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Air Cylinder Standard Type, Single Acting, Spring Return/Extend CG1 Series (CG1ZN20-30SZ)

Air Cylinder Standard Type, Single Acting, Spring Return/Extend CG1 Series CG1ZN20-30SZ

Standard cylinder with improved auto switch operability.
[Features]
· Rod action type: single rod.
· Female rod end available as standard.
· Improved auto switch operability and easy position adjustment.
· No trunnion mounting female thread for basic type variation.
· Part numbers are set for products with rod-end brackets and pivot brackets (no need to order separately).

(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

Part Number

Configured Part Number is shown.

CG1ZN20-30SZ

Configured Specifications

Cylinder Operation MethodSingle Acting (Extruded)Rod Operation MethodSingle Rods
Main Body ShapeStandardCylinder (Tube) Inner Diameter(Ø)20
Stroke(mm)30Additional FunctionStandard
Environment, ApplicationsStandardCushionRubber cushion
Operating Pressure(MPa)0.18 to 1.0SpecificationsWithout magnet
Auto Switches-Lead Wire-
Show More
The number of the switches-Swinging Receiving MetalWithout bracket
Rod Tip Metal FittingWithout bracketType of Mount SupportBasic type (without trunnion mounting female thread)
Rod Tip ShapeRod end male threadCustom-made SpecificationsMade-to-order products not available
Show Less

Air Cylinder Standard Type, Double Acting, Single Rod CG1 Series Specifications

Air Cylinder Standard Type, Double Acting, Single Rod CG1 Series external appearance

Air Cylinder Standard Type, Double Acting, Single Rod CG1 Series external appearance

JIS symbol: Rubber bumper

JIS symbol: Rubber bumper

Specifications

Tube Inner Diameter (mm)20253240
ActionDouble acting, single rod
LubricationNot required (non-lubricated)
FluidAir
Proof Pressure1.5 MPa
Maximum operating pressure1.0 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/s
Stroke Length ToleranceUp to 1,000 st (0 to +1.4) mm, Up to 1,500 st (0 to +1.8) mm
CushioningRubber cushion
Mounting**Basic type, basic type (without trunnion mounting female thread), axial foot type, rod-end flange type, head-end flange type, rod-end trunnion type, head-end trunnion type, clevis type
Allowable Kinetic
Energy
(J)
Rubber
Cushioning
Rod end
Male thread
0.280.410.661.202.003.405.909.90
Rod end
Male thread
0.110.180.290.520.911.542.714.54
  • *R: rod side, H: head side
  • *Foot, flange and clevis types with cylinder sizes of ø20 to ø63 mm do not have trunnion mounting female threads. Only use the cylinder within the allowable kinetic energy range.

Stroke Table

 

(Units: mm)

 

Tube Internal DiameterStandard Stroke*1Maximum Manufacturable Stroke*2
2025, 50, 75, 100, 125, 150, 200201 to 1,500
2525, 50, 75, 100, 125, 150, 200, 250, 300301 to 1,500
32
40

*1: Intermediate strokes not listed above are produced to order.
Manufacture of intermediate strokes at 1‑mm increments is possible. (Spacers are not used.)
*2: The maximum manufacturable stroke shows the long stroke.
*3: The applicable stroke should be confirmed according to the usage. For details, please refer to "Air Cylinders Model Selection" in the SMC catalog. In addition, products that exceed the standard stroke may not be able to meet the specifications due to deflection, etc.

Mounting Bracket, Accessories / Materials and Surface Treatment

ClassificationNameMaterialSurface Treatment
Mounting BracketFootCarbon steelNickel plated
FlangeCarbon steel (ø20 to ø63 mm)Nickel plating
Cast iron (ø80 mm, ø100 mm)Nickel plating
ClevisCarbon steel (ø20 to ø63 mm)Nickel plating
Cast iron (ø80 mm, ø100 mm)Nickel plating
Trunnion PinTrunnion PinCarbon steelSalt bath nitrocarburizing
Trunnion Bracket BoltCarbon steelNickel plated
Flat WasherCarbon steelNickel plated
AccessoriesRod End NutCarbon steelZinc chromate
Single Knuckle JointCarbon steel (ø20 to ø32 mm)Nickel plating
Cast iron (ø40 to ø100 mm)Zinc chromate
U-Shaped Knuckle JointCarbon steel (ø20 to ø32 mm)Nickel plating
Cast iron (ø40 to ø100 mm)Zinc chromate
Knuckle PinCarbon steel-
Clevis PinCarbon steel-
Pivot bracketCarbon steel (ø20 to ø63 mm)Nickel plating
Cast iron (ø80 mm, ø100 mm)Nickel plating
Mounting BoltCarbon steelNickel plated
Retaining RingCarbon tool steelPhosphate coating

Mounting Procedure

Trunnion mounting procedure

Trunnion mounting procedure

Follow the procedures in the above figure when mounting a pivot bracket on the trunnion.

Clevis mounting procedure

Clevis mounting procedure

Follow the procedures in the above figure when mounting a pivot bracket on the clevis.

Dimensions (Dimensions Other Than Those Shown Below Are Same As Standard Type)

Rubber bumper dimensions

Rubber Bumper Dimensions

 

(Units: mm)

 

Tube Internal Diameter(E1)*E(F1)*FGASTAWAZZ
RcNPTGMale threadFemale Thread
321718221816.577 (85)1722119 (127)93 (101)
40212522191984 (93)1823136 (145)101 (110)
  • *Dimensions marked with * are the same as the standard type.
  • *Dimensions inside () are for long strokes.

Diagram

Rubber bumper diagram

Rubber bumper diagram

Component Parts

NumberNameMaterialNotes
1Rod coverAluminum alloyHard anodized aluminum
2Tube CoverAluminum alloyHard anodized aluminum
3PistonAluminum alloy-
4Piston rodStainless steelFor ø20 mm, ø25 mm with built-in magnet
Carbon steel*Hard chrome plating*
5BushingResin/Copper alloy (Multiple layers)-
6BumperResinCommon for ø32 and higher
7DamperResin
8Retaining RingStainless steelNot available for ø80 mm, ø100 mm
9Wear RingResin-
10Rod End NutCarbon steelZinc chromate
17Head coverAluminum alloyHard anodized aluminum
18Cylinder TubingAluminum alloyHard anodized aluminum
19Rod SealNBR-
20Piston SealNBR-
21Tube 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.

Replacement Parts / Seal Kit

Tube Inner Diameter (mm)Order NumberContents
20CG1N20Z-PSSet of (19), (20) and (21)
25CG1N25Z-PS
32CG1N32Z-PS
40CG1N40Z-PS

*See the product specific precautions in the SMC catalog for information regarding dismantling and replacement.
Order using the order number for each type and bore size.

  • *The seal kit includes a grease pack (10 g).
    Order with the following part number when only the grease pack is needed.
    Grease part number: GR-S-010 (10 g)

*See the SMC catalog for other specifications, basic types, dimensions of included fittings, etc.

Part Number
CG1ZN20-30SZ
Part NumberMinimum order quantityVolume DiscountDays to ShipCylinder Operation Method Cylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Operating Pressure
(MPa)
Specifications Auto Switches Lead Wire The number of the switches Swinging Receiving Metal Rod Tip Metal Fitting Type of Mount Support Rod Tip Shape Custom-made Specifications
1 Piece(s) Quote Single Acting (Extruded)20300.18 to 1.0Without magnet---Without bracketWithout bracketBasic type (without trunnion mounting female thread)Rod end male threadMade-to-order products not available
Part Number
Part NumberMinimum order quantityVolume DiscountDays to ShipCylinder Operation Method Cylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Operating Pressure
(MPa)
Specifications Auto Switches Lead Wire The number of the switches Swinging Receiving Metal Rod Tip Metal Fitting Type of Mount Support Rod Tip Shape Custom-made Specifications
  1. 1

Basic Information

Rod Operation Method Single Rods Main Body Shape Standard Additional Function Standard
Environment, Applications Standard Cushion Rubber cushion

Please check the type/dimensions/specifications of the part CG1ZN20-30SZ in the Air Cylinder Standard Type, Single Acting, Spring Return/Extend CG1 Series series.

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Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder Operation Method Cylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Operating Pressure
(MPa)
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