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Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series (Part Numbers)

Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series

A standard type short double action, single rod cylinder.
[Features]
· An air cylinder with an overall length reduced by up to 51 mm and weight reduced by up to 24% (compared to CG1).
· Female rod end available as standard.
*See the SMC catalog for specification details.
*Product pictures are representative images. CAD data is not supported for some model numbers.

(i)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.

PDF

Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series Specifications

Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series external appearance

Air Cylinder, Short Type, Standard, Double Acting, Single Rod CG3 Series external appearance

JIS symbol (rubber bumper)

JIS symbol (rubber bumper)

Specifications

Tube Inner Diameter (mm)20253240506380100
ActionDouble acting, single rod
LubricationNot required (non-lubricated)
FluidAir
Proof Pressure1.0 MPa
Maximum operating pressure0.7 MPa
Minimum operating pressure0.05 MPa
Ambient and Fluid TemperatureWithout auto switch: -10°C to 70°C (No freezing)
With auto switch: -10°C to 60°C (No freezing)
Piston Speed50 to 1,000 mm/s30 to 700 mm/s
Stroke Length Tolerance0 to +1.4 mm
CushioningRubber cushion
Mount Support TypeBasic type, foot type, rod-end flange type,
head-end flange type, clevis type
Allowable Kinetic
Energy
Rod end male thread0.2 J0.29 J0.46 J0.84 J1.4 J2.38 J4.13 J6.93 J
Rod end female thread0.11 J0.18 J0.29 J0.52 J0.91 J1.54 J2.71 J4.54 J

*Only use the cylinder within the allowable kinetic energy range. See the SMC catalog for details.

Stroke Table

Tube Inner Diameter (mm)Standard Stroke (mm)*
2025, 50, 75, 100, 125, 150, 200
2525, 50, 75, 100, 125, 150, 200, 250, 300
32
40
50
63
80
100

*Contact the SMC support center regarding intermediate strokes of 1‑mm increments. (Spacers are not used.)

Theoretical Output Table

 

(Unit: N)

 

Tube Internal Diameter
D (mm)
Rod Diameter
d (mm)
Operating DirectionPiston Area
(mm2)
Operating Pressure (MPa)
0.20.30.40.50.60.7
208OUT31462.894.2125.6157188.4219.8
IN26452.879.2105.6132158.4184.8
2510OUT49198.2147.3196.4245.5294.6343.7
IN41282.4123.6164.8206247.2288.4
3212OUT804160.8241.2321.6402482.4562.8
IN691138.2207.3276.4345.5414.6483.7
4014OUT1,257251.4377.1502.8628.5754.2879.9
IN1,103220.6330.9441.2551.5661.8772.1
5018OUT1,964392.8589.2785.69821,178.41,374.8
IN1,709341.8512.7683.6854.51,025.41,196.3
6318OUT3,117623.4935.11,246.81,558.51,870.22,181.9
IN2,863572.6858.91,145.21,431.51,717.82,004.1
8022OUT5,0271,005.41,508.12,010.82,513.53,016.23,518.9
IN4,646929.21,393.81,858.42,3232,787.63,252.2
10026OUT7,8541,570.82,356.23,141.63,9274,712.45,497.8
IN7,3231,464.62,196.92,929.23,661.54,393.85,126.1

*Theoretical output (N) = Pressure (MPa) × Piston area (mm2).

Weight Table

 

(Unit: kg)

 

Tube Inner Diameter (mm)20253240506380100
Basic weightBasic type0.090.140.200.320.660.921.752.74
Rod-End Long Type (G)0.100.150.210.340.700.971.842.85
Rod End Female Thread Type (F)0.080.120.190.290.600.851.612.53
Additional Bracket WeightFoot type0.110.130.160.220.480.720.961.75
Flange type0.080.100.140.200.340.500.711.35
Clevis Type0.050.080.150.230.400.680.711.28
Pivot bracket0.080.090.170.250.440.800.981.75
Single Knuckle Joint0.050.090.090.100.220.220.390.57
Double knuckle joint (with pin)0.050.090.090.130.260.260.641.31
Additional weight per 50 strokes0.050.070.090.130.190.230.310.43
Additional Switch Magnet Weight0.010.010.010.010.010.020.020.04

Calculation Example) CDG3FN20-100 (built-in magnet, flange type, ø20 mm, 100 stroke)

  • Basic weight: 0.09 kg (basic type, ø20 mm)
  • Additional bracket weight: 0.08 kg (flange type)
  • Additional stroke weight: 0.05 kg / 50 mm
  • Air cylinder stroke: 100 mm
  • Additional switch magnet weight: 0.01 kg

0.09 + 0.08 + 0.05 × (100/50) + 0.01 = 0.28 kg

Mounting Procedure

Mounting procedure for clevis: (ø20 to 63 mm)

Mounting procedure for clevis: (ø20 to 63 mm)

Mounting procedure for clevis: (ø80 to 100 mm)

Mounting procedure for clevis: (ø80 to 100 mm)

Mounting procedure for rod end nut

Mounting procedure for rod end nut

  1. *1: Tighten the clevis bracket mounting bolts to the proper tightening torques detailed below.
      ø20 mm: 1.5 N·m, ø25 to 32 mm: 2.9 N·m, ø40 mm: 4.9 N·m
      ø50 mm: 11.8 N·m, ø63 to 80 mm: 24.5 N·m, ø100 mm: 42.2 N·m
  2. *2: Mount the flange type and foot type so that the distance 't' (clearance) of the rod end nut is at least 1 mm.
  3. *3: The direction of the rod end nut (for male thread) when mounting should be with the hexagonal part at the rod end. Apply the wrench to the hexagonal part.

Diagram

With rubber bumper diagram

With rubber bumper diagram

NumberNameMaterialNotes
1Rod coverAluminum alloyHard anodized aluminum
2Tube CoverAluminum alloyHard anodized aluminum
3PistonAluminum alloyChromate
4Piston rodCarbon steel*Hard chrome plated*
5BushingResin/Copper alloy (Multiple layers)-
6Bumper AResin-
7Damper BResin-
8Wear RingResin-
9Rod End NutCarbon steelNickel plated
10Rod sealNBR-
11Piston SealNBR-
12Tube GasketNBR-

*For cylinders with auto switches, a magnet is attached to the piston.
*The material for ø20 mm and ø25 mm cylinders with auto switches is stainless steel.

Dimensions

 

(Units: mm)

 

Basic type / CG3BN tube inner diameter, stroke, with rubber bumper dimensional drawing

Basic type / CG3BN tube inner diameter, stroke, with rubber bumper dimensional drawing

 
Rod-end female thread / Long rod-end male thread dimensional drawing

Rod-end female thread / Long rod-end male thread dimensional drawing

 
Foot type / CG3LN tube inner diameter, stroke, with rubber bumper dimensional drawing

Foot type / CG3LN tube inner diameter, stroke, with rubber bumper dimensional drawing

  • *See the manufacturer's catalog for dimensional drawings and values other than those provided above.
Part Number
CDG3GN20-25G-M9BL
CDG3GN20-50
CDG3GN20-50-A93Z
CDG3GN20-50F-M9BWL
CDG3GN20-75
CDG3GN20-75-A93L
CDG3GN20-75-M9BW
CDG3GN20-75-M9BWL
CDG3GN20-100
CDG3GN20-100-A93L
CDG3GN20-100F-H7BAL
CDG3GN20-100F-M9BWL
CDG3GN20-115F
CDG3GN20-115F-H7BAL
CDG3GN20-125
CDG3GN20-125F-H7BAL
CDG3GN20-125F-M9BWL
CDG3GN20-150G-A93LS
CDG3GN20-200
CDG3GN20-200-A93L
CDG3GN20-200G
CDG3GN20-200G-A93LS
CDG3GN25-50-C73C
CDG3GN25-60-M9N
CDG3GN25-75-A93
CDG3GN25-100
CDG3GN25-100-A93LS
CDG3GN25-100-A93S
CDG3GN25-100-M9BL
CDG3GN25-100-M9BWL
CDG3GN25-125-A93
CDG3GN25-125F-M9BW
CDG3GN25-140F-M9BZ
CDG3GN25-150
CDG3GN25-150-M9BW
CDG3GN25-300-M9NWZ
CDG3GN25-300G-M9BWL
CDG3GN32-35-A93
CDG3GN32-35-A93Z
CDG3GN32-40
CDG3GN32-50-A93
CDG3GN32-100
CDG3GN32-100-A93L
CDG3GN32-100-M9NL
CDG3GN32-125-M9NLS
CDG3GN32-125-M9NS
CDG3GN32-150-M9B
CDG3GN32-150-M9N
CDG3GN32-150F-M9BW
CDG3GN32-180F
CDG3GN32-200
CDG3GN32-200-M9BW
CDG3GN32-220F
CDG3GN32-250-M9BWL
CDG3GN32-300-M9BL
CDG3GN32-300-M9BWL
CDG3GN40-15-M9BL
CDG3GN40-50
CDG3GN40-50-M9BL
CDG3GN40-50F
CDG3GN40-60
CDG3GN40-60-M9BL
CDG3GN40-75
CDG3GN40-75-A93L
CDG3GN40-75-M9BWL
CDG3GN40-100
CDG3GN40-100-M9BS
CDG3GN40-125
CDG3GN40-125-A93Z
CDG3GN40-125-M9BS
CDG3GN40-125-M9BWL
CDG3GN40-150-M9BS
CDG3GN40-200-M9B
CDG3GN40-250F-M9NW
CDG3GN40-250F-M9PW
CDG3GN40-250G-M9BW
CDG3GN40-275
CDG3GN40-300
CDG3GN50-25-M9BW
CDG3GN50-25F-A93
CDG3GN50-50-A93L
CDG3GN50-75-M9BL
CDG3GN50-75-M9BWL
CDG3GN50-85F-B54
CDG3GN50-100-A93
CDG3GN50-100-M9BW
CDG3GN50-100F
CDG3GN50-100F-M9BW
CDG3GN50-125-B54
CDG3GN50-125-M9BWL
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Specifications Auto Switches Lead Wire The number of the switches Type of Mount Support Rod Tip Shape

-

1 Piece(s) Quote 2025Built-in magnetM9B32Head-end flangeMale thread, long

-

1 Piece(s) Quote 2050Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 2050Built-in magnetA9352Head-end flangeMale thread

-

1 Piece(s) Quote 2050Built-in magnetM9BW32Head-end flangeFemale Thread

-

1 Piece(s) Quote 2075Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 2075Built-in magnetA9332Head-end flangeMale thread

-

1 Piece(s) Quote 2075Built-in magnetM9BW0.52Head-end flangeMale thread

-

1 Piece(s) Quote 2075Built-in magnetM9BW32Head-end flangeMale thread

-

1 Piece(s) Quote 20100Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 20100Built-in magnetA9332Head-end flangeMale thread

-

1 Piece(s) Quote 20100Built-in magnetH7BA32Head-end flangeFemale Thread

-

1 Piece(s) Quote 20100Built-in magnetM9BW32Head-end flangeFemale Thread

-

1 Piece(s) Quote 20115Built-in magnetWithout switch--Head-end flangeFemale Thread

-

1 Piece(s) Quote 20115Built-in magnetH7BA32Head-end flangeFemale Thread

-

1 Piece(s) Quote 20125Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 20125Built-in magnetH7BA32Head-end flangeFemale Thread

-

1 Piece(s) Quote 20125Built-in magnetM9BW32Head-end flangeFemale Thread

-

1 Piece(s) Quote 20150Built-in magnetA9331Head-end flangeMale thread, long

-

1 Piece(s) Quote 20200Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 20200Built-in magnetA9332Head-end flangeMale thread

-

1 Piece(s) Quote 20200Built-in magnetWithout switch--Head-end flangeMale thread, long

-

1 Piece(s) Quote 20200Built-in magnetA9331Head-end flangeMale thread, long

-

1 Piece(s) Quote 2550Built-in magnetC73C0.52Head-end flangeMale thread

-

1 Piece(s) Quote 2560Built-in magnetM9N0.52Head-end flangeMale thread

-

1 Piece(s) Quote 2575Built-in magnetA930.52Head-end flangeMale thread

-

1 Piece(s) Quote 25100Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 25100Built-in magnetA9331Head-end flangeMale thread

-

1 Piece(s) Quote 25100Built-in magnetA930.51Head-end flangeMale thread

-

1 Piece(s) Quote 25100Built-in magnetM9B32Head-end flangeMale thread

-

1 Piece(s) Quote 25100Built-in magnetM9BW32Head-end flangeMale thread

-

1 Piece(s) Quote 25125Built-in magnetA930.52Head-end flangeMale thread

-

1 Piece(s) Quote 25125Built-in magnetM9BW0.52Head-end flangeFemale Thread

-

1 Piece(s) Quote 25140Built-in magnetM9B52Head-end flangeFemale Thread

-

1 Piece(s) Quote 25150Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 25150Built-in magnetM9BW0.52Head-end flangeMale thread

-

1 Piece(s) Quote 25300Built-in magnetM9NW52Head-end flangeMale thread

-

1 Piece(s) Quote 25300Built-in magnetM9BW32Head-end flangeMale thread, long

-

1 Piece(s) Quote 3235Built-in magnetA930.52Head-end flangeMale thread

-

1 Piece(s) Quote 3235Built-in magnetA9352Head-end flangeMale thread

-

1 Piece(s) Quote 3240Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 3250Built-in magnetA930.52Head-end flangeMale thread

-

1 Piece(s) Quote 32100Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 32100Built-in magnetA9332Head-end flangeMale thread

-

1 Piece(s) Quote 32100Built-in magnetM9N32Head-end flangeMale thread

-

1 Piece(s) Quote 32125Built-in magnetM9N31Head-end flangeMale thread

-

1 Piece(s) Quote 32125Built-in magnetM9N0.51Head-end flangeMale thread

-

1 Piece(s) Quote 32150Built-in magnetM9B0.52Head-end flangeMale thread

-

1 Piece(s) Quote 32150Built-in magnetM9N0.52Head-end flangeMale thread

-

1 Piece(s) Quote 32150Built-in magnetM9BW0.52Head-end flangeFemale Thread

-

1 Piece(s) Quote 32180Built-in magnetWithout switch--Head-end flangeFemale Thread

-

1 Piece(s) Quote 32200Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 32200Built-in magnetM9BW0.52Head-end flangeMale thread

-

1 Piece(s) Quote 32220Built-in magnetWithout switch--Head-end flangeFemale Thread

-

1 Piece(s) Quote 32250Built-in magnetM9BW32Head-end flangeMale thread

-

1 Piece(s) Quote 32300Built-in magnetM9B32Head-end flangeMale thread

-

1 Piece(s) Quote 32300Built-in magnetM9BW32Head-end flangeMale thread

-

1 Piece(s) Quote 4015Built-in magnetM9B32Head-end flangeMale thread

-

1 Piece(s) Quote 4050Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 4050Built-in magnetM9B32Head-end flangeMale thread

-

1 Piece(s) Quote 4050Built-in magnetWithout switch--Head-end flangeFemale Thread

-

1 Piece(s) Quote 4060Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 4060Built-in magnetM9B32Head-end flangeMale thread

-

1 Piece(s) Quote 4075Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 4075Built-in magnetA9332Head-end flangeMale thread

-

1 Piece(s) Quote 4075Built-in magnetM9BW32Head-end flangeMale thread

-

1 Piece(s) Quote 40100Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 40100Built-in magnetM9B0.51Head-end flangeMale thread

-

1 Piece(s) Quote 40125Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 40125Built-in magnetA9352Head-end flangeMale thread

-

1 Piece(s) Quote 40125Built-in magnetM9B0.51Head-end flangeMale thread

-

1 Piece(s) Quote 40125Built-in magnetM9BW32Head-end flangeMale thread

-

1 Piece(s) Quote 40150Built-in magnetM9B0.51Head-end flangeMale thread

-

1 Piece(s) Quote 40200Built-in magnetM9B0.52Head-end flangeMale thread

-

1 Piece(s) Quote 40250Built-in magnetM9NW0.52Head-end flangeFemale Thread

-

1 Piece(s) Quote 40250Built-in magnetM9PW0.52Head-end flangeFemale Thread

-

1 Piece(s) Quote 40250Built-in magnetM9BW0.52Head-end flangeMale thread, long

-

1 Piece(s) Quote 40275Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 40300Built-in magnetWithout switch--Head-end flangeMale thread

-

1 Piece(s) Quote 5025Built-in magnetM9BW0.52Head-end flangeMale thread

-

1 Piece(s) Quote 5025Built-in magnetA930.52Head-end flangeFemale Thread

-

1 Piece(s) Quote 5050Built-in magnetA9332Head-end flangeMale thread

-

1 Piece(s) Quote 5075Built-in magnetM9B32Head-end flangeMale thread

-

1 Piece(s) Quote 5075Built-in magnetM9BW32Head-end flangeMale thread

-

1 Piece(s) Quote 5085Built-in magnetB540.52Head-end flangeFemale Thread

-

1 Piece(s) Quote 50100Built-in magnetA930.52Head-end flangeMale thread

-

1 Piece(s) Quote 50100Built-in magnetM9BW0.52Head-end flangeMale thread

-

1 Piece(s) Quote 50100Built-in magnetWithout switch--Head-end flangeFemale Thread

-

1 Piece(s) Quote 50100Built-in magnetM9BW0.52Head-end flangeFemale Thread

-

1 Piece(s) Quote 50125Built-in magnetB540.52Head-end flangeMale thread

-

1 Piece(s) Quote 50125Built-in magnetM9BW32Head-end flangeMale thread

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Standard
Additional Function Standard Environment, Applications Standard Cushion Rubber cushion
Operating Pressure(MPa) 0.05 to 0.7

Tech Support

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