Free Mount Cylinder For Vacuum ZCUK Series

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 compact square cylinder with high installation accuracy.
[Features]
· CU Series with a vacuum passage in the rod for easy mounting of vacuum pads.
· Helps save space.
· Not necessary to provide vacuum tubing space at the end of the rod.
*See the SMC catalog for specification details.
*Product pictures are representative images. CAD data is not supported for some model numbers.
Free Mount Cylinder For Vacuum ZCUK Series Specifications

ZCDUKR20-20D-M5B external appearance

ZCDUKC16-20D-M3B external appearance

Mounting method
*The photos show representative examples of the series. Take note that the product's specifications may differ.
Specifications
| Tube Inner Diameter (mm) | ø10 mm | ø16 mm | ø20 mm | ø25 mm | ø32 mm |
|---|---|---|---|---|---|
| Fluid | Air | ||||
| Proof Pressure | 1.05 MPa | ||||
| Maximum operating pressure | 0.7 MPa | ||||
| Minimum operating pressure | 0.13 MPa | 0.11 MPa | |||
| Vacuum Port Pressure | -101 kPa to 0.6 MPa (0 to 0.6 MPa at vacuum release) | ||||
| Ambient and Fluid Temperature | Without auto switch: -10°C to +70°C (no freezing) With auto switch: -10°C to +60°C (No freezing) | ||||
| Lubrication | Not required | ||||
| Piston Speed | 50 to 500 mm/s | ||||
| Cushioning | Rubber bumper at both ends | ||||
| Stroke Length Tolerance | +1.0 0 | ||||
| With/Without Rod End Thread | With, without (pad direct mounting type) | ||||
| Mounting | Basic type | ||||
Diagram / Cap Piping, Male Threaded Type ZC(D)UKC

ø10 mm diagram

ø16 to 32 mm diagram
Component Parts
| Number | Name | Material | Notes |
|---|---|---|---|
| 1 | Cylinder Tubing | Aluminum alloy | Hard anodized aluminum |
| 2 | Rod Cover B | Aluminum alloy | Chromate |
| 3 | Cap | Aluminum alloy | Anodized aluminum |
| 4 | Piston | Aluminum alloy | Chromate |
| 5 | Piston rod | Stainless steel | - |
| 6 | Bushing | Bearing alloy | - |
| 7 | Plate | Aluminum alloy | Nickel plating |
| 8 | Guide Rod | Stainless steel | - |
| 9 | Bushing | Resin/Copper alloy (Multiple layers) | - |
| 10 | Hex Socket Head Cap Screw | Carbon steel | Chromate |
| 11 | Hex Socket Head Set Screw | Carbon steel | Chromate |
| 12 | Hex Socket Head Cap Screw | Carbon steel | Nickel plated |
| 13 | Damper | Urethane | - |
| 14 | Magnet | - | - |
| 15 | Auto switch | - | - |
| 16 | Rod End Nut | Carbon steel | Chromate |
| 17 | Piston Gasket | NBR | - |
| 18 | Piston Seal | NBR | - |
| 19 | Rod Seal | - | |
| 20 | Gasket | - | |
| 21 | Gasket for Cap | - | |
| 22 | Seal Washer | Rolled steel plate, NBR | - |
Replacement Parts / Seal Kit, Cap Piping
| - | Bore Size / Part Number | ||||
|---|---|---|---|---|---|
| ø10 mm | ø16 mm | ø20 mm | ø25 mm | ø32 mm | |
| Kit No. | ZCU10-PS | ZCU16-PS | ZCU20-PS | ZCU25-PS | ZCU32-PS |
- *Seal kit includes 18, 19, 20 and 21. Place your order using the kit numbers for each tube.
- *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)
Dimensions / Vacuum Side Piping: Cap Piping, Rod-End Configuration: Male Thread
(Units: mm)

ø10 mm dimensions

ø16 to 32 mm dimensions
| Model | Port Size | Stroke Range (mm) | A | A ’ | B | C | ød | øD | E | F | FK | FL | FY | GA | GC | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air Piping Port | Vacuum Piping Port | |||||||||||||||
| ZC(D)UKC16 | M5 × 0.8 | M5 × 0.8 | 5 to 30 | 11 | 12.5 | 20 | 32 | 2 | 6 | 7 | 8 | 13 | 17 | 28 | 16.5*1 | 31 |
| ZC(D)UKC20 | M5 × 0.8 | 1/8 | 5 to 50 | 12 | 14 | 26 | 40 | 3 | 8 | 9 | 8 | 16 | 20 | 33 | 19 | 33.5 |
| ZC(D)UKC25 | M5 × 0.8 | 1/8 | 5 to 50 | 15.5 | 18 | 32 | 50 | 4 | 10 | 10 | 10 | 20 | 22 | 43.5 | 21.5 | 34 |
| ZC(D)UKC32 | 1/8 | 1/8 | 5 to 50 | 19.5 | 22 | 40 | 62 | 5 | 12 | 11 | 12 | 24 | 29 | 51.5 | 23 | 34.5 |
| Model | H | J | L | MM | øP | Q | QA | R | S | SA | øT | Y | Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ZC(D)UKC16 | 26 | 14 | 5 | M5 × 0.8 | 4.5 | 4 | 2 | 12 | 30 (40) | 19.5 | 7.6 depth 6.5 | 15.5 | 75.5 (85.5) |
| ZC(D)UKC20 | 29 | 16 | 6 | M6 × 1.0 | 5.5 | 9 | 4.5 | 16 | 36 (46) | 21 | 9.3 depth 9 | 19.5 | 86 (96) |
| ZC(D)UKC25 | 33 | 20 | 8 | M8 × 1.25 | 5.5 | 9 | 4.5 | 20 | 40 (50) | 21 | 9.3 depth 8 | 24.5 | 94 (104) |
| ZC(D)UKC32 | 42 | 24 | 10 | M10 × 1.25 | 6.6 | 13.5 | 4.5 | 24 | 42 (52) | 22 | 11 depth 11.5 | 30.5 | 106 (116) |
Dimension in ( ) are for with auto switch
*1 ZCUKC16-5D is 14.5 mm.
*See the manufacturer's catalog for product information other than that detailed above.