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1.MU Series Miniature Free-Installation Cylinder.jpg

FMU Series Miniature Free-Installation Cylinder

·Implementing JIS standards.
·The body can be fixed from four directions, easy to install and use.
·Multiple cylinders can be fixed in parallel, effectively saving installation space.
·The front end of the cylinder is equipped with a guide protrusion for precise and reliable installation location.
·The bore is precision-machined then hardened by oxidation, enhancing its wear resistance and durability.
·Optional magnetic type, featuring position sensing function;
·The periphery of the cylinder body is equipped with sensor slots, making sensor installation convenient;
·The piston seal adopts an asymmetric compact bidirectional sealing structure with oil storage function;

product details

Symbols

Finished Product Order Code

[Note 1] Single-acting push type refers to the piston rod extending when the air is on.The front spring is compressed, and when the air is off the piston rod retracts to its original position under the reset force of the spring

Specifications

Inner Diameter(mm)		4	6	8	10	12	16	20
Mode of Operation		MU: Double-Acting Type MSU:Single-Acting Push Type
Working Medium		Air (filtered through a Filter Element with a pore size smaller than 40μm)
Operating Pressure Range	Double-Acting Type	0.15~0.7MPa(22~100psi)
	Single-Acting Type	0.3~0.7MPa(44~100psi)			0.2~0.7MPa(29~100psi)
Guaranteed Pressure Resistance		1.2MPa(175psi)
Operating Temperature (℃)		-20~70
Operating Speed Range (mm/s)		Double-Acting Type:30-500 Single-Acting Type: 50~500
Stroke Tolerance Range		+1.0 0
Cushion Type		None				Cushion Pad
Pipe Diameter[Note 1]		M3X0.5				M5X0.8

Stroke

Inner Diameter(mm)		Standard Stroke	Maximum Stroke
4	Double-Acting	4 6 8 10 15 20	20
4	Single-Acting	4 6	6
6	Double-Acting	4 6 8 10 15 20 25 30	30
6	Single-Acting	4 6 8	8
8	Double-Acting	46 8 10 15 20 25 30	30
8	Single-Acting	4 6 8 10	10
10	Double-Acting	4 6 8 10 15 20 25 30	30
10	Single-Acting	4 6 8 10	10
12	Double-Acting	5 10 15 20 25 30 35 40 45 50	50
12	Single-Acting	5 10	10
16	Double-Acting	5 10 15 20 25 30 35 40 45 50	50
16	Single-Acting	5 10	10
20	Double-Acting	5 10 15 20 25 30 35 40 45 50	50
20	Single-Acting	5 10	10

[Note] 1. Please contact our company for other special strokes.

2. Non-standard strokes within the maximum stroke range are modified from the previous standard stroke, and their dimensions are the same as those of the previous standard stroke cylinder. For example, a non-standard stroke cylinder with a stroke of 23 is modified from a standard cylinder with a standard stroke of25,and its dimensions are the same.

Overview of MU Products

Cylinder Theoretical Output Table

Cylinder Diameter	Piston Rod Outer Diameter	Mode of Operation		Pressure Area(mm²)	Air Pressure(MPa)
Cylinder Diameter	Piston Rod Outer Diameter	Mode of Operation		Pressure Area(mm²)	0.1	0.2	0.3	0.4	0.5	0.6	0.7
4	2	Push Single-Acting		12.6	-	0.3	1.6	2.8	4.1	5.3	6.6
		Double-Acting	Push Side	12.6	1.3	2.5	3.8	5.0	6.3	7.6	8.8
		Double-Acting	Pull Side	9.4	0.9	1.9	2.8	3.8	4.7	5.6	6.6
6	4	Push Single-Acting		28.3	-	-	5.1	7.9	10.7	13.5	16.4
		Double-Acting	Push Side	28.3	-	5.7	8.5	11.3	14.2	17.0	19.8
		Double-Acting	Pull Side	15.7	-	3.1	4.7	6.3	7.9	9.4	11.0
8	5	Push Single-Acting		50.3	-	-	8.3	13.4	18.4	23.4	28.5
		Double-Acting	Push Side	50.3	-	10.1	15.1	20.1	25.2	30.2	35.2
		Double-Acting	Pull Side	30.6	-	6.1	9.2	12.2	15.3	18.4	21.4
10	6	Push Single-Acting		78.5	-	8.7	16.5	24.4	32.2	40.1	47.9
		Double-Acting	Push Side	78.5	1.3	15.7	23.6	31.4	39.3	47.1	55.0
		Double-Acting	Pull Side	50.3	0.9	10.1	15.1	20.1	25.2	30.2	35.2
12	6	Push Single-Acting		113.1	-	13.6	24.9	36.2	47.5	58.9	70.2
		Double-Acting	Push Side	113.1	11.3	22.6	33.9	45.2	56.5	67.9	79.2
		Double-Acting	Pull Side	84.8	8.5	17.0	25.4	33.9	42.4	50.9	59.4
16	8	Push Single-Acting		201.1	-	27.0	47.1	67.2	87.3	107.4	127.5
		Double-Acting	Push Side	201.1	20.1	40.2	60.3	80.4	100.5	120.6	140.7
		Double-Acting	Pull Side	150.8	15.1	30.2	45.2	60.3	75.4	90.5	105.6
20	10	Push Single-Acting		314.2	-	36.8	68.2	99.7	131.1	162.5	193.9
		Double-Acting	Push Side	314.2	31.4	62.8	94.2	125.7	157.1	188.5	219.9
		Double-Acting	Pull Side	236.5	23.7	47.1	70.7	94.2	117.8	141.4	164.9

Installation and Use (General Purpose)

·When the load changes during operation, a cylinder with ample output force should be selected.

·Under high temperature or corrosive conditions, a corresponding high-temperature resistant or corrosion-resistant cylinder should be selected.

·In environments with high humidity, lots of dust, or presence of water droplets oil dust, and welding slag, appropriate protective measures should be taken for the cylinder.

·Before the cylinder is connected to the pipeline, the dirt inside the pipeline must be cleared to prevent foreign objects from entering the cylinder.

·The medium used in the cylinder should be filtered through a filter element with a pore size smaller than 4Oum before use,

·Because the front cover and piston of the cylinder are relatively short, the stroke generally should not be too large.

·In low-temperature environments, anti-freezing measures should be taken to prevent the water in the system from freezing.

·During the operation of the cylinder, lateral loads should not exceed the allowable value to maintain the normal working life of the cylinder.

·If the cylinder is disassembled and not used for a long time, attention should be paid to surface rust prevention, dust-proof caps should be added to the intake and exhaust ports, and special attention should be paid: the front and rear covers cannot be disassembled by the user.

Internal Structure and Main Component Materials

NO.	Name	Material
1	Piston Rod	Stainless Steel or S45C Hard Chrome Plated Grinding Rod
2	C-shaped Retaining Ring	Spring Steel
3	Front Cover	Aluminum Alloy
4	Front Cover O-Ring	NBR
5	0-Ring	NBR
6	Bumper Pad	TPU
7	Body	Aluminum Alloy
8	Magnet Seat	Brass(Ф12)/Aluminum Alloy(Others)
9	Magnet Shim	NBR
10	Magnet	Sintered Neodymium Iron Boron
11	Piston	Brass(Ф12/Ф16)/Aluminum Alloy(Others)
12	Piston O-Ring	NBR
13	Rear Cover	None(Ф12/16)/Aluminum Alloy(Others)

External Specifications

Cylinder Diameter/Symbol	A		AB	AC		B	C	D		DA	E	EA	H		K	KA	KB		KC	L	LB	LC	M	MA	P	PA	PB	PC
Cylinder Diameter/Symbol	With Magnet	Without Magnet	AB	With Magnet	Without Magnet	B	C	FU	FSU	DA	E	EA	FU	FSU	K	KA	With Magnet	Without Magnet	KC	L	LB	LC	M	MA	P	PA	PB	PC
6	24	19	6	18	13	13	19	4	3.5	3	M2.5X0.45	5	3.5	3	3.3	3	11.5	6.5	7	3.3	7	7	9	3	M3X0.5	5.5	3.5	3
8	24	19	6	18	13	13	21	5		3	M3X0.5	6	4		3.3	3	11.5	6.5	8	3.3	7	8	11	3	M3X0.5	5.5	3.5	3
10	24	19	6	18	13	13.5	22	6		3	M3X0.5	6	5		3.3	3	11.5	6.5	8.5	3.3	7	8.5	12	3	M3X0.5	5.5	3.5	3.5

Cylinder Diameter/Symbol	AB	D(MU)	D(MSU)	DA	E	EA	EB	FA	H
6	12.5	4	3.5	9.5	M3X0.5	5.5	6.5	2.4	3.5
8	14.5	5	5	11.5	M4X0.7	7	8.5	3	4
10	16.5	6	6	13.5	M5X0.8	9	10.5	4	5

[Note] The dimensions not specified are the same as the internal thread type.

Cylinder Diameter/Symbol	A		AB	AC		B	C	CA	D	E	EA	H	K	KA	KB		KC	L	LB	LC	M	MA	P	PA	PB
Cylinder Diameter/Symbol	With Magnet	Without Magnet	AB	With Magnet	Without Magnet	B	C	CA	D	E	EA	H	K	KA	With Magnet	Without Magnet	KC	L	LB	LC	M	MA	P	PA	PB
12	25.5(30.5)	20.5(25.5)	3.5	22(27)	17(22)	17	28.5	15.5	6	M3X0.5	6	5	4.3	6	8.5(13.5)	3.5(8.5)	11	4.3	8	11	7.5	7	M5X0.8	7.5	5
16	27(32)	22(27)	3.5	23.5(28.5)	18.5(23.5)	21	31.5	17	8	M4X0.7	8	6	4.3	6	9(14)	4(9)	12.5	4.3	11.5	12.5	7.5	7	M5X0.8	8	5.5
20	29(34)	24(29)	3.5	24.5(29.5)	19.5(24.5)	25	38.5	21	10	M5X0.8	7	8	5.5	7	10.5(15.5)	5.5(10.5)	15.5	5.5	13.5	15.5	9	9	M5X0.8	9	5.5

Cylinder Diameter/Symbol	A		AB	AC		B	C	CA	D	E	EA	H	L	LB	LC	M	MA	P	PA	PB
Cylinder Diameter/Symbol	With Magnet	Without Magnet	AB	With Magnet	Without Magnet	B	C	CA	D	E	EA	H	L	LB	LC	M	MA	P	PA	PB
12	25.5(30.5)	20.5(25.5)	3.5	22(27)	17(22)	17	28.5	15.5	6	M3X0.5	6	5	4.3	8	11	7.5	4.5	M5X0.8	7.5	5
16	27(32)	22(27)	3.5	23.5(28.5)	18.5(23.5)	21	31.5	17	8	M4X0.7	8	6	4.3	11.5	12.5	7.5	4.5	M5X0.8	8	5.5
20	29(34)	24(29)	3.5	24.5(29.5)	19.5(24.5)	25	38.5	21	10	M5X0.8	7	8	5.5	13.5	15.5	9	5.5	M5X0.8	9	5.5