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Check Valves（Supply Side, Tube Flange Nominal：2 1/2B）

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 (0) ISHIZAKI CO (2) KITZ (5) KOYO (0) MIYAWAKI (0) ONDASEISAKUSYO (0) RS Pro (0) SEKISUI CHEMICAL (0) SNL FITTING (0) TOMOEVALVE (1) TOYO VALVE (3) 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

11 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: ฿ 14,591.25
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: ฿ 48,132.00
Special Price
Days to Ship: 4 Day(s)

4 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: ฿ 20,428.00
Special Price
Days to Ship: 25 Day(s)

25 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: ฿ 8,965.76
Days to Ship: 4 Day(s)

4 Day(s)

Compare

150 Type. Cast Iron Flanged Swing Check Valve

TOYO VALVE

This is a cast steel swing check valve with body material carbon steel SCPH

[Features]
· For more information on the materials and dimensions, please refer to the delivery drawings.
· The JIS 10K flange type has "F10K" added to the end of the product number.
· Valve dual surface seat: Hard Facing (hard walls) has "DS" added to the end of the product number.
With nominal diameter 150 mm or greater, it is a "hanging bolt (eye bolt)".
· End flange gasket surface finish is "Spiral serrated, " and comes standard. (Not a flat surface finish).
· The drain seat and bypass seat are set in the "A, B, C, D, E, F and G" positions governed by MSS standard SP-45. (Nominal diameter 100 A or greater).
This is the standard product and is unpainted. (Nominal diameter 250, 300 A have silver paint). For specified paint, we can give a quote.

From: ฿ 100.00
Days to Ship: Quote

Quote

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: ฿ 27,337.50
Special Price
Days to Ship: 25 Day(s)

25 Day(s)

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: ฿ 36,412.00
Special Price
Days to Ship: 25 Day(s)

25 Day(s)

Compare

10K-Type Cast Iron Wing Check Valve

TOYO VALVE

Lead-free copper alloy to provide safe water. Used for water and hot-water supply.

From: ฿ 8,878.68
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Straight SMC Type JIS10K　

ISHIZAKI CO

[Features]
· Nylon-coated product suitable for water lines used for washing facilities and high-floor construction, etc.
· JWWA Certified and Registered product.
· SCS13 material, which is durable, is used for valve rods, valve bodies, upper and lower guides, and valve seats for 10K 40A to 150A.

From: ฿ 26,640.17
Days to Ship: 6 Day(s)

6 Day(s)

Compare

Bata-Check 903C/906C

TOMOEVALVE

Bata-Check 903C Valve
[Specifications]
- Main Body Shape: Wafer Type
- Applicable Fluid: Water/Air
- Applicable Flange Standard: JIS 10K
- Standard Material Main Body: FC250
- Supply Side, Connection Type: Flange
- Control Side, Connection Type: Flange
- Max. Operating Pressure (MPa): 1
- Valve Body Material: CAC702
- Sheet Ring Material: NBR

From: ฿ 100.00
Days to Ship: Quote

Quote

Compare

Until 31/03/2026

Straight Type SM Type JIS10K　

ISHIZAKI CO

[Features]
· Standard model that can be manufactured with ductile or bronze in addition to cast iron.
· Lineup includes a wide range from 10K to 63K.
· SCS13 material, which is durable, is used for valve rods, valve bodies, upper and lower guides and valve seats for 10K 40A to 150A.

From: ฿ 11,449.39
Special Price
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	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 Until 31/03/2026
Brand	KITZ	KITZ	KITZ	TOYO VALVE	TOYO VALVE	KITZ	KITZ	TOYO VALVE	ISHIZAKI CO	TOMOEVALVE	ISHIZAKI CO
Product Series	10SRBF, 10K Ductile Iron Swing Check Valve	OB, 10K Cast Bronze Swing Check Valve	General Purpose Ductile Iron Class 150 Swing Check Valve Flange	JIS 10K Type - Cast Iron F Type Swing Check Valve (JIS B 2031)	150 Type. Cast Iron Flanged Swing Check Valve	UOB, 10K Cast Stainless Steel Swing Check Valve	Stainless Steel General-Purpose 10K Swing Check (SCS14A) Valve Flange	10K-Type Cast Iron Wing Check Valve	Straight SMC Type JIS10K	Bata-Check 903C/906C	Straight Type SM Type JIS10K
CAD				2D				2D		2D
From	฿ 14,591.25 Special Price On Sale Until 31/03/2026	฿ 48,132.00 Special Price On Sale Until 31/03/2026	฿ 20,428.00 Special Price On Sale Until 31/03/2026	฿ 8,965.76	฿ 100.00	฿ 27,337.50 Special Price On Sale Until 31/03/2026	฿ 36,412.00 Special Price On Sale Until 31/03/2026	฿ 8,878.68	฿ 26,640.17	฿ 100.00	฿ 11,449.39 Special Price On Sale Until 31/03/2026
Days to Ship	3 Day(s)	4 Day(s)	25 Day(s)	4 Day(s)	Quote	25 Day(s)	25 Day(s)	5 Day(s)	6 Day(s)	Quote	5 Day(s)
Applicable Fluid	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Oil / Gas	Water / Oil / Others	Water	Water / Air / Oil / Gas	Water / Air / Oil / Gas	Water / Air / Oil	Water	Water / Air	Water
Type	Swing Type	Swing Type	Swing Type	Swing Type	Swing Type	Swing Type	Swing Type	Wafer Type	Others	Wafer Type	Others
Material	Ductile Cast Iron	Bronze	Ductile Cast Iron	Ductile Cast Iron	Cast Steel	Stainless Steel Cast	Stainless Steel Cast	Cast Iron	Cast Iron	Cast Iron	Cast Iron
Max. Operating Pressure(MPa)	1.4	1.4	1.73	1.4	1.4 ～ 2	1.4	1.4	1.4	0.98	1	0.98
Nominal Pressure	10K	10K	150	10K	10K ～ 150	10K	10K	10K	10K	10K	10K
Supply Side, Connection Type	Flange	Flange	Flange	Flange	Flange	Flange	Flange	Flange	Flange	Flange	Flange
Supply Side, Plumbing Thread Nominal	-	-	-	-	-	-	-	-	-	-	-
Control Side, Connection Type	Flange	Flange	Flange	Flange	Flange	Flange	Flange	Flange	Flange	Flange	Flange
Control Side, Plumbing Thread Nominal	-	-	-	-	-	-	-	-	-	-	-
Supply Side, Tube Flange Nominal	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B
Control Side, Tube Flange Nominal	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B	2 1/2B
Cracking Pressure(MPa)	-	-	-	-	-	-	-	-	-	-	-