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Check Valves（Applicable Fluid：Gas）

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.

Configure

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

1.73

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 (0) DANFOSS (0) ESCO (2) HITACHIVALVE (2) ISHIZAKI CO (0) KITZ (14) KOYO (0) MIYAWAKI (0) ONDASEISAKUSYO (0) RS Pro (0) SEKISUI CHEMICAL (0) SNL FITTING (0) TOMOEVALVE (0) TOYO VALVE (2) VENN (0) YOSHITAKE (0)
Filter By	All Sale Items
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Days to Ship	All Same day 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less Others

20 items

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Until 31/03/2026

O, 10K Cast Bronze Swing Check Valve

KITZ

[Features]
· Secure pipe connection seal.
· A sanitary fitting with zero fluid contamination.
· Highly durable against impact/shock and freezing.
· Excellent workability for more efficient piping.

From: ฿ 1,248.00
Special Price
Days to Ship: Same day

Same day

Compare

10SRBF, 10K Ductile Iron Swing Check Valve

Until 31/03/2026

10SRBF, 10K Ductile Iron Swing Check Valve

KITZ

A ductile iron, general-purpose 10K swing check valve flange—manufactured by Kitz Corporation, with a track record in Japan for top-class quality screw fittings/pipe components.
· Material: ductile iron
· Type: swing
· Working fluid: water, air, oil, gas

From: ฿ 12,127.50
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

Until 31/03/2026

OB, 10K Cast Bronze Swing Check Valve

KITZ

KITZ, Check Valve for Fluid, Bronze, for General Purpose,10K Swing Check Valve Flange.
[Features]
・ Secure sealing of pipe connection
・ Hygienic with zero fluid contamination
・ High durability against freezing and impact
・ Excellent workability and efficient piping is possible

From: ฿ 6,088.00
Special Price
Days to Ship: 4 Day(s)

4 Day(s)

Compare

UO, 10K Cast Stainless Steel Swing Check Valve

Until 31/03/2026

UO, 10K Cast Stainless Steel Swing Check Valve

KITZ

[Features]
· Problems often encountered in bronze and ductile iron, including insufficient strength and corrosion-resistance, are solved by development of a JIS B 2011 bronze valve.
· This stainless steel valve of flange and screw-in type is easy to use, has high-quality and a long lifespan. As a countermeasure for rusty tap-water, it is compliant with the Public Building Construction Standard Specification (Machinery and Equipment Construction Edition) and Standard SAS358 of the Japan Stainless Steel Association.

From: ฿ 2,096.00
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2026

10SF, 10K Ductile Iron Lift Check Valve

KITZ

A general purpose ductile iron 10K lift check valve screw-in from Kitz with Japan's top-class quality and experience in the field of screw fittings and parts for tubing.
· Materials: ductile cast iron
· Type: Swing
· Working fluid: water, air, oil, gas

From: ฿ 911.25
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

20SNB, 20K Ductile Iron Lift Check Valve

Until 31/03/2026

20SNB, 20K Ductile Iron Lift Check Valve

KITZ

Ductile iron valves can be used as valves for high pressure gas equipment.

From: ฿ 3,229.00
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

General Purpose Ductile Iron Class 150 Swing Check Valve Flange

Until 31/03/2026

General Purpose Ductile Iron Class 150 Swing Check Valve Flange

KITZ

A Class 150 swing check valve, flanged, for general purpose ductile iron manufactured by Kitz — Japan's top-class quality and track record in the field of screw fittings and pipe components.
· Material: ductile cast iron
· Type: Swing
· Working fluid: water, air, oil, gas

From: ฿ 17,196.00
Special Price
Days to Ship: 25 Day(s)

25 Day(s)

Compare

Swing check valve, bronze

ESCO

ESCO Check valves and swing check valves for fluids.

From: ฿ 2,084.85
Days to Ship: 3 Day(s)

3 Day(s)

Compare

20SOB, 20K Ductile Iron Swing Check Valve

Until 31/03/2026

20SOB, 20K Ductile Iron Swing Check Valve

KITZ

[Features]
· The ductile cast iron product (FCD-S) is a cast iron product that passes JIS B8270 Appendix 5-A and the standard specified by METI Public Notice No. 16 1975.8.1 (Revision, March 24, 1997 Notice No. 137) Article 4-7, Note 1, and its material is regulated specially for high pressure gas facilities, pressure containers, etc. which are different from cast iron products regulated by JISG5502 Standard for Ductile Iron (FCD400-15, etc.).
· Cast with the following chemical composition, mechanical properties and micro structure as defined in the official notice of JIS and METI for ductile iron castings (FCD-S), making it suitable for use in high pressure gas equipment or pressure vessels.

From: ฿ 28,057.50
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

UOM, 10K Cast Stainless Steel Swing Check Valve

Until 31/03/2026

UOM, 10K Cast Stainless Steel Swing Check Valve

KITZ

Kitz Fluid Check Valve Stainless Steel General Purpose 10K Swing Check (SCS14A) Valve Threaded.

From: ฿ 2,643.75
Special Price
Days to Ship: Same day

Same day

Compare

10SFBF, 10K Ductile Iron Lift Check Valve

Until 31/03/2026

10SFBF, 10K Ductile Iron Lift Check Valve

KITZ

From: ฿ 2,115.00
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

UOB, 10K Cast Stainless Steel Swing Check Valve

Until 31/03/2026

UOB, 10K Cast Stainless Steel Swing Check Valve

KITZ

KITZ, check valve for fluid, general-purpose 10 K stainless steel swing check (SCS13A) valve flange

From: ฿ 7,327.50
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

UN, 10K Cast Stainless Steel Lift Check Valve

Until 31/03/2026

UN, 10K Cast Stainless Steel Lift Check Valve

KITZ

From: ฿ 1,958.00
Special Price
Days to Ship: Same day

Same day

Compare

Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Flange

Until 31/03/2026

Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Flange

KITZ

From: ฿ 9,764.00
Special Price
Days to Ship: 25 Day(s)

25 Day(s)

Compare

Until 31/03/2026

20SN, 20K Ductile Iron Lift Check Valve

KITZ

A 20K ductile iron, threaded, general-purpose lift check valve—manufactured by Kitz Corporation, with a track record in Japan for top-class quality screw fittings/pipe components.
· Material: ductile iron
· Type: swing
· Working fluid: water, air, oil, gas

From: ฿ 2,621.25
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

Compare

H Series, 10 K Type, Screw-In Shape, Swing Type Check Valve, JIS Intersurface Space Type (JIS B 2011)

HITACHIVALVE

[Features]
·Austenitic (Cr-Ni) stainless steel with excellent corrosion resistance and durability is used.
·We have a lineup of 2 series (H&S) that consider the life cycle according to the application and purpose.
·Designed with strength balance in mind. In consideration of the aesthetics of the entire device, the H series adopts the lost-wax manufacturing method.

From: ฿ 2,691.97
Days to Ship: 5 Day(s)

5 Day(s)

Compare

H Series 10K Type Screw-In Lift Type Check Valve JIS Face-to-Face and End-to-End Type (JIS B 2011)

HITACHIVALVE

[Features]
· Stainless steel valve.

From: ฿ 2,710.11
Days to Ship: 5 Day(s)

5 Day(s)

Compare

16K Type Ductile Cast-Iron Screw Down Lift Check Valve

TOYO VALVE

A tough valve resistant to heat, corrosion abrasion resistance. Use in areas with vapor, hot water, and embedded lines where safety is a priority.

From: ฿ 2,067.31
Days to Ship: 5 Day(s)

5 Day(s)

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)

Compare

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: 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 Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	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 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2026	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	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	KITZ	KITZ	KITZ	KITZ	KITZ	KITZ	KITZ	ESCO	KITZ	KITZ	KITZ	KITZ	KITZ	KITZ	KITZ	HITACHIVALVE	HITACHIVALVE	TOYO VALVE	TOYO VALVE	ESCO
Product Series	O, 10K Cast Bronze Swing Check Valve	10SRBF, 10K Ductile Iron Swing Check Valve	OB, 10K Cast Bronze Swing Check Valve	UO, 10K Cast Stainless Steel Swing Check Valve	10SF, 10K Ductile Iron Lift Check Valve	20SNB, 20K Ductile Iron Lift Check Valve	General Purpose Ductile Iron Class 150 Swing Check Valve Flange	Swing check valve, bronze	20SOB, 20K Ductile Iron Swing Check Valve	UOM, 10K Cast Stainless Steel Swing Check Valve	10SFBF, 10K Ductile Iron Lift Check Valve	UOB, 10K Cast Stainless Steel Swing Check Valve	UN, 10K Cast Stainless Steel Lift Check Valve	Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Flange	20SN, 20K Ductile Iron Lift Check Valve	H Series, 10 K Type, Screw-In Shape, Swing Type Check Valve, JIS Intersurface Space Type (JIS B 2011)	H Series 10K Type Screw-In Lift Type Check Valve JIS Face-to-Face and End-to-End Type (JIS B 2011)	16K Type Ductile Cast-Iron Screw Down Lift Check Valve	Class 10 K - Screw-in Type Swing Check Valve	Check Valve (Brass)
CAD																2D	2D	2D	2D
From	฿ 1,248.00 Special Price On Sale Until 31/03/2026	฿ 12,127.50 Special Price On Sale Until 31/03/2026	฿ 6,088.00 Special Price On Sale Until 31/03/2026	฿ 2,096.00 Special Price On Sale Until 31/03/2026	฿ 911.25 Special Price On Sale Until 31/03/2026	฿ 3,229.00 Special Price On Sale Until 31/03/2026	฿ 17,196.00 Special Price On Sale Until 31/03/2026	฿ 2,084.85	฿ 28,057.50 Special Price On Sale Until 31/03/2026	฿ 2,643.75 Special Price On Sale Until 31/03/2026	฿ 2,115.00 Special Price On Sale Until 31/03/2026	฿ 7,327.50 Special Price On Sale Until 31/03/2026	฿ 1,958.00 Special Price On Sale Until 31/03/2026	฿ 9,764.00 Special Price On Sale Until 31/03/2026	฿ 2,621.25 Special Price On Sale Until 31/03/2026	฿ 2,691.97	฿ 2,710.11	฿ 2,067.31	฿ 2,521.91	฿ 1,072.00
Days to Ship	Same day	3 Day(s)	4 Day(s)	Same day	3 Day(s)	3 Day(s)	25 Day(s)	3 Day(s)	3 Day(s)	Same day	3 Day(s)	3 Day(s)	Same day	25 Day(s)	3 Day(s)	5 Day(s)	5 Day(s)	5 Day(s)	3 Day(s)	3 Day(s)
Applicable Fluid	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas
Type	Swing Type	Swing Type	Swing Type	Swing Type	Lift Type	Lift Type	Swing Type	Swing Type	Swing Type	Swing Type	Lift Type	Swing Type	Lift Type	Swing Type	Lift Type	Swing Type	Lift Type	Lift Type	Swing Type	-
Material	Bronze	Ductile Cast Iron	Bronze	Stainless Steel Cast	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Bronze	Ductile Cast Iron	Stainless Steel Cast	Ductile Cast Iron	Stainless Steel Cast	Stainless Steel Cast	Stainless Steel Cast	Ductile Cast Iron	Stainless Steel Cast	Stainless Steel Cast	Ductile Cast Iron	Stainless Steel	Brass
Max. Operating Pressure(MPa)	1.4	1.4	1.4	1.4	1.37	2.75	1.73	1.37	2.75	1.4	1.4	1.4	1.4	1.4	2.75	1.4	1.4	2.2	1	4.9
Nominal Pressure	10K	10K	10K	10K	10K	20K	150	-	20K	10K	10K	10K	10K	10K	20K	10K	10K	16K	10K	-
Supply Side, Connection Type	Rc (R)	Flange	Flange	Rc (R)	Rc (R)	Flange	Flange	Rc (R)	Flange	Rc (R)	Flange	Flange	Rc (R)	Flange	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)
Supply Side, Plumbing Thread Nominal	1B ～ 3/8B	-	-	1B ～ 3/4B	1B ～ 3/4B	-	-	1B ～ 3/4B	-	1B ～ 3/4B	-	-	1B ～ 3/8B	-	1B ～ 3/4B	3/4B	3/4B	1B ～ 3/4B	1B ～ 3/4B	1/2B ～ 3/8B
Control Side, Connection Type	Rc (R)	Flange	Flange	Rc (R)	Rc (R)	Flange	Flange	Rc (R)	Flange	Rc (R)	Flange	Flange	Rc (R)	Flange	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)
Control Side, Plumbing Thread Nominal	1B ～ 3/8B	-	-	1B ～ 3/4B	1B ～ 3/4B	-	-	1B ～ 3/4B	-	1B ～ 3/4B	-	-	1B ～ 3/8B	-	1B ～ 3/4B	3/4B	3/4B	1B ～ 3/4B	1B ～ 3/4B	1/2B ～ 3/8B
Supply Side, Tube Flange Nominal	-	1 1/2B ～ 6B	1B ～ 3/4B	-	-	1B ～ 3/4B	1 1/2B ～ 8B	-	2B ～ 12B	-	1B ～ 3/4B	1B ～ 3/4B	-	1B ～ 3/4B	-	-	-	-	-	-
Control Side, Tube Flange Nominal	-	1 1/2B ～ 6B	1B ～ 3/4B	-	-	1B ～ 3/4B	1 1/2B ～ 8B	-	2B ～ 12B	-	1B ～ 3/4B	1B ～ 3/4B	-	1B ～ 3/4B	-	-	-	-	-	-
Cracking Pressure(MPa)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0.007