VENN Check valves for fittings（Control Side, Plumbing Thread Nominal：1B）

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CS-7N Type Check Valve (for Cold / Hot Water)

VENN

Ensures a safe and reliable supply of water for various types of industrial water supply systems by preventing backflow (due to backpressure resulting from pressure drops when the supply is cut off). Compliant with the Japan Water Works Association 'JWWA-B-129 Backflow Preventer Valve' standard. A check valve is installed on the inlet end of the mixing valve to ensure the safety of industrial water supply and hot water systems.

[Features]
·Allows for easy maintenance, without having to remove the check valve from the pipe.
• The provision of an inspection hole allows for easy function checks.
·Reduces pressure drops.
• Usable with warm water up to 90°C.
• Pipe end cores are used for connectors, as they are made of material that won't rust, thus preventing rust-colored water.

Starting from^∗ ：	319.34 €
Min. Shipping Days ：	10 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Type
Applicable Fluid
Nominal Pressure
Body Material
Supply Side, Connection Type
Supply Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
Control Side, Connection Type
Control Side, Plumbing Thread Nominal
Control Side, Tube Flange Nominal
Max. Operating Pressure(MPa)
Cracking Pressure(MPa)


Brand	VENN
Product Series	CS-7N Type Check Valve (for Cold / Hot Water)
Starting from^∗	319.34 € *Unit price with basic configuration
Min. Shipping Days ：	10 Days
Type	Others
Applicable Fluid	Water / Others
Nominal Pressure	No Standard, Others
Body Material	Bronze
Supply Side, Connection Type	Rc (R)
Supply Side, Plumbing Thread Nominal	1B
Supply Side, Tube Flange Nominal	-
Control Side, Connection Type	Rc (R)
Control Side, Plumbing Thread Nominal	1B
Control Side, Tube Flange Nominal	-
Max. Operating Pressure(MPa)	1
Cracking Pressure(MPa)	-

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Type
- Swing Type
- Lift Type
- Spring Type (In-line)
- Wafer Type
- Others
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Applicable Fluid
- Water
- Air
- Oil
- Gas
- Chemical
- Others
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Nominal Pressure
10K

16K

20K

125

150

200

No Standard, Others
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Body Material
Brass

Bronze

Cast Iron

Cast Stainless Steel

Ductile Cast Iron

Lead-free Copper Alloy

Stainless Steel

Steel
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Supply Side, Connection Type
Flange

Rc (R)
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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
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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
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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
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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
Clear

Max. Operating Pressure(MPa)
0.6

0.98

1

1.18

1.2

1.37

1.4

1.6

2

2.1

2.2

2.75

21.0

34.5
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Cracking Pressure(MPa)
0.007

0.04

0.05

0.3
Clear

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