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Check Valve AK Series
Check valves for air pressure; available in a broad range of types.
[Features]
· Large valve capacity
· Low cracking pressure at 0.02 MPa
[Applications]
· For air pressure
(i)Caution
- Refer to the catalog for product specifications.
- Product images may be representative images. Refer to the catalog for details.
Part Number
Configured Part Number is shown.
Check Valve AK Series Specifications
AK6000 external appearance
AK4000 external appearance
JIS symbol
Model
| Model | Connection port diameter | Sonic conductance dm3/(s-bar) | Critical pressure ratio | Weight g |
|---|---|---|---|---|
| AK4000-03 | 3/8 | 17 | 0.25 | 150 |
| AK4000-04 | 1/2 | 19 | 140 | |
| AK6000-06 | 3/4 | 40 | 345 | |
| AK6000-10 | 1 | 46 | 315 |
Common Specifications
| Usable fluids | Air |
|---|---|
| Guaranteed pressure resistance | 1.5 MPa |
| Maximum operating pressure | 1 MPa |
| Minimum operating pressure | 0.02 MPa |
| Ambient temperature and working fluid temperature | -5 to 60°C (no freezing) |
Flow Characteristics
Note: Representative valves are used for the flow characteristics.
AK4000-04
AK6000-06, 10
Structural Drawing
AK4000/6000 structural drawing
Components
- 1. Body (made of aluminum diecast)
- 2. Cover (made of aluminum diecast)
Replacement parts
| Number | Description | Materials | Part number | |
|---|---|---|---|---|
| AK4000 | AK6000 | |||
| 3 | Valve | POM | 19014 | 19024 |
| 4 | Spring | Stainless steel | 19015 | 19025 |
| 6 | Ring | NBR | 19016 | 19026 |
| 7 | Seat ring | Brass, NBR | 19013 | 19023 |
Dimensional Outline Drawing
Check Valve dimensional drawing
| Model | Connection port diameter | L1 | □B | H |
|---|---|---|---|---|
| AK4000-04 | 1/4, 3/8, 1/2 | 67 | 36 | 36 |
| AK6000-06, 10 | 3/4, 1 | 95 | 50 | 50 |
Units: mm
Design Notes And Selection
- 1. The valve may not open fully and may oscillate if the IN side on the check valve is throttled, even if used within the specification range detailed in the catalog.
- 2. The minimum operating pressure is the pressure at which the valve begins to open, not the pressure at which it fully opens.
- 3. The check valve is structured so that the differential pressure generated when switching between the solenoid valve for the primary pressure (IN) and secondary pressure (OUT) causes it to close. Note that if the primary pressure (IN) drops gently and the differential pressure becomes less than the minimum operating pressure or cracking pressure, the secondary pressure (OUT) may also drop with the check valve not fully closing.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Effective Sectional Area【classification】 (㎜2) | Sonic Conductance [dm3/(s/bar)] | Connection Dia. |
|---|---|---|---|---|---|---|---|
MYR 140.82 | 1 Piece(s) | 21 Day(s) | ~30 | 5 | Rc 1/8 | ||
MYR 140.82 | 1 Piece(s) | 31 Day(s) | ~30 | 5.5 | Rc 1/4 | ||
MYR 140.82 | 1 Piece(s) | 21 Day(s) | ~30 | 5 | G 1/8 | ||
MYR 140.82 | 1 Piece(s) | 21 Day(s) | ~30 | 5.5 | G 1/4 | ||
MYR 140.82 | 1 Piece(s) | 21 Day(s) | ~30 | 5 | NPT 1/8 | ||
MYR 140.82 | 1 Piece(s) | 32 Day(s) | ~30 | 5.5 | NPT 1/4 | ||
MYR 170.38 | 1 Piece(s) | 21 Day(s) | ~30 | 9.4 | Rc 1/4 | ||
MYR 170.38 | 1 Piece(s) | 32 Day(s) | ~100 | 17 | Rc 3/8 | ||
MYR 170.38 | 1 Piece(s) | 32 Day(s) | ~100 | 19 | Rc 1/2 | ||
MYR 170.38 | 1 Piece(s) | 21 Day(s) | ~30 | 9.4 | G 1/4 | ||
MYR 170.38 | 1 Piece(s) | 21 Day(s) | ~100 | 17 | G 3/8 | ||
MYR 170.38 | 1 Piece(s) | 21 Day(s) | ~100 | 19 | G 1/2 | ||
MYR 170.38 | 1 Piece(s) | 21 Day(s) | ~30 | 9.4 | NPT 1/4 | ||
MYR 170.38 | 1 Piece(s) | 21 Day(s) | ~100 | 17 | NPT 3/8 | ||
MYR 170.38 | 1 Piece(s) | 31 Day(s) | ~100 | 19 | NPT 1/2 | ||
MYR 352.27 | 1 Piece(s) | 21 Day(s) | ~200 | 40 | Rc 3/4 | ||
MYR 352.27 | 1 Piece(s) | 31 Day(s) | ~300 | 46 | Rc 1 | ||
MYR 352.27 | 1 Piece(s) | 21 Day(s) | ~200 | 40 | G 3/4 | ||
MYR 352.27 | 1 Piece(s) | 21 Day(s) | ~200 | 40 | NPT 3/4 | ||
MYR 352.27 | 1 Piece(s) | 21 Day(s) | ~300 | 46 | NPT 1 |
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Basic Information
| Type | Standard | Main Body Shape | Straight | Material | Die-Cast Aluminum |
|---|---|---|---|---|---|
| Seal Material | Nitrile Rubber | Input Side, Port Type P | Female Thread | Output Side, Port Type A | Female Thread |
Specification/Dimensions
-
Effective Sectional Area【classification】(㎜2)
-
Sonic Conductance [dm3/(s/bar)]
-
Connection Dia.
-
type
- AK□000-□
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 21 Day(s) or Less
- 31 Day(s) or Less
- 32 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Small Type, Non-Return Valve, CHL-M54 Series with One Touch Fitting
- Check Valve CVR / CVS / CVU / CVUD Series
- Non-Return Valve, Check Valve, Bushing, Resin Type
- Check Valve (Check Valve), CAM Series, Cracking Pressure Regulated
- Check Valve HVC Series for High Flow Rate
- Pilot check valvePCV series
- Check valve with strainer
- Bushing Type Check Valve With One-Touch Fitting AKH/AKB Series
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