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Pilot-Operated Regulator AR425 to 935 Series (Part Numbers)
[Features]·This is a relief type regulator using an internal pilot method.
(i)Caution
- Refer to the catalog for details on product specifications.
- Product images may be representative. Refer to the manufacturer's catalog for details.
Part Number
Configured Part Number is shown.
Pilot-Operated Regulator AR425 To 935 Series: Detailed Examples
AR8□5: product images
AR6□5: product images
AR6□5-□□BG: product images
AR4□5-□□BG: product images
Pilot-Operated Regulator AR425 To 935 Series: JIS symbol
Pilot-Operated Regulator AR425 To 935 Series Specifications
Standard specification
| Model | AR425 | AR435 | AR625 | AR635 | AR825 | AR835 | AR925 | AR935 |
|---|---|---|---|---|---|---|---|---|
| Connection port size | 1/4, 3/8, 1/2 | 3/4, 1 | 1 1/4, 1 1/2 | 2 | ||||
| Applicable fluids | Air | |||||||
| Proof pressure | 1.5 MPa | |||||||
| Maximum operating pressure | 1.0 MPa | |||||||
| Note 1) Set pressure range (MPa) | 0.05 to 0.83 | 0.02 to 0.2 | 0.05 to 0.83 | 0.02 to 0.2 | 0.05 to 0.83 | 0.02 to 0.2 | 0.05 to 0.83 | 0.02 to 0.2 |
| Note 2) Air consumption amount (bleed port part) | 5 L/min (ANR) (at maximum set pressure) | |||||||
| Pressure gauge connection port size | 1/4 | |||||||
| Ambient temperature and working fluid temperature | -5 to 60°C (no freezing) | |||||||
| Structure | Internal pilot relief type (pilot air is always bleeding) | |||||||
| Weight (kg) | 0.7 | 1.1 | 2.5 | 4.5 | ||||
Note 1) Outlet pressure adjustment range: P2 is 90% of P1 or less
Note 2: Air consumption varies depending on the set pressure. Structurally, even if the handle is at the maximum setting, the pressure gap between the inlet and outlet cannot be set within 0.03 MPa.
Options / Part No.
| Name | Part number | |||
|---|---|---|---|---|
| Model | ||||
| For AR4□5 | For AR6□5 | For AR8□5 | For AR9□5 | |
| Bracket | B24P | B25P | - | - |
| Pressure gauge with limit indicator Note 1) | G46-10-□02 (Max. measurement: 1.0 MPa), G46-2-□02 (Max. measurement: 0.2 MPa) | |||
Note 1) The □ in the part number for the pressure gauge (e.g. G46-10-□02) indicates the connection thread type. Insert no symbol for Rc, and use "N" for NPT.
Note 3) Do not tighten excessively when mounting a pressure gauge. Doing so may result in breakage. Use sealing tape for sealing.
Model Number Notation
Model number example
Structural Drawings
Pilot-Operated Regulator AR425 to 935 Series: structural drawings
When handle (10) is turned clockwise to compress the pressure adjustment spring (8), the pressure from the IN side passes through diaphragm (11), opens the pilot valve (12) and enters upper pilot chamber (13). This pressure and the force generated by the pressure adjustment spring (8) act as resistance, resulting in an equilibrium. Then, this pressure passes through the diaphragm (6) of the main valve side and stem (14), and pushes the valve (main valve) (7) open, thus guiding the pressure to the OUT side. At the same time, the pressure passes through the feedback hole (15), and enters the diaphragm chamber (16), thus establishing the OUT side pressure (outlet pressure).
Component Parts
| Number | Part name | Materials | Additional notes |
|---|---|---|---|
| 1 | Body | *Die-cast aluminum | Platinum silver coated |
| 2 | Bonnet | Die-cast aluminum | Platinum silver coated |
| 3 | Chamber | Die-cast aluminum | Platinum silver coated |
| 4 | Valve guide | *Zinc die-cast | Platinum silver coated |
- *For AR825/AR835/AR925/AR935, the material is aluminum alloy.
Replacement Parts
| Number | Part name | Materials | Quantity | Part number | |||
|---|---|---|---|---|---|---|---|
| AR425/435 | AR625/635 | AR825/835 | AR925/935 | ||||
| 5, 11 | Exhaust valve assembly (Note 1) | - | 1 | 132586A | 132586A | 132586A | 132586A |
| 6 | Main valve side diaphragm assembly | - | 1 | 132581A | 132659A | 13275A | 13285A |
| 7 | Valve assembly | - | 1 | 132572A | 132653A | 132752A | 132829A |
| 8 | Pressure regulator spring | Steel wire | 1 | 135053 (AR425) 135025 (AR435) | 135053 (AR625) 135025 (AR635) | 135053 (AR825) 135025 (AR835) | 135053 (AR925) 135025 (AR935) |
| 9 | Valve spring | Stainless steel | 1 | 135211 | 132656 | 132713 | 13289 |
| 10 | Handle | ABS | 1 | 13414 | |||
Note 1) Including diaphragm
Pilot-Operated Regulator AR425 to 935 Series Dimensional Drawings
AR425/AR435/AR625/AR635
(Unit: mm)
AR425/AR435/AR625/AR635: dimensional drawings
AR825/AR835/AR925/AR935
(Unit: mm)
AR825/AR835/AR925/AR935 dimensional drawings
| Model | Connection port size | Pressure gauge connection port size | A | B | C | D | E | F | Bracket mounting dimensions | Bracket Part no. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| G | H | J | ||||||||||
| AR425/435 | 1/4, 3/8, 1/2 | 1/4 | 80 | 145.5 | 39.5 | 67 | 73 | 3 | 50.0 | 48 | 80 | B24P |
| AR625/635 | 3/4, 1 | 1/4 | 98 | 155 | 43 | 78 | 78.5 | 7 | 85 | 52 | 90 | B25P |
| AR825/835 | 1 1/4, 1 1/2 | 1/4 | 126 | 216 | 75 | 110 | 94.5 | 5 | - | - | - | - |
| AR925/935 | 2 | 1/4 | 160 | 241 | 90 | 140 | 109.5 | 10 | - | - | - | - |
- *With pressure gauge: Pressure gauges shipped with regulator.
Usage precautions
- *Release the lock to adjust the pressure. After the adjustment, engage the lock. Failure to observe this procedure could damage the handle or cause the outlet pressure to fluctuate.
Loosen the handle locking screw to release the lock, and tighten it to lock it. - *Please consult the manufacturer separately if the product is to be used between solenoid valves and actuators.
| Part Number |
|---|
| Part Number | Minimum order quantity | Volume Discount | Days to Ship | Supply Side, Connection Type | Supply Side, Connection Dia. | Flow Direction | Control Side, Connection Type | Control Side, Connection Dia. | Pressure Gauge | Size of Body | Accessory | Set Pressure |
|---|
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Basic Information
| Regulator, Pressure Boosting Valve | Regulator | Regulator Type | Standard | Applicable Fluid | Air |
|---|---|---|---|---|---|
| Shape | Standard | Operating Environment | Standard | Exhaust Mechanism | Relief |
| Adverse Current Function | No |
Specification/Dimensions
-
Supply Side, Connection Type
- Rc
- G
- NPT
-
Supply Side, Connection Dia.
-
Flow Direction
- (Right)
- (Left)
- (Right)
-
Control Side, Connection Dia.
-
Pressure Gauge
- Not Provided
- With Pressure Gauge
- Not Provided
-
Size of Body
-
Accessory
- Bracket
- Bracket + pressure gauge
- None
- Pressure gauge
-
Set Pressure
- 0.02 to 0.2 MPa
- 0.05 to 0.83 MPa
-
type
- AR425
- AR435
- AR625
- AR635
- AR825
- AR835
- AR925
- AR935
-
Control Side, Connection Type
- Rc
- G
- NPT
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 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 .
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