CDQSB Series Compact Cylinder

Name: CDQSB Series Compact Cylinder
Brand: BETRE
SKU: CDQSB

Specifications And Dimensions

The tables and drawings below are reproduced from the Betre product catalogue for this model.

Compact Cylinder Cdqsb Series

Specification

Bore size (mm)		12	16	20	25
Action		Double acting, Single rod
Fluid		Air
Lubrication		Not required (Non-lube)
Proof pressure		1.5 MPa
Maximum operating pressure		1.0 MPa
Minimum operating pressure		0.07 Mpa		0.05 MPa
Ambient and fluid temperature		Without auto switch:–10 to 70°C(No freezing) With auto switch:–10 to 60°C (No freezing)

Cushion		None, Rubber bumper ∗
Rod end thread		Female thread
Stroke length tolerance		Standard stroke:+1.0/0; Long stroke:+1.4*/0
Piston speed		50 to 500 mm/s
Allowable kinetic energy (J)	Standard type	0.022	0.038	0.055	0.09
	With rubber bumper	0.043	0.075	0.11	0.18

∗ Stroke length tolerance does not include the deflection of the bumper. ∗ Only rubber bumper is available for the long stroke type.

Ordering Information

Dimensions

Bore size (mm)	Standard stroke range (mm)	Standard stroke								Long stroke range(mm)	Long stroke				C	D	E	H	I	K	M	N	OA	OB	Q	RA	RB	T
		Without auto switch				Without auto switch					With/Without auto switch
		A	B	F	L	A	B	F	L		A	B	F	L
12	5 to 30	20.5	17	5	3.5	25.5	22	5	3.5	35 to 200	45.5	32	7.5	13.5	6	6	25	M3x0.5	32	5	15.5	3.5	M4x0.7	6.5	7.5	7	4	0.5
16	5 to 30	20.5	17	5	3.5	25.5	22	5	3.5	35 to 200	45.5	32	7.5	13.5	8	8	29	M4x0.7	38	6	20	3.5	M4x0.7	6.5	7.5	7	4	0.5
20	5 to 50	24	19.5	5.5	4.5	34	29.5	5.5	4.5	75 to 200	55.5	41	8	14.5	7	10	36	M5x0.8	47	8	25.5	5.4	M6x1.0	9	8	10	7	1
25	5 to 50	27.5	22.5	5.5	5	37.5	32.5	5.5	5	75 to 300	59	44	9	15	12	12	40	M6x1.0	52	10	28	5.4	M6x1.0	9	9	10	7	1

Note 1) For the following bore/stroke sizes through-hole is threaded over the entire length: Basic style ø12 and ø16; 5 stroke, ø20; 5 to 15 stroke, ø25; 5 to 10 stroke, ø20 with auto switch built-in magnet; 5 stroke.
Note 2) Rubber bumper type has the same dimensions as those indicated above.

Specification

Bore size (mm)	12	16	20	25
Action	Single acting, Single rod
Fluid	Air
Lubrication	Not required (Non-lube)
Proof pressure	1.5 MPa
Max. operating pressure	1.0 MPa
Min. operating pressure	0.25 Mpa		0.18 MPa
Ambient and fluid temperature	Without auto switch: –10 to 70°C (No freezing) With auto switch: –10 to 60°C (No freezing)

Cushion	None
Rod end thread	Female thread
Stroke length tolerance	+1.0 mm/0
Piston speed	50 to 500 mm/s
Allowable kinetic energy (J)	0.022	0.038	0.055	0.09

Ordering Information

Dimensions

Bore size (mm)	Stroke range (mm)	Without auto switch				With auto switch				C	D	E	F	H	I	K	L	M	N	OA	OB	RA	RB	T
		A		B		A		B
		5ST	10ST	5ST	10ST	5ST	10ST	5ST	10ST
12	5, 10	25.5	30.5	22	27	30.5	35.5	27	32	6	6	25	5	M3x0.5	32	5	3.5	15.5	3.5	M4x0.7	6.5	7	4	0.5
16		25.5	30.5	22	27	30.5	35.5	27	32	8	8	29	5	M4x0.7	38	6	3.5	20	3.5	M4x0.7	6.5	7	4	0.5
20		29	34	24.5	29.5	39	44	34.5	39.5	7	10	36	5.5	M5x0.8	47	8	4.5	25.5	5.4	M6x1.0	9	10	7	1
25		32.5	37.5	27.5	32.5	42.5	47.5	37.5	42.5	12	12	40	5.5	M6x1.0	52	10	5	28	5.4	M6x1.0	9	10	7	1

Note) For basic style ø12 and ø16 with 5 stroke, through-hole is threaded over the entire length. For basic style ø20, ø25 with 5 and 10 stroke, through-hole is threaded over the entire length. With auto switch (Built-in magnet)/ø20; 5 stroke. Dimension drawing

Bore size (mm)	Stroke range (mm)	Without auto switch				With auto switch				C	D	E	H	I	K	L		M	N	OA	OB	RA	RA	RB	T
		A		B		A		B								L
		5ST	10ST	5ST	10ST	5ST	10ST	5ST	10ST							5ST	10ST
12	5, 10	30.5	40.5	22	27	35.5	45.5	27	32	6	6	25	M3x0.5	32	5	8.5	13.5	15.5	3.5	M4x0.7	6.5	7.5	7	4	0.5
16		30.5	40.5	22	27	35.5	45.5	27	32	8	8	29	M4x0.7	38	6	8.5	13.5	20	3.5	M4x0.7	6.5	7.5	7	4	0.5
20		34	44	24.5	29.5	44	54	34.5	39.5	7	10	36	M5x0.8	47	8	9.5	14.5	25.5	5.4	M6x1.0	9	8	10	7	1
25		37.5	47.5	27.5	32.5	47.5	57.5	37.5	42.5	12	12	40	M6x1.0	52	10	10	15	28	5.4	M6x1.0	9	9	10	7	1