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Caution
thận trọng
An air operated valve made by SMC.
[Features]
· Internal pilot specification manifolds that are the same as for VP300/500/700 series are available.
· Easy to switch between N.C. and N.O.
VPA300 Series external appearance
VPA500 Series external appearance
VPA700 Series external appearance
Fluid | Air | |
---|---|---|
Switching Method | N.C. or N.O. (changeable) | |
Operating Pressure Range (MPa) | Standard | 0.2 to 1.0 |
For vacuums | -100 kPa to 0.2 | |
Pilot Pressure (MPa) | 0.2 to 1.0 (equal to or exceeding the operating pressure) | |
Ambient and Working Fluid Temperature °C | -10 to +50 (no freezing.) | |
Lubrication | Not required | |
Mounting Orientation | Free | |
Impact/Vibration Resistance (m/s2*) | 300/50 |
*Impact resistance: No malfunctions after testing under the following conditions: in the axial direction and at a right angle to the main valve with both pilot signal ON and OFF, once for each condition state. (Initial value)
Vibration resistance: No malfunctions occurred in a 1-sweep test between 45 and 2,000 Hz. The test was performed with both pilot signal ON and OFF and in the axial direction and at right angles to the main valve. (Initial value)
Model | Piping Connection Port Diameter | 1 ←→ 2 (P ←→ A) | 2 ←→ 3 (A ←→ R) | Weight (g)* | ||||
---|---|---|---|---|---|---|---|---|
C [dm3/(s·bar)] | b | Cv | C [dm3/(s·bar)] | b | Cv | |||
VPA344 | 1/8 | 3.6 | 0.22 | 0.8 | 3.5 | 0.24 | 0.8 | 185 (118) |
1/4 | 3.9 | 0.22 | 0.9 | 3.8 | 0.14 | 0.9 | 180 (118) | |
VPA544 | 1/4 | 7.5 | 0.16 | 1.7 | 7.3 | 0.20 | 1.7 | 358 (233) |
3/8 | 8.8 | 0.07 | 2.0 | 8.8 | 0.13 | 2.0 | 350 (233) | |
VPA744 | 3/8 | 12.9 | 0.10 | 2.9 | 13.3 | 0.24 | 3.1 | 693 (476) |
1/2 | 14.7 | 0.05 | 3.3 | 15.0 | 0.17 | 3.4 | 675 (476) |
*Values in ( ) are for without sub-plate.
Standard type diagram
For vacuums - diagram
Component Parts
Number | Part Name | Material | Notes |
---|---|---|---|
1 | Body | Diecast aluminum | Urban white |
2 | Adapter Plate | Diecast aluminum | Urban gray |
3 | End Plate | Resin | Urban white |
4 | Piston | Resin | - |
5 | Poppet Valve | Aluminum, HNBR | - |
6 | Retainer | Resin | - |
7 | Spring | SUS | - |
Replacement Parts
Number | Part Name | Part number | Notes | ||
---|---|---|---|---|---|
VP344 | VP544 | VP744 | |||
8 | Gasket | VP300-217-1 | VP500-217-1 | VP700-217-1 | HNBR |
9 | Sub-Plate | VP300-202-□ | VP500-202-□ | VP700-202-□ | Diecast aluminum |
- | Hexagon socket head cap screw (1 pc.) | VP300-224-1 (M3 × 36) | VP500-224-1 (M4 × 46) | VP700-224-1 (M5 × 66) | For valve mounting |
*Mounting screw tightening torque: M3 (0.8 N·m) / M4 (1.4 N·m) / M5 (2.9 N·m)
(Units: mm)
Standard type: VPA344-1-01/02□A/B dimensional drawing
(Units: mm)
For vacuums: VPA344V-1-01/02□A/B dimensional drawing
(Units: mm)
Standard type: VPA544-1-02/03□A/B dimensional drawing
(Units: mm)
For vacuums: VPA544V-1-02/03□A/B dimensional drawing
(Units: mm)
Standard type: VPA744-1-03/04□A/B dimensional drawing
*See the SMC catalog for information other than that detailed above.
Part Number |
---|
VPA744-1-04TA |
Part Number | Price | Minimum Order Qty. | Volume Discount | Days to ShipSố ngày giao hàng | RoHS | Applicable Fluid | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Detailed type | Valve type |
---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | - | Air | Normally Closed | NPTF | 1/2 | Pilot Type | - | Base mounted |
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Type | Air Operating Type | Operating Environment | Standard / No oil | Pilot number | Single |
---|---|---|---|---|---|
Number of ports | 3 |
Please check the type/dimensions/specifications of the part VPA744-1-04TA in the 3 Port Air Operated Valve, Base Mounted Single Unit VPA300/500/700 Series series.Vui lòng kiểm tra kiểu/kích thước/thông số kỹ thuật của phần VPA744-1-04TA trong chuỗi 3 Port Air Operated Valve, Base Mounted Single Unit VPA300/500/700 Series.
Part Number |
---|
VPA344-1-01FB |
VPA344-1-01NA |
VPA344-1-01NB |
VPA744-1-A |
VPA744-1-B |
VPA744V-1-03A |
Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to ShipSố ngày giao hàng | RoHS | Applicable Fluid | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Detailed type | Valve type |
---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | - | Air | Normally Open | G | 1/8 | Pilot Type | - | Base mounted | ||
- | 1 Piece(s) | Quote | - | Air | Normally Closed | NPT | 1/8 | Pilot Type | - | Base mounted | ||
- | 1 Piece(s) | Quote | - | Air | Normally Open | NPT | 1/8 | Pilot Type | - | Base mounted | ||
2,422,400 VND | 1 Piece(s) | 32 Day(s) | - | Air | Normally Closed | - | - | Pilot Type | - | Base mounted type / without sub-plate | ||
2,422,400 VND | 1 Piece(s) | 32 Day(s) | - | Air | Normally Open | - | - | Pilot Type | - | Base mounted type / without sub-plate | ||
- | 1 Piece(s) | Quote | - | Vacuum | Normally Closed | [Rc (R)] Rc | 3/8 | Pilot Type | - | Base mounted |
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