Pilot-Operated Regulator AR425 to 935 Series – Bộ Chỉnh Áp Khí Nén SMC
Product Description
Pilot-Operated Regulator AR425 to 935 Series – Bộ Chỉnh Áp Khí Nén SMC
[Features]·This is a relief type regulator using an internal pilot method.
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Pilot-Operated Regulator AR425 To 935 Series: Detailed Examples – Bộ Chỉnh Áp Khí Nén SMC
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.
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 |
AR425-02-R
AR425-02B
AR425-02B-R
AR425-02BG
AR425-02BG-R
AR425-02G
AR425-02G-R
AR425-03
AR425-03-R
AR425-03B
AR425-03B-R
AR425-03BG
AR425-03BG-R
AR425-03G
AR425-03G-R
AR425-04
AR425-04-R
AR425-04B
AR425-04B-R
AR435-02
AR435-02-R
AR435-02B
AR435-02B-R
AR435-02BG
AR435-02BG-R
AR435-02G
AR435-02G-R
AR435-03
AR435-03B
AR435-03B-R
AR435-03BG
AR435-03BG-R
AR435-03G
AR435-03G-R
AR625-06-R
AR625-06B
AR625-06B-R
AR625-06BG
AR625-06BG-R
AR625-06G
AR625-06G-R
AR625-10
AR625-10-R
AR625-10B
AR625-10B-R
AR625-10BG
AR625-10BG-R
AR625-10G
AR625-10G-R
AR625-F06
AR635-06
AR635-06-R
AR635-06B
AR635-06BG
AR635-06BG-R
AR635-06G
AR635-06G-R
AR635-10
AR635-10-R
AR635-10B
AR635-10BG
AR635-10BG-R
AR635-10G
AR635-10G-R
AR635-F06
AR825-12-R
AR825-12G
AR825-12G-R
AR825-14
AR825-14-R
AR825-14G
AR825-14G-R
AR825-F12
AR825-F12G
AR825-F12G-R
AR825-F14
AR825-F14-R
AR825-F14G
AR825-F14G-R
AR825-N12
AR835-12
AR835-12-R
AR835-12G
AR835-12G-R
AR835-14
AR835-14-R
AR835-14G
AR835-14G-R
AR835-F12
AR835-F12-R
AR835-F12G
AR835-F12G-R
AR835-F14
AR835-F14-R
AR835-F14G
AR835-F14G-R
AR835-N12
AR835-N12G
AR925-20-R
AR925-20G
AR925-20G-R
AR925-F20
AR925-F20-R
AR925-F20G
AR925-F20G-R
AR925-N20
AR925-N20-R
AR925-N20G
AR925-N20G-R
AR935-20
AR935-20-R
AR935-20G
AR935-20G-R
AR935-F20
AR935-F20G
AR935-F20G-R
AR935-N20
AR935-N20G
AR935-N20G-R
AR425-N03B-R
AR425-N03BG
AR425-N03BG-R
AR425-N03G
AR425-N03G-R
AR425-N04
AR425-N04-R
AR425-N04B
AR425-N04B-R
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