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- Webcode Seach | Series
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#CODE
- Discontinued Products
Check Valves（Nominal Pressure：No Standard, Others）
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.
| Days to Ship |
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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- Volume Discount
Days to Ship: 27 Days or more -
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- Volume Discount
Days to Ship: 8 Days or more -
Check Valve - Nipple Fitting, Female BSPT to Female BSPT, AS Series
Asoh
•Type : Spring Type (In-line)
•Material : 316 Stainless Steel, 3604BD
•Applicable Fluid : Air, Water
For complete product overview and details on A-Check Nipple Type see the sections below:- Volume Discount
Days to Ship: 8 Days or more -
Check Valve - Nipple Fitting, Male BSPT to Male BSPT, AT Series
Asoh
•Type : Spring Type (In-line)
•Material : 316 Stainless Steel, 3604BD
•Applicable Fluid : Air, Water
For complete product overview and details on A-Check Nipple Type see the sections below:- Volume Discount
Days to Ship: 8 Days or more
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| Product Series |
| Days to Ship |
| Type |
| Applicable Fluid |
| Nominal Pressure |
| 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) |
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| Brand | Koyo | Koyo | Asoh | Asoh |
| Product Series | Check Valve - Nipple Fitting, Female BSPT to Female BSPT, AS Series | Check Valve - Nipple Fitting, Male BSPT to Male BSPT, AT Series | ||
| Days to Ship | 27 Days or more | 8 Days or more | 8 Days or more | 8 Days or more |
| Type | Spring Type (In-line) | Spring Type (In-line) | Spring Type (In-line) | Spring Type (In-line) |
| Applicable Fluid | Air | Air | Water / Air | Water / Air |
| Nominal Pressure | No Standard, Others | No Standard, Others | No Standard, Others | No Standard, Others |
| Material | Brass | Brass | Brass ～ Stainless Steel | Brass ～ Stainless Steel |
| Supply Side, Connection Type | Rc (R) | Rc (R) | Rc (R) | Rc (R) |
| Supply Side, Plumbing Thread Nominal | 1/4B | 1/4B ～ 1/8 | 1/2B ～ 3/8B | 1/2B ～ 3/8B |
| Supply Side, Tube Flange Nominal | - | - | - | - |
| Control Side, Connection Type | Rc (R) | Rc (R) | Rc (R) | Rc (R) |
| Control Side, Plumbing Thread Nominal | 1/4B | 1/4B ～ 1/8B | 1/2B ～ 3/8B | 1/2B ～ 3/8B |
| Control Side, Tube Flange Nominal | - | - | - | - |
| Max. Operating Pressure(MPa) | 21 | 21 | 2 | 2 |
| Cracking Pressure(MPa) | 0.05 ～ 0.3 | 0.05 | 0.007 | 0.007 |
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Applicable Fluid
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Supply Side, Connection Type
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Supply Side, Plumbing Thread Nominal
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Control Side, Connection Type
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Control Side, Plumbing Thread Nominal
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Control Side, Tube Flange Nominal
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Max. Operating Pressure(MPa)
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Cracking Pressure(MPa)
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