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Air-Operated 2-Port Valve, Single Unit, Compact Cylinder Valve NAB/NAB□V Series.
[Features]
・ NC (normally closed) type, NO (normally open) type, double acting type
·Connection port size: Rc1/4, Rc3/8
·Operating fluid: Air, water, gas, and low vacuum
Part Number
Configured Part Number is shown.
NAB2-10-D2B-CL4





* The mounting plate is not sold separately.
●NAB※ (※1)

NC (normally closed) type

NO (normally open) type

Double-acting operation type
*1: When the constantly pressurized side is connected to the port B, the durability will be inferior to that when it is connected to the port A.
●NAB※V

NC (normally closed) type

NO (normally open) type

Double-acting operation type
| Items | NAB※ | NAB※V | ||||
|---|---|---|---|---|---|---|
| NAB1 | NAB2 | NAB3 | NAB1V | NAB2V | NAB3V | |
| Operating method | NC (normally closed) type | NO (normally open) type | Double-acting operation type | NC (normally closed) type | NO (normally open) type | Double-acting operation type |
| Operating fluid | Air, water, and gas | Low vacuum (air, water) | ||||
| Fluid viscosity (mm^2/s) | 500 or less | |||||
| Operating pressure | 0 to 0.7 MPa | 1.3 × 10^2 to 7 × 10^5 Pa (abs) | ||||
| Pressure resistance (with water pressure) (MPa) | 1.4 | |||||
| Fluid temperature (°C) | -10 to +60 (No freezing) (*2) | |||||
| Ambient temperature (°C) | -10 to +60 | |||||
| Valve Seat Leakage | 0.12 cm^3 / min or less (with pneumatic pressure) | 1.33 × 10^-3 Pa·m^3 / sHe or less | ||||
| Connection port size | Rc1/4, Rc3/8 | |||||
| Orifice Diameter (mm) | 7 | |||||
| Cv Factor | 1.2 | |||||
| C [dm^3 / (s·bar)] | 5.2 (※3) | |||||
| b | 0.3 | |||||
| Weight (kg) | 0.28 (Note that it varies depending on the type.) | |||||
| Mounting orientation | Swivel | |||||
| Pilot fluid | Air | |||||
| Pilot pressure (MPa) | 0.25 to 0.7 | (※4) | 0.25 to 0.7 | (※4) | ||
| Pilot connection size | Rc1/8 (Note that it varies depending on the type.) | |||||
*2: The same applies to the seal material of nitrile rubber and fluoroelastomer.
*3: The conversion formula between the effective cross-sectional area S and the sonic conductance C is S ≈ 5.0 × C.
*4: Please refer to the following for the pilot pressure of NO type and double-acting type.
■Pilot pressure
Please use the pilot pressure within the specified range. In particular, set the pilot pressures for the NAB series of the NO type and double-acting operation type as shown in the graph below.
If it is used below the set range of the graph, a seal failure will occur, and if it is used above the set range, the durability will decrease.
If the pilot pressure cannot be controlled, it is recommended to select the model number of the NC type.

NAB2/2 V series

NAB3/3 V series
| Pilot Port Connection Port Diameter | A |
|---|---|
| C4 | 7 |
| C6 | 8.5 |
| C18 | 3.5 |
| Pilot Port Connection Port Diameter | B | C | D | E | F |
|---|---|---|---|---|---|
| CL4 | 6.5 | 11.5 | 14 | 17 | 22 |
| CL6 | 7.5 | 12.5 | 16 | 18 | 23 |
| CL18 | 4 | 7 | 8.5 | 11 | 14 |
| Part Number |
|---|
| NAB2-10-D2B-CL4 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Fluid | Plumbing Thread Nominal | Switching Type | Material of Body | Seal Material | Mounting Plate | Pilot Connection Port Diameter |
|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 417.50 | 1 Piece(s) | 13 Day(s) or more | Air / Water / Gas | 3/8 | [Normally Open] 3-Port Normally Open | Stainless steel | Nitrile rubber | Available | ø4 quick-connect fitting, L type |
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| Type | Air Operated Type | Operating Environment | Standard | Connection Type | Rc |
|---|
Please check the type/dimensions/specifications of the part NAB2-10-D2B-CL4 in the 2-Port Air Operated Valve, Single Unit, Compact Cylinder Valve NAB/NAB□V Series series.
| Part Number |
|---|
| NAB1-10-02-CL18 |
| NAB1-10-02-CL4 |
| NAB1-10-02-CL6 |
| NAB2-10-D2B-CL6 |
| NAB2-10-DB |
| NAB2-10-E |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Fluid | Plumbing Thread Nominal | Switching Type | Material of Body | Seal Material | Mounting Plate | Pilot Connection Port Diameter |
|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 238.55 | 1 Piece(s) | 13 Day(s) or more | Air / Water / Gas | 3/8 | [Normally Closed] 2-Port Normally Closed | Brass | Nitrile rubber | NA | For air fibers, ø1.8 quick-connect fitting, L type | ||
MYR 225.73 | 1 Piece(s) | 13 Day(s) or more | Air / Water / Gas | 3/8 | [Normally Closed] 2-Port Normally Closed | Brass | Nitrile rubber | NA | ø4 quick-connect fitting, L type | ||
MYR 225.73 | 1 Piece(s) | 13 Day(s) or more | Air / Water / Gas | 3/8 | [Normally Closed] 2-Port Normally Closed | Brass | Nitrile rubber | NA | ø6 quick-connect fitting, L type | ||
MYR 417.50 | 1 Piece(s) | 13 Day(s) or more | Air / Water / Gas | 3/8 | [Normally Open] 3-Port Normally Open | Stainless steel | Nitrile rubber | Available | ø6 quick-connect fitting, L type | ||
MYR 424.77 | 1 Piece(s) | 17 Day(s) or more | Air / Water / Gas | 3/8 | [Normally Open] 3-Port Normally Open | Stainless steel | Nitrile rubber | Available | Rc1/8 | ||
MYR 452.31 | 1 Piece(s) | 17 Day(s) or more | Air / Water / Gas | 3/8 | [Normally Open] 3-Port Normally Open | Stainless steel | Fluoroelastomer | NA | Rc1/8 |
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