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Check Valves（Applicable Fluid：Chemical）

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

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) ESCO (0) HITACHIVALVE (2) ISHIZAKI CO (0) KITZ (0) KOYO (0) MIYAWAKI (0) ONDASEISAKUSYO (0) RS Pro (0) SEKISUI CHEMICAL (1) SNL FITTING (0) TOMOEVALVE (0) TOYO VALVE (0) VENN (0) YOSHITAKE (0)
CAD	2D 3D
Days to Ship	All Same day 2 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less Others

3 items

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ESLON Valve, Switch Check Valve

SEKISUI CHEMICAL

[Features]
· Low flow resistance and reliable backflow prevention functionality even with a small pressure differential.
· The core valve body has high pressure resistance performance and durability.
· Liquid-exposed parts are all plastic and have superior corrosion and chemical resistance.
· Weight is 1/4 - 1/5 that of metal-based products, thus providing superior handling and piping capability.

From: ฿ 100.00
Days to Ship: Quote

Quote

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)


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	You can add up to 6 items per a category to the compare list.Compare
Brand	SEKISUI CHEMICAL	HITACHIVALVE	HITACHIVALVE
Product Series	ESLON Valve, Switch 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)
CAD		2D	2D
From	฿ 100.00	฿ 2,691.97	฿ 2,710.11
Days to Ship	Quote	5 Day(s)	5 Day(s)
Applicable Fluid	Chemical	Chemical	Chemical
Type	Swing Type	Swing Type	Lift Type
Material	Resin	Stainless Steel Cast	Stainless Steel Cast
Max. Operating Pressure(MPa)	0.5	1.4	1.4
Nominal Pressure	10K	10K	10K
Supply Side, Connection Type	Flange	Rc (R)	Rc (R)
Supply Side, Plumbing Thread Nominal	-	3/4B	3/4B
Control Side, Connection Type	Flange	Rc (R)	Rc (R)
Control Side, Plumbing Thread Nominal	-	3/4B	3/4B
Supply Side, Tube Flange Nominal	8B	-	-
Control Side, Tube Flange Nominal	8B	-	-
Cracking Pressure(MPa)	-	-	-