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Check Valves（Material：Ductile Cast Iron）

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 (0) HITACHIVALVE (4) ISHIZAKI CO (0) KITZ (7) KOYO (0) MIYAWAKI (0) ONDASEISAKUSYO (0) RS Pro (0) SEKISUI CHEMICAL (0) SNL FITTING (0) TOMOEVALVE (0) TOYO VALVE (2) VENN (0) YOSHITAKE (0)
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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

13 items

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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

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

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

JIS 10K Type - Cast Iron F Type Swing Check Valve (JIS B 2031)

TOYO VALVE

A FC200 main body material cast iron F type swing check valve.

[Features]
· Suppresses water hammer increasing the disc closing speed and improves the sealing performance by setting the counterweight in the Closed moment position.
· The opening and closing of the disc is performed more smoothly and the flow of the low-voltage fluid is accelerated by setting the counterweight in the Open moment position and maintaining the balance with the disc.
· The inner structure of the swing check valve with a counterweight is simpler compared to other shock absorbing reverse valves. Therefore, there are fewer blockages caused by contaminants.
· The swing check valve with a counterweight enables both horizontal and vertical pipe connections.

From: ฿ 6,636.44
Days to Ship: 4 Day(s)

4 Day(s)

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

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

Malleable Valve, 10K Type, Check Valve (Swing Type) Flanged

HITACHIVALVE

Special liquids can be handled by replacing the packing, gasket or main part. 13Cr stainless steel is used for main parts, allowing use of high temperature fluids up to 300°C.

From: ฿ 23,384.22
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Malleable Valve, General-Purpose, 10K Type, Check Valve (Lift Type), Flanged

HITACHIVALVE

An economical and strong malleable valve. Main parts are mostly stainless steel, which offers superior abrasion resistance to bronze. Optimal for iron-based pipes, as corrosion caused by contact potential difference is suppressed.

From: ฿ 11,222.44
Days to Ship: 6 Day(s)

6 Day(s)

Compare

Malleable Valve, 10K Type, Check Valve (Lift Type) Flanged

HITACHIVALVE

Special liquids can be handled by replacing the packing, gasket or main part. 13Cr stainless steel used for main parts, allowing high temperature fluids up to 300°C to be used.

From: ฿ 5,736.58
Days to Ship: 6 Day(s)

6 Day(s)

Compare

Malleable Valve, 20K Type, Check Valve (Swing Type), Flanged

HITACHIVALVE

The main parts are made of 13Cr stainless steel, allowing high temperature fluids up to 350°C to be used. Special liquids can be handled by changing the packing, gasket or main part.

From: ฿ 64,305.12
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)


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	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	TOYO VALVE	KITZ	KITZ	HITACHIVALVE	HITACHIVALVE	HITACHIVALVE	HITACHIVALVE	TOYO VALVE
Product Series	10SRBF, 10K Ductile Iron 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	20SOB, 20K Ductile Iron Swing Check Valve	JIS 10K Type - Cast Iron F Type Swing Check Valve (JIS B 2031)	10SFBF, 10K Ductile Iron Lift Check Valve	20SN, 20K Ductile Iron Lift Check Valve	Malleable Valve, 10K Type, Check Valve (Swing Type) Flanged	Malleable Valve, General-Purpose, 10K Type, Check Valve (Lift Type), Flanged	Malleable Valve, 10K Type, Check Valve (Lift Type) Flanged	Malleable Valve, 20K Type, Check Valve (Swing Type), Flanged	16K Type Ductile Cast-Iron Screw Down Lift Check Valve
CAD						2D			2D	2D	2D	2D	2D
From	฿ 12,127.50 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	฿ 28,057.50 Special Price On Sale Until 31/03/2026	฿ 6,636.44	฿ 2,115.00 Special Price On Sale Until 31/03/2026	฿ 2,621.25 Special Price On Sale Until 31/03/2026	฿ 23,384.22	฿ 11,222.44	฿ 5,736.58	฿ 64,305.12	฿ 2,067.31
Days to Ship	3 Day(s)	3 Day(s)	3 Day(s)	25 Day(s)	3 Day(s)	4 Day(s)	3 Day(s)	3 Day(s)	5 Day(s)	6 Day(s)	6 Day(s)	5 Day(s)	5 Day(s)
Applicable Fluid	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Oil / Gas	Water / Air / Oil / Gas	Water / Oil / Others	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Air / Oil	Water / Air / Oil	Water / Air / Oil	Water / Air / Oil	Water / Air / Oil / Gas
Type	Swing Type	Lift Type	Lift Type	Swing Type	Swing Type	Swing Type	Lift Type	Lift Type	Swing Type	Lift Type	Lift Type	Swing Type	Lift Type
Material	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron	Ductile Cast Iron
Max. Operating Pressure(MPa)	1.4	1.37	2.75	1.73	2.75	1.4	1.4	2.75	1.37	1.37	1.37	2.75	2.2
Nominal Pressure	10K	10K	20K	150	20K	10K	10K	20K	10K	10K	10K	20K	16K
Supply Side, Connection Type	Flange	Rc (R)	Flange	Flange	Flange	Flange	Flange	Rc (R)	Flange	Flange	Flange	Flange	Rc (R)
Supply Side, Plumbing Thread Nominal	-	1B ～ 3/4B	-	-	-	-	-	1B ～ 3/4B	-	-	-	-	1B ～ 3/4B
Control Side, Connection Type	Flange	Rc (R)	Flange	Flange	Flange	Flange	Flange	Rc (R)	Flange	Flange	Flange	Flange	Rc (R)
Control Side, Plumbing Thread Nominal	-	1B ～ 3/4B	-	-	-	-	-	1B ～ 3/4B	-	-	-	-	1B ～ 3/4B
Supply Side, Tube Flange Nominal	1 1/2B ～ 6B	-	1B ～ 3/4B	1 1/2B ～ 8B	2B ～ 12B	1 1/2B ～ 8B	1B ～ 3/4B	-	1 1/2B	2B	1B	5B	-
Control Side, Tube Flange Nominal	1 1/2B ～ 6B	-	1B ～ 3/4B	1 1/2B ～ 8B	2B ～ 12B	1 1/2B ～ 8B	1B ～ 3/4B	-	1 1/2B	2B	1B	5B	-
Cracking Pressure(MPa)	-	-	-	-	-	-	-	-	-	-	-	-	-