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Check Valves（Material：Stainless Steel）

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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Specification/Dimensions

Applicable Fluid
- Water
- Air
- Oil
- Gas
- Chemical
- Others
Clear

Type
- Swing Type
- Lift Type
- Spring Type (In-line)
- Wafer Type
- Others
Clear

Material
Brass

Bronze

Cast Iron

Cast Steel

Ductile Cast Iron

Lead-free Copper Alloy

Resin

Stainless Steel

Stainless Steel Cast

Steel
Clear

Max. Operating Pressure(MPa)
0.5

0.6

0.98

1

1.18

1.2

1.37

1.4

1.6

2

2.1

2.2

2.75

2.8

3.4

4.9

5.1

21.0

34.5

70
Clear

Nominal Pressure
10K

16K

20K

125

150

200

300

No Standard, Others
Clear

Supply Side, Connection Type
Flange

Rc (R)
Clear

Supply Side, Plumbing Thread Nominal
1B

1 1/2B

1 1/4B

1/2B

1/4B

1/8B

2B

2 1/2B

3B

3/4B

3/8B

4B
Clear

Control Side, Connection Type
Flange

Rc (R)
Clear

Control Side, Plumbing Thread Nominal
1B

1 1/2B

1 1/4B

1/2B

1/4B

1/8B

2B

2 1/2B

3B

3/4B

3/8B

4B
Clear

Supply Side, Tube Flange Nominal
1B

1 1/2B

1 1/4B

1/2B

2B

2 1/2B

3B

3/4B

4B

5B

6B

8B

10B

12B
Clear

Control Side, Tube Flange Nominal
1B

1 1/2B

1 1/4B

1/2B

2B

2 1/2B

3B

3/4B

4B

5B

6B

8B

10B

12B
Clear

Cracking Pressure(MPa)
0.007

0.04

0.05

0.3
Clear

Brand	(0) (0) ASOH (2) ESCO (0) HITACHIVALVE (0) ISHIZAKI CO (0) KITZ (0) KOYO (0) MIYAWAKI (0) ONDASEISAKUSYO (0) RS Pro (0) SEKISUI CHEMICAL (0) SNL FITTING (0) TOMOEVALVE (0) TOYO VALVE (2) VENN (0) YOSHITAKE (1)
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CAD	2D 3D
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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: ฿ 1,840.35
Days to Ship: 3 Day(s)

3 Day(s)

Compare

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: ฿ 1,727.09
Special Price
Days to Ship: Same day

Same day

Compare

Check Valve SCV-2 Series

YOSHITAKE

SCV-2 is inline type check valve which prevents backflow of the fluids. Widely used in steam or water (heated water) pipes. Also effective for preventing water hammer.
[Features]
· This is inline type to enable the piping compactly.
· Direction (horizontal or vertical) of attaching pipes has no restrictions.

From: ฿ 100.00
Days to Ship: Quote

Quote

Compare

10K Type / 20K Type Stainless Steel Wing Stainless Steel Wing Check Valve

TOYO VALVE

A wafer-type multi-functional check. Lightweight and compact, with a slim body and built-in water hammer prevention function and bypass circuit.

From: ฿ 100.00
Days to Ship: Quote

Quote

Compare

Class 10 K - Screw-in Type Swing Check Valve

TOYO VALVE

·Stainless steel valve U series. ·It can be used for general purpose and construction equipment.

From: ฿ 2,521.91
Days to Ship: 3 Day(s)

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.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	ASOH	ASOH	YOSHITAKE	TOYO VALVE	TOYO VALVE
Product Series	A-Check Socket Type	A-Check Nipple Type	Check Valve SCV-2 Series	10K Type / 20K Type Stainless Steel Wing Stainless Steel Wing Check Valve	Class 10 K - Screw-in Type Swing Check Valve
CAD					2D
From	฿ 1,840.35	฿ 1,727.09 Special Price On Sale Until 31/03/2025	฿ 100.00	฿ 100.00	฿ 2,521.91
Days to Ship	3 Day(s)	Same day	Quote	Quote	3 Day(s)
Applicable Fluid	Water / Air	Water / Air	Water / Air	Water / Air / Oil	Water / Air / Oil / Gas / Others
Type	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Wafer Type	Swing Type
Material	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel
Max. Operating Pressure(MPa)	2	2	1.6	2.8	1
Nominal Pressure	No Standard, Others	No Standard, Others	No Standard, Others	20K	10K
Supply Side, Connection Type	Rc (R)	Rc (R)	Rc (R)	Flange	Rc (R)
Supply Side, Plumbing Thread Nominal	1/2B ～ 3/8B	1/2B ～ 3/8B	1B ～ 3/4B	-	1B ～ 3/4B
Control Side, Connection Type	Rc (R)	Rc (R)	Rc (R)	Flange	Rc (R)
Control Side, Plumbing Thread Nominal	1/2B ～ 3/8B	1/2B ～ 3/8B	1B ～ 3/4B	-	1B ～ 3/4B
Supply Side, Tube Flange Nominal	-	-	-	6B	-
Control Side, Tube Flange Nominal	-	-	-	6B	-
Cracking Pressure(MPa)	0.007	0.007	-	-	-