CVM3 Series Valve Mounted Cylinder, Single Acting, Spring Return/Extend

Caution
- ■ SMC Product Line
Webpages for products currently without individual pages on this site will be released on an ad-hoc basis. - Refer to the manufacturer's catalog for specification and material details.
- Product images may be representative images. Refer to the manufacturer's catalog for shape details.
- CAD data is not supported for some model numbers.
Product Description
Standard-type valve-mounted cylinder with single acting, spring return or spring extend actuation.
[Features]
· An air cylinder with a valve mounted on the round cylinder.
· Some models also have a built-in speed controller.
· Easy speed adjustment.
*See the SMC catalog for specification details.
*Product pictures are representative images. CAD data is not supported for some model numbers.
CVM3 Series Valve Mounted Cylinder, Single Acting, Spring Return/Extend Specifications

CVM3 Series Valve Mounted Cylinder, Single Acting, Spring Return/Extend external appearance

Manual operation is possible by pushing the manual button indicated by the arrow

Symbol (rubber bumper) 1

Symbol (Rubber bumper) 2
Specifications
| Compatible Cylinder Bore Size (mm) | 20 | 25 | 32 | 40 | |
|---|---|---|---|---|---|
| Action | Single acting, spring return/extend | ||||
| Fluid | Air | ||||
| Cushioning | Rubber cushion | ||||
| Proof Pressure | 1.0 MPa | ||||
| Maximum operating pressure | 0.7 MPa | ||||
| Minimum operating pressure | 0.18 MPa spring return | 0.23 MPa spring extend | |||
| Ambient and Working Fluid Temperature | -10 ℃ to 50 ℃ (no freezing) | ||||
| Lubrication | Not required (non-lubricated) | ||||
| Stroke Length Tolerance | +1.4 0 | ||||
| Piping | Screw-in type | Rc 1/8 | |||
| Single-action fittings | Outer diameter: ø6 mm / Inner diameter ø4 mm | ||||
| Manual operation | Non-locking (standard) | ||||
| Operating Piston Speed (mm/s) | 50 to 700 | 50 to 650 | 50 to 590 | 50 to 420 | |
| Allowable kinetic energy | 0.27 J | 0.4 J | 0.65 J | 1.2 J | |
| Mounting | Basic type, axial foot type, rod-end flange type, head-end flange type, single clevis type, double clevis type, head end trunnion type, rod end trunnion type | ||||
Solenoid Valve Specifications
| Applicable Solenoid Valve Model | VZ319 | ||
|---|---|---|---|
| Coil Rated Voltage | Standard: 100 V AC, 200 V (50/60 Hz), 24 V DC Semi-standard: 110 V AC, 220 V, 12 V DC | ||
| Effective area of valve (Cv factor) | 4.5 mm2 (0.25) | ||
| Allowable Voltage Fluctuation | -15% to 10% of rated voltage | ||
| Coil Insulation Type | Equivalent to B type (130°C) | ||
| Electrical Entry | Grommet, L plug connector, M plug connector, DIN terminal | ||
| *Power Consumption (W) | DC | 1.8 (with indicator light: 2.1) | |
| *Apparent Power (VA) | AC | Inrush | 4.5/50 Hz, 4.2/60 Hz |
| Holding | 3.5 / 50 Hz, 3.0 / 60 Hz | ||
*At rated voltage
Standard Stroke Table
| Tube Inner Diameter (mm) | Standard stroke (mm)* |
|---|---|
| 20 | 25, 50, 75, 100, 125, 150* |
| 25 | 25, 50, 75, 100, 125, 150* |
| 32 | 25, 50, 75, 100, 125, 150, 200* |
| 40 | 25, 50, 75, 100, 125, 150, 200, 250* |
*1: Consult with the manufacturer regarding intermediate strokes other than those listed above.
*2: Strokes marked with * are the maximum strokes available.
Diagram

Diagram: spring return

Diagram: spring extend

Diagram: built-in single-action fitting

Diagram: DIN terminal
| Number | Name | Material | Notes |
|---|---|---|---|
| 1 | Rod cover | Aluminum alloy | Clear anodizing |
| 2 | Head cover | Aluminum alloy | Clear anodizing |
| 3 | Cylinder Tube | Stainless steel | - |
| 4 | Piston | Aluminum alloy | Chromate |
| 5 | Piston rod | Carbon steel | Hard chrome plated |
| 6 | Bushing | Oil-impregnated sintered alloy | - |
| 7 | Seal retainer | Stainless steel | - |
| 8 | Return spring | Steel wire | Zinc chromated |
| 9 | Spring guide | Aluminum alloy | Chromate |
| 10 | Spring seat | Aluminum alloy | Chromate |
| 11 | Plug with fixed orifice | Alloy steel | Black zinc chromated |
| 12 | Retaining Ring | Carbon tool steel | Phosphate coating |
| 13 | Sub-plate | Aluminum alloy | Metallic coating |
| 14 | Hexagon socket head cap screw with spring washer | Carbon steel | Nickel plated |
| 15 | Plate | Aluminum alloy | Metallic coating |
| 16 | Hexagon socket head cap screw with spring washer | Carbon steel | Nickel plated |
| 17 | Solenoid valve | - | *Refer to the information below |
| 18 | Damper | Urethane | - |
| 19 | Bumper A | Urethane | - |
| 20 | Damper B | Urethane | - |
| 21 | Retaining Ring | Stainless steel | - |
| 22 | Piston packing | NBR | - |
| 23 | Piston gasket | NBR | - |
| 24 | Wear ring | Resin | - |
| 25 | Head cover gasket | NBR | - |
| 26 | Sub-plate gasket | NBR | - |
| 27 | Gasket | NBR | - |
| 28 | Pipe Gasket | Urethane rubber | - |
| 29 | Gasket | Resin | - |
| 30 | Spacer gasket | Resin | - |
| 31 | Single-action fittings | - | Port size: ø6 (6-mm diameter) |
| 32 | Stud | Brass | Electroless nickel plated |
| 33 | Pipe | Aluminum alloy | Clear anodizing |
Drawing
(Units: mm)

Dimensional drawings: basic type (B) single acting, spring return / CVM3B bore size - stroke S

Dimensional drawings: basic type (B) single acting, spring extend / CVM3B bore size - stroke T / built-in single-action fitting
- *See the manufacturer's catalog for dimensions and information other than the above.