Relay Valve VR4151/4152 Series
Caution
- Refer to the catalog for details on product specifications.
- The products shown in the image are representative.
Product Description
SMC relay valve.
[Features]
· Carries out fixed operational sequences based on the pneumatic signal received from the mechanical valve.
· Equivalent operation to an auxiliary relay in an electrical system.
[Specifications]
· Usable fluids: air
· Operating pressure: 0 to 1.0 MPa
· Pilot pressure: 0.15 to 1.0 MPa
· Ambient and operating air temperature: -5 to 60°C (no freezing)
· Lubrication: Not required (Use turbine oil Class 1 ISO VG32, if lubricated)
Transmitters: Relay Valve VR4151/4152 Series Detailed Example
Transmitters: Relay Valve VR4151/4152 Series product image (1)
Transmitters: Relay Valve VR4151/4152 Series product image (2)
VR4151 JIS symbol
VR4152 JIS symbol
Transmitters: Relay Valve VR4151/4152 Series Specifications
Specifications
| Applicable fluids | Air | |||||||
|---|---|---|---|---|---|---|---|---|
| Operating pressure | 0 to 1.0 MPa | |||||||
| Pilot pressure | 0.15 to 1.0 MPa | |||||||
| Ambient and operating air temperature | -5 to 60°C (no freezing) | |||||||
| Flow rate characteristics | - | C[dm3/(s·bar)] | b | Cv | ||||
| Side ported | 1(P) ⇔ 2(B)/4(A) | 1.6 | 0.15 | 0.38 | ||||
| 2(B)/4(A) ⇔ 3(S)/5(R) | 1.5 | 0.2 | 0.36 | |||||
| Bottom ported | 1(P) ⇔ 2(B)/4(A) | 1.6 | 0.2 | 0.38 | ||||
| 2(B)/4(A) ⇔ 3(S)/5(R) | 1.5 | 0.25 | 0.36 | |||||
| Connection port | 1/8 | |||||||
| Weight | Side ported | 350 g | ||||||
| Bottom ported | 300 g | |||||||
| Lubrication | Not required (use turbine oil class 1 ISO VG32, if lubricated) | |||||||
Model
| Model | Function | Model | Indicator |
|---|---|---|---|
| VR4151-00-0 | Single pilot | Without sub-plate | - |
| VR4151-00-1 | ✓ | ||
| VR4151-01A-0 | With sub-plate Side ported | - | |
| VR4151-01A-1 | ✓ | ||
| VR4151-01B-0 | With sub-plate Bottom ported | - | |
| VR4151-01B-1 | ✓ | ||
| VR4152-00-0 | Double pilot | Without sub-plate | - |
| VR4152-00-1 | ✓ | ||
| VR4152-01A-0 | With sub-plate Side ported | - | |
| VR4152-01A-1 | ✓ | ||
| VR4152-01B-0 | With sub-plate Bottom ported | - | |
| VR4152-01B-1 | ✓ |
Structural drawing
VR4151 structure drawing
VR4152 structure drawing
Component parts
| Number | Description | Material |
|---|---|---|
| 1 | Valve | ADC |
| 2 | Sub-plate | ZDC |
| 3 | Pilot cover | ADC |
| 4 | Spool | Stainless steel |
| 5 | Sleeve | Stainless steel |
| 6 | Detent assembly | - |
| 7 | Piston cover | Brass |
| 8 | Manual button | POM |
| 9 | Piston | POM |
| 10 | Spring | Steel wire |
| 11 | Spring | Stainless steel |
| 12 | Gasket | NBR |
| 13 | Gasket | NBR |
| 14 | O-ring | NBR |
How to Order
Model number example
Transmitters: Relay Valve VR4151/4152 Series Dimensions
Side ported
(Unit: mm)
Side ported, dimensional drawing
Bottom ported
(Unit: mm)
Bottom ported, dimensional drawing
Precautions
- *Operate the valve in an area in which the vibration does not exceed 5 G. Vibrations could cause the valve to malfunction.