CS1W Series Double Rod Type Air Cylinder, Lube / Non-Lube Type, Air-Hydro Type

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
A large-diameter tie-rod type air cylinder with a square cover.
[Features]
· With auto switch (CDS1W).
· *The air-hydro type is available in ø125 (125‑mm diameter), ø140 (140‑mm diameter), and ø160 (160‑mm diameter) only.
CS1W Series Double Rod Type Air Cylinder Specifications

CS1 Series Standard Type Air Cylinder external appearance

JIS symbol for CS1 Series Standard Type Air Cylinder (double acting type, air cushion)
Specifications
| Type | Lube Type / Non-Lube Type | Air-hydro type |
|---|---|---|
| Tube Inner Diameter (mm) | ø125 to 300 (125‑mm to 300‑mm diameter) | ø125 (125‑mm diameter), ø140 (140‑mm diameter), ø160 (160‑mm diameter) |
| Fluid | Air | Turbine oil |
| Proof Pressure | *1.57 MPa | |
| Maximum operating pressure | 0.97 MPa | |
| Minimum operating pressure | 0.05 MPa | 0.06 MPa |
| Piston Speed | 50 to 500 mm/s | 0.5 to 200 mm/s |
| Cushioning | Yes | None |
| Ambient and fluid temperature | 0 to 70°C (no freezing) Air-hydro type: 5 to 60°C | |
| Stroke Length Tolerance (mm) | 250 st or less: (0 to +1.0), 251 to 1,000 st: (0 to +1.4), 1,001 to 1,500 st: (0 to +1.8) 1,501 to 2,000 st: (0 to +2.2), 2,001 to 2,400 st: (0 to +2.6) | |
| Mounting | Basic type, foot type, rod-end flange type, head-end flange type, single clevis type, double clevis type, center trunnion type | |
*Japanese Class 2 Pressure Vessel Act compliant products: 1.46 MPa.
Maximum Stroke Table
(Units: mm)
| Tube Material | Aluminum tube | Iron tube | |
|---|---|---|---|
| Tube inner diameter | Mounting Bracket | ||
| Basic Type / Head Flange Type Single Clevis Type / Double Clevis Type Center Trunnion Type / Foot Type Rod-end flange type | Basic Type / Head Flange Type / Single Clevis Type / Double Clevis Type Center trunnion type | Foot type Rod-end flange type | |
| 125 | 1,000 or less | 1,000 or less | 1,600 or less |
| 140 | 1,000 or less | 1,000 or less | 1,600 or less |
| 160 | 1,200 or less | 1,200 or less | 1,600 or less |
| 180 | - | 1,200 or less | *2,000 or less |
| 200 | - | *1,200 or less | *2,000 or less |
| 250 | - | 1,200 or less | 2,400 or less |
| 300 | - | 1,200 or less | 2,400 or less |
*Aluminum tubing is used for items with a bore size of ø180 (180‑mm diameter) and ø200 (200‑mm diameter) compatible with Class 2 pressure vessels in Japan.
Main Materials and Surface Treatment
| Name | Material | Notes | |
|---|---|---|---|
| Cover | Rolled steel plate | Painted black | |
| Tube | ø125 (125‑mm diameter), ø140 (140‑mm diameter), ø160 (160‑mm diameter) | Aluminum alloy | Hard anodized aluminum |
| Carbon steel tube | Inner surface: hard chrome plating | ||
| ø180 (180‑mm diameter), ø200 (200‑mm diameter), ø250 (250‑mm diameter), ø300 (300‑mm diameter) | *Carbon steel tube | Inner surface: hard chrome plating* | |
| Sliding Part Seal | Lube type | NBR | JIS B2401 O-rings |
| Non-lube type | NBR | - | |
| Air-hydro type | NBR | - | |
| Piston rod | Carbon steel | Hard chrome plating | |
| Piston | Lube type | Cast iron | - |
| Non-lube type | Diecast aluminum alloy (iron tube: cast iron) | Chromate (for aluminum alloy casting) | |
| Air-hydro type | Diecast aluminum alloy (iron tube: cast iron) | Chromate (for aluminum alloy casting) | |
*For items with a bore size of ø180 (180‑mm diameter) and ø200 (200‑mm diameter) compatible with Class 2 pressure vessels in Japan, the material is "aluminum alloy" and the Note should state "hard anodized."
Diagram
Lube type

Lube type diagram
Non-lube type

Non-lube type diagram
Air-hydro type

Air-hydro type diagram
Components
| Number | Name | Material | Notes | |
|---|---|---|---|---|
| 1 | Rod cover | Rolled steel plate | Painted black | |
| 2 | Head cover | Rolled steel plate | Painted black | |
| 3 | Cylinder Tube | ø125 to 160 (125‑mm to 160‑mm diameter) | Aluminum alloy | Hard anodized aluminum |
| ø125 to 300 (125‑mm to 300‑mm diameter) | Carbon steel tube | Inner surface: hard chrome plating | ||
| 4 | Piston | Cast iron* | - | |
| 5 | Piston rod | Carbon steel | Hard chrome plating | |
| 6 | Retaining plate | Cast iron | Painted black | |
| 7 | Bushing | Resin/Copper alloy (Multiple layers) | - | |
| 8 | Valve Guide | Brass | - | |
| 9 | Tie-rod | Carbon steel | Bright chromate | |
| 10 | Tie-rod nut | Rolled steel | Black zinc chromate | |
| 11 | Spring Washer | Steel wire | Black zinc chromate | |
| 12 | Retaining Plate Bolt | Chrome molybdenum steel | Black zinc chromate | |
| 13 | Spring Washer | Steel wire | Black zinc chromate | |
| 14 | Cushion Ring A | Rolled steel | Zinc chromate | |
| 15 | Cushion Ring B | Rolled steel | Zinc chromate | |
| 16 | Cushion valve | Rolled steel | Electroless nickel plated | |
| 17 | Spacer A | Rolled steel | Zinc chromate | |
| 18 | Spacer B | Rolled steel | Zinc chromate | |
| 19 | Air Releasing Valve B | Rolled steel | Zinc chromate | |
| 20 | Air Releasing Valve A | Chrome molybdenum steel | - | |
| 21 | Check ball | Chrome bearing steel | - | |
| 22 | *Tie-Rod Reinforcement Ring | Rolled steel | Painted black | |
| 32 | Wear Ring | Resin | - | |
- *For long stroke
*Aluminum tubing material of non-lube and air-hydro type is aluminum alloy casted.
Seal List
| Number | Name | Material |
|---|---|---|
| Lube type | ||
| 23 | Wiper Ring | NBR |
| 24** | Cushion Seal | |
| 25 | Rod packing | |
| 26 | Piston packing | |
| 27 | Valve Seal | |
| 28 | Tube gasket | |
| 29** | Piston gasket | |
| 30 | Retaining Plate Gasket | |
| 31** | Guide Gasket | |
| Number | Name | Material |
|---|---|---|
| Non-lube type Seals except 25 and 26 are the same as for the lube type. | ||
| 25 | Rod packing | NBR |
| 26 | Piston packing | |
| Number | Name | Material |
|---|---|---|
| Air-hydro type Seals except 25 and 26 are the same as for the lube type. (Except cushion seal) | ||
| 25 | Rod packing | NBR |
| 26 | Piston packing | |
Replacement Parts (Seal Kit)
- For the replacement part numbers (seal kits) for the CS1 Series standard type air cylinder, see p. 534.
- **Seal kits do not include a cushion seal, piston seal and guide gasket because those are not replaceable parts.