Control Side, Connection Type
Control Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
Control Side, Tube Flange Nominal
Cracking Pressure(MPa)
You can add up to 6 items per a category to the compare list.
A-Check Socket Type
You can add up to 6 items per a category to the compare list.
Sale
A-Check Nipple Type
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Check Valve/Oil Hydraulic
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Double-Ended Male Check Valve - Brass Type
You can add up to 6 items per a category to the compare list.
Check Fitting CSA
You can add up to 6 items per a category to the compare list.
Sale
Check Fitting CSB
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Double-Ended Female Check Valve - Brass Type
You can add up to 6 items per a category to the compare list.
Check Valve (Brass)
You can add up to 6 items per a category to the compare list.
125H Model Bronze Screw-in Type Swing Check Valve
Brand

ASOH

ASOH

MISUMI

SNL FITTING

KOYO

KOYO

SNL FITTING

ESCO

TOYO VALVE

Product Series

A-Check Socket Type

A-Check Nipple Type

Check Valve/Oil Hydraulic

Double-Ended Male Check Valve - Brass Type

Check Fitting CSA

Check Fitting CSB

Double-Ended Female Check Valve - Brass Type

Check Valve (Brass)

125H Model Bronze Screw-in Type Swing Check Valve

CAD
  • 2D / 3D
  • 3D
  • 3D
  • 2D
From

฿ 1,234.45

฿ 578.40

Special Price

On Sale Until 31/03/2025

฿ 2,265.90

Special Price

On Sale Until 31/03/2025

฿ 100.00

฿ 631.18

฿ 605.68

Special Price

On Sale Until 31/03/2025

฿ 100.00

฿ 1,072.00

฿ 910.51

Days to Ship 3 Day(s) Same day Same day Quote 22 Day(s) Same day Quote 3 Day(s) 3 Day(s)
Applicable FluidWater / AirWater / AirOil-AirAir-Oil / GasWater / Others
TypeSpring Type (In-line)Spring Type (In-line)Spring Type (In-line)Swing TypeSpring Type (In-line)Spring Type (In-line)Swing Type-Swing Type
MaterialBrass ~ Stainless SteelBrass ~ Stainless SteelSteelBrassBrassBrassBrassBrassBronze
Max. Operating Pressure(MPa)2234.5702121704.91.2
Nominal PressureNo Standard, OthersNo Standard, Others--No Standard, OthersNo Standard, Others--125
Supply Side, Connection TypeRc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)
Supply Side, Plumbing Thread Nominal1/4B1/4B1/4B1/4B1/4B1/4B1/4B1/4B1/4B
Control Side, Connection TypeRc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)Rc (R)-
Control Side, Plumbing Thread Nominal1/4B1/4B1/4B1/4B1/4B1/4B1/4B1/4B1/4B
Supply Side, Tube Flange Nominal---------
Control Side, Tube Flange Nominal---------
Cracking Pressure(MPa)0.0070.0070.04-0.05 ~ 0.30.05 ~ 0.3-0.007-

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