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Check Valves（Type：Spring Type (In-line)）

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.

9 items

: 30; 45; 60

Days to Ship	All Same day 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 12 Day(s) or Less 13 Day(s) or Less 14 Day(s) or Less

Check Valve/Oil Hydraulic

MISUMI

[Features]·Incorporating this product into the hydraulic circuit prevents backflow.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 83.90-
Days to Ship:	Same day or more

Malleable Valve, General-Purpose 10K Type, Check Valve (Inline Type), Screw-in Type

HITACHIVALVE

An economical and strong malleable valve. The main parts are made from stainless steel for better abrasion resistance compared to bronze valves. Optimal for steel pipes. Resists corrosion caused by differences in contact potentials.

CAD ：: 2D

Standard Price:	SGD 42.33-
Days to Ship:	4 Day(s) or more

Check Valve (Inline Chuck) [for Steam, Hot Water and Cold Water] CVC3 Type

MIYAWAKI

[Features]
・ It prevents water hammer regardless of whether the heating coil is capped or hairpin type
・ Excellent sealing performance at low pressure due to counter weight
・ The squeezing mechanism inside the main body prevents water droplets from leaking to the outside
・ Excellent durability due to all stainless steel
・ It prevents foreign object from entering with a strainer standard equipment
・ Inline type for compact piping
・ The mounting position can be freely set vertically, horizontally or diagonally
[Applications]
・ Ideal for preventing backflow of steam/water (hot water) piping

Standard Price:	SGD 95.24-
Days to Ship:	4 Day(s) or more

A-Check Socket Type

ASOH

This is a check valve with a double internal screw type body.
[Features]
·Piping space can be saved.
·Due to the simple poppet structure, there is no leakage against non-return pressure.

Standard Price:	SGD 35.60-
Days to Ship:	4 Day(s) or more

Check Fitting CSA

KOYO

Cadmium-free brass material is used.

[Features]
· Complete fitting with a joint and a check valve.
· Advantageous fitting for the space and cost perspectives.
· The spring poppet check valve gives the flow direction to the piping system

Standard Price:	SGD 22.21-
Days to Ship:	23 Day(s) or more

Check Fitting CSB

KOYO

Cadmium-free brass material is used.

[Features]
· A fitting with an integrated fitting and check valve.
· A useful fitting for saving on spaces and costs.
· The spring poppet check valve provides flow direction to the piping system

Standard Price:	SGD 17.78-
Days to Ship:	4 Day(s) or more

Check Valve, Check Valve for Door-to-Door Water Supply, CV-25U Series

YOSHITAKE

Suitable for use in door-to-door water supply in residential complexes and like. Can prevent backflow of contaminated water from water faucets, equipment, and the like when negative pressure occurs inside water mains due to water supply cut off, etc. Spring action design enables pipe mounting in any direction (horizontal or vertical).

Standard Price:	SGD 63.57-
Days to Ship:	8 Day(s) or more

Check Valve (Inline Check) [for water, Hot water] CV5R Type

MIYAWAKI

[Features]
・ Inline type for compact piping
・ The mounting position can be freely set vertically, horizontally or diagonally
[Applications]
・ Ideal for preventing backflow of hot water piping up to 80°C

Standard Price:	SGD 106.95
Days to Ship:	18 Day(s) or more

A-Check Nipple Type

ASOH

This is a check valve whose main body is a screw type on both sides.
[Features]
·Piping space can be saved.
·Due to the simple poppet structure, there is no leakage against non-return pressure.

Standard Price:	SGD 19.19-
Days to Ship:	4 Day(s) or more


Brand
Product Series
CAD
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)


Brand	MISUMI	HITACHIVALVE	MIYAWAKI	ASOH	KOYO	KOYO	YOSHITAKE	MIYAWAKI	ASOH
Product Series	Check Valve/Oil Hydraulic	Malleable Valve, General-Purpose 10K Type, Check Valve (Inline Type), Screw-in Type	Check Valve (Inline Chuck) [for Steam, Hot Water and Cold Water] CVC3 Type	A-Check Socket Type	Check Fitting CSA	Check Fitting CSB	Check Valve, Check Valve for Door-to-Door Water Supply, CV-25U Series	Check Valve (Inline Check) [for water, Hot water] CV5R Type	A-Check Nipple Type
CAD	2D / 3D	2D
Days to Ship	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	23 Day(s) or more	4 Day(s) or more	8 Day(s) or more	18 Day(s) or more	4 Day(s) or more
Applicable Fluid	Oil	Water / Air / Oil	Water	Water / Air	Air	Air	Water	Water	Water / Air
Type	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)
Material	Steel	Bronze	Stainless Steel Cast	Brass ～ Stainless Steel	Brass	Brass	Brass	Stainless Steel Cast	Brass ～ Stainless Steel
Max. Operating Pressure(MPa)	34.5	1.37	2.1	2	21	21	-	1.6	2
Nominal Pressure	-	10K	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others
Supply Side, Connection Type	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	G	Rc (R)	Rc (R)
Supply Side, Plumbing Thread Nominal	1/2B ～ 3/8B	1B ～ 3/4B	1B ～ 3/4B	1/2B ～ 3/8B	1/4B	1/4B ～ 1/8B	1B ～ 3/4B	3/4B	1/2B ～ 3/8B
Control Side, Connection Type	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)
Control Side, Plumbing Thread Nominal	1/2B ～ 3/8B	1B ～ 3/4B	1B ～ 3/4B	1/2B ～ 3/8B	1/4B	1/4B ～ 1/8B	1B ～ 1 1/4B	3/4B	1/2B ～ 3/8B
Supply Side, Tube Flange Nominal	-	-	-	-	-	-	-	-	-
Control Side, Tube Flange Nominal	-	-	-	-	-	-	-	-	-
Cracking Pressure(MPa)	0.04	-	-	0.007	0.05 ～ 0.3	0.05	-	-	0.007

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

Ductile Cast Iron

Lead-free Copper Alloy

Stainless Steel

Stainless Steel Cast

Steel
Clear

Max. Operating Pressure(MPa)
0.6

0.98

1

1.18

1.2

1.37

1.4

1.6

1.96

2

2.1

2.2

2.75

4.9

21.0

34.5
Clear

Nominal Pressure
10K

16K

20K

125

150

200

No Standard, Others
Clear

Supply Side, Connection Type
Flange

G

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

3/8B

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

3/8B

4B

5B

6B

8B

10B

12B
Clear

Cracking Pressure(MPa)
0.007

0.04

0.05

0.3
Clear

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Check Valves（Type：Spring Type (In-line)）

Configure

Specification/Dimensions

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)

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