Xi Lanh Khí Nén SMC HYG Series HYDG20H HYDG25H HYDG32H HYDG40H HYDG50H HYDG63H

HYG Series Hygienic Design Cylinder Details

[Features] · Air cylinder with improved water resistance.
· To keep the product flat, grooves for auto switches and holes for cushion needles, etc. have been eliminated.
· Approximately 5 times increase in lifespan (compared to manufacturer’s current models).
· Able to handle food grease (NSF-H1 certified).
· NBR or FKM can be selected as the external sealant material.
· Mounting part: ISO standard (VDMA) compliant (HYC).

HYG Series Hygienic Design Cylinder Specifications

Model Number Notation

Specifications

Tube Inner Diameter (mm)	20	25	32	40	50	63
Action	Double acting
Fluid	Air
Minimum operating pressure	0.2 MPa		0.15 MPa
Maximum operating pressure	1.0 MPa
Proof Pressure	1.5 MPa
Ambient and Working Fluid Temperature	0°C to 60°C
Lubrication	Not required
Piston Speed	50 to 500 mm/s (with pressure at 1.0 MPa)*
Cushioning	Rubber cushion
Stroke length tolerance	(0 to +1.5) mm

*Use the product below the allowable kinetic energy.

Diagram

Components

Number	Part Name	Material	Quantity	Notes
1	Body	Aluminum alloy	1	Anodic oxide film
2	Plate	Aluminum alloy	1	Anodic oxide film
3	Piston rod	Stainless steel	1	Hard chrome plating
4	Guide rod	Stainless steel	2	Special coating
5	Rod cover	Aluminum alloy	1	Anodic oxide film
6	Head cover	Aluminum alloy	1	Chromate
7	Piston	Aluminum alloy	1	–
8	Bushing	Stainless steel	4	Special coating
9	Magnetic holder	Aluminum alloy	1	Chromate
10	Bumper A	Resin	1	–
11	Damper B	Resin	1	–
12	Scraper (piston rod)	Stainless steel + NBR	1	(FKM can be selected)
13	Scraper (guide rod)	Stainless steel + NBR	2	(FKM can be selected)
14	Port plug	Stainless steel	3	–
15	Rod packing	NBR	1	(FKM can be selected)
16	Piston packing	NBR	1	–
17	O-ring (rod end)	NBR	1	(FKM can be selected)
18	O-ring (head end)	NBR	1	–
19	Seal washer	Stainless steel + NBR	3	(FKM can be selected)
20	Magnet	–	1	(Only built-in magnet) (Over ø32 [32‑mm diameter]: 2 magnets)
21	Switch rail base	Stainless steel	2	(Only built-in magnet)
22	Switch rail	Stainless steel	1	(Only built-in magnet)
23	Hexagon bolt	Stainless steel	2	(Only built-in magnet)

Replacement Parts / Seal Kit

Tube inner diameter	Part No.	Set contents
20	HYG20□-PS	Set of (15), (16), (17), (19) listed above
25	HYG25□-PS
32	HYG32□-PS

• *Place the seal material symbol in □.

• *External seal: rod seal, O-ring (rod side) and seal washer are made from FKM.
• *Seal kit includes (15), (16), (17) and (19). Order the seal kit based on the bore size.
• *Since the seal kit does not include a grease pack, order it separately.
  Grease package (food compatible grease): GR-H-010 (10 g)
  Grease package (standard grease): GR-S-010 (10 g)
• *To replace or repair seals of cylinder bore size 40 mm or greater, please contact the manufacturer with your request.
  Please contact the manufacturer when the cylinder has to be disassembled for the purpose of replacing seals, etc.

HYG Series Hygienic Design Cylinder Example Dimensions

Tube inner diameter	PB	PC	PD	QA	QB	RA	RB	RC	RD	RE	RF	TA	TB	TC	TD	UA	UB	UC	UD
20	32.5	14	28.5	7	68.5	39	9.5	32	5.4	M6 × 1	12	24	72	M5 × 0.8	13	18	70	M5 × 0.8	10
25	34.5	15	34	8.5	78.5	41.5	9.5	38	5.4	M6 × 1	12	29	80	M6 × 1	14.5	26	78	M6 × 1	12

• *The figure above shows the condition when shipped (top piping). Change the port plug position for side piping.
• *For more information on piping, refer to the specific product precautions.