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Direct Air Operated 3 Port Valve VXA31/32 Series
An air operated valve made by SMC.
[Features]
· Can control a wide variety of fluids. Abundant variety of combinations.
· An easy-to-use combination type that can be used as a normally open type or a normally closed type. (C.O.)
· Easy to disassemble and reassemble in a short time.
· Can control fluids with high viscosity (500 mm2/s).
(i)Caution
- Product images may be representative images. Refer to the catalog for details.
Japanese Only
Direct Air Operated 3 Port Valve VXA31/VXA32 Series Specifications
Direct Air Operated 3 Port Valve VXA31/VXA32 Series external appearance
Common (C.O.) display symbol
| Piping Connection Port Diameter | Orifice Diameter mm | Model | Maximum Operating Pressure Differential MPa | Flow Rate Characteristics | Maximum System Pressure MPa | Proof Pressure MPa | Weight g | |
|---|---|---|---|---|---|---|---|---|
| Water/Oil | ||||||||
| Av × 10-6 m2 | Conversion Cv | |||||||
| 1/8 (6A) | 1.5 | VXA3114 | 1.0 | 1.9 | 0.08 | 1.0 | 1.5 | 280 |
| 2.2 | VXA3124 | 0.5 | 3.8 | 0.16 | ||||
| 3 | VXA3134 | 0.3 | 8.0 | 0.24 | ||||
| 1/4 (8A) | 1.5 | VXA3114 | 1.0 | 1.9 | 0.08 | |||
| 2.2 | VXA3124 | 0.5 | 3.8 | 0.16 | ||||
| VXA3224 | 1.0 | 4.6 | 0.19 | 410 | ||||
| 3 | VXA3134 | 0.3 | 8.0 | 0.24 | 280 | |||
| VXA3234 | 0.6 | 9.0 | 0.33 | 410 | ||||
| 4 | VXA3244 | 0.3 | 12 | 0.50 | ||||
| 3/8 (10A) | 2.2 | VXA3224 | 1.0 | 4.6 | 0.19 | |||
| 3 | VXA3234 | 0.6 | 9.0 | 0.33 | ||||
| 4 | VXA3244 | 0.3 | 12 | 0.50 | ||||
Fluid Temperature and Ambient Temperature
| Temperature Conditions | Fluid Temperature °C | Ambient Temperature °C | ||
|---|---|---|---|---|
| Water (Standard) | Oil (Standard) | *2Vacuum (V, M) | ||
| Maximum | 40 | 40 | 40 | 40 |
| Minimum | 1 | *1-5 | -5 | -5 |
- *1: 1,500 mm2/s or less.
- *2: The V, M, etc. within the ( ) are option symbols.
Fluid
Standard Specification
- Water (general, up to 40°C)
- Turbine oil
Options*
- Medium vacuum (0.1 Pa·abs): V, M
- Non-leak (10-6 Pa·m3/sec or less): V, M
*See the "Applicable Fluids Checklist" in the SMC catalog for non-standard special fluids and optional specifications.
Valve Airtightness (Leakage Rate)
Seal material: NBR, FKM, EPDM
- Fluid: 0.1 cm3/min or less
- *Non-leak, vacuum: 10-6 Pa·m3/sec or less
*The value is for options V and M (non-leak and vacuum).
Product Dimensions
(Units: mm)
Direct Air Operated 3 Port Valve VXA31/VXA32 Series dimensional drawing
(Units: mm)
| Model | Symbol | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Piping Connection Port Diameter P | A | B | C | D | E | F | G | H | J | With Bracket | |||
| K | L | M | |||||||||||
| VXA31 | 1/8, 1/4 | 19 | 20 | 18 | 20 | 22.5 | 42.5 | 71 | 81 | 21 | 6 | 29 | 14.5 |
| VXA32 | 1/4, 3/8 | 25 | 20 | 21 | 20 | 27.5 | 47.5 | 80 | 90 | 27 | 7.5 | 32 | 17 |
Product Diagram
Direct Air Operated 3 Port Valve VXA31/VXA32 Series diagram
| Number | Part Name | Material | |
|---|---|---|---|
| Standard | Option | ||
| 1 | Body Assembly | Brass | SUS |
| 2 | Retainer Assembly | Brass | SUS |
| 3 | Valve Assembly | NBR/PPS | FKM/EPDM PPS |
| 4 | Adapter | Brass | SUS |
| 5 | Travel Assembly | SUS, NBR, polyacetal | FKM/EPDM SUS |
| 6 | Pilot Cover | Aluminum | - |
| 7 | Piston Spring | SUS | - |
| 8 | Piston Assembly | Polyacetal, NBR | - |
| 9 | O-Ring | NBR | FKM/EPDM |
*See the SMC catalog for product information other than the above.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Fluid | Connection Type | Plumbing Thread Nominal | Driving Type | Orifice Dia. (Ø) | Number of Solenoids | Operating Pressure Differential Range (MPa) | Application | Sealing materials | Body material | Bracket |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 87.15 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/8 | Linear Motion Type | 1.5 | Single Solenoid | null～1.0 | Single Item | NBR | Brass | None | ||
SGD 89.83 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 1.5 | Single Solenoid | null～1.0 | Single Item | NBR | Brass | Yes | ||
SGD 198.57 | 1 Piece(s) | 32 Day(s) | Water / Oil | [Rc (R)] Rc | 1/8 | Linear Motion Type | 1.5 | Single Solenoid | null～1.0 | Single Item | FKM | SUS | Yes | ||
- | 1 Piece(s) | Quote | Air / Water / Oil / Gas | [Rc (R)] Rc | 1/4 | - | - | - | null～1.0 | Single Item | EPDM | SUS | Yes | ||
SGD 220.03 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 1.5 | Single Solenoid | null～1.0 | Single Item | FKM | SUS | Yes | ||
SGD 87.15 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/8 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | NBR | Brass | None | ||
SGD 89.83 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/8 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | NBR | Brass | Yes | ||
SGD 87.15 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | NBR | Brass | None | ||
SGD 111.30 | 1 Piece(s) | 32 Day(s) | Water / Oil | [Rc (R)] Rc | 1/8 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | Brass | None | ||
SGD 113.98 | 1 Piece(s) | 32 Day(s) | Water / Oil | [Rc (R)] Rc | 1/8 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | Brass | Yes | ||
SGD 111.30 | 1 Piece(s) | 32 Day(s) | Water / Oil | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | Brass | None | ||
SGD 113.98 | 1 Piece(s) | 32 Day(s) | Water / Oil | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | Brass | Yes | ||
SGD 198.57 | 1 Piece(s) | 32 Day(s) | Water / Oil | [Rc (R)] Rc | 1/8 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | SUS | Yes | ||
SGD 198.57 | 1 Piece(s) | 32 Day(s) | Water / Oil | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | SUS | Yes | ||
SGD 187.83 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/8 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | EPDM | SUS | Yes | ||
SGD 220.03 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/8 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | SUS | Yes | ||
SGD 220.03 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | SUS | Yes | ||
SGD 209.30 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | SUS | Yes | ||
- | 1 Piece(s) | Quote | Oil | [Rc (R)] Rc | 1/4 | - | 2.2 | - | null～0.5 | Single Item | EPDM | SUS | Yes | ||
SGD 151.55 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/8 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | Brass | None | ||
SGD 151.55 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | Brass | None | ||
SGD 154.23 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～0.5 | Single Item | FKM | Brass | Yes | ||
SGD 87.15 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/8 | Linear Motion Type | 3 | Single Solenoid | null～0.3 | Single Item | NBR | Brass | None | ||
SGD 89.83 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/8 | Linear Motion Type | 3 | Single Solenoid | null～0.3 | Single Item | NBR | Brass | Yes | ||
SGD 87.15 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 3 | Single Solenoid | null～0.3 | Single Item | NBR | Brass | None | ||
SGD 89.83 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 3 | Single Solenoid | null～0.3 | Single Item | NBR | Brass | Yes | ||
SGD 151.55 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/8 | Linear Motion Type | 3 | Single Solenoid | null～0.3 | Single Item | FKM | Brass | None | ||
SGD 151.55 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 3 | Single Solenoid | null～0.3 | Single Item | FKM | Brass | None | ||
SGD 154.23 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 3 | Single Solenoid | null～0.3 | Single Item | FKM | Brass | Yes | ||
SGD 122.03 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～1.0 | Single Item | NBR | Brass | None | ||
SGD 124.72 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～1.0 | Single Item | NBR | Brass | Yes | ||
SGD 122.03 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 3/8 | Linear Motion Type | 2.2 | Single Solenoid | null～1.0 | Single Item | NBR | Brass | None | ||
SGD 135.45 | 1 Piece(s) | 32 Day(s) | Oil | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～1.0 | Single Item | EPDM | Brass | None | ||
SGD 273.70 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～1.0 | Single Item | FKM | SUS | Yes | ||
SGD 203.93 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 2.2 | Single Solenoid | null～1.0 | Single Item | FKM | Brass | Yes | ||
SGD 203.93 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 3/8 | Linear Motion Type | 2.2 | Single Solenoid | null～1.0 | Single Item | FKM | Brass | Yes | ||
SGD 124.72 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 3 | Single Solenoid | null～0.6 | Single Item | NBR | Brass | Yes | ||
SGD 122.03 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 3/8 | Linear Motion Type | 3 | Single Solenoid | null～0.6 | Single Item | NBR | Brass | None | ||
SGD 124.72 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 3/8 | Linear Motion Type | 3 | Single Solenoid | null～0.6 | Single Item | NBR | Brass | Yes | ||
SGD 266.93 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 3/8 | Linear Motion Type | 3 | Single Solenoid | null～0.6 | Single Item | FKM | SUS | Yes | ||
SGD 203.93 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 3 | Single Solenoid | null～0.6 | Single Item | FKM | Brass | Yes | ||
SGD 203.93 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 3/8 | Linear Motion Type | 3 | Single Solenoid | null～0.6 | Single Item | FKM | Brass | Yes | ||
SGD 122.03 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | NBR | Brass | None | ||
SGD 124.72 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | NBR | Brass | Yes | ||
SGD 122.03 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 3/8 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | NBR | Brass | None | ||
SGD 124.72 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 3/8 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | NBR | Brass | Yes | ||
SGD 232.05 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 1/4 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | NBR | SUS | Yes | ||
SGD 273.70 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | FKM | SUS | Yes | ||
SGD 266.93 | 1 Piece(s) | 32 Day(s) | - | [Rc (R)] Rc | 3/8 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | FKM | SUS | Yes | ||
SGD 256.20 | 1 Piece(s) | 32 Day(s) | Oil | [Rc (R)] Rc | 3/8 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | EPDM | SUS | Yes | ||
SGD 203.93 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 1/4 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | FKM | Brass | Yes | ||
SGD 203.93 | 1 Piece(s) | 32 Day(s) | Vacuum | [Rc (R)] Rc | 3/8 | Linear Motion Type | 4 | Single Solenoid | null～0.3 | Single Item | FKM | Brass | Yes |
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Basic Information
| Type | Air Operating Type | Operating Environment | Standard | Switching Type | 3-Port Universal |
|---|---|---|---|---|---|
| Operating Temperature Range(°C) | -5::40 |
Specification/Dimensions
-
Applicable Fluid
- Air
- Water
- Vacuum
- Oil
- Gas
-
Plumbing Thread Nominal
-
Driving Type
- Linear Motion Type
-
Orifice Dia.(Ø)
-
Sealing materials
- EPDM
- FKM
- NBR
-
Body material
- Brass
- SUS
-
Bracket
- None
- Yes
-
type
- VXA31
- VXA32
-
Connection Type
- Rc (R)
- G
- NPT
- NPTF
- Rc (R)
Days to Ship
-
- All
- 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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