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Rotary Clamp Cylinder, Standard Type, MK Series (MKB25-30RZ-A93VL)

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On Sale Till 31/03/2025
Volume Discount

SMC

Rotary Clamp Cylinder, Standard Type MK Series with 3 times the allowable moment of inertia.
[Features]
· Auto switches can be mounted on any of the 4 surfaces to suit the installation conditions.
· Designed so that the auto switches do not project out.
· 2-color indicator solid state auto switch.
· Expanded standard stroke range.
· Overall length is shortened.
· Strong magnetic field resistant auto switch can be used.
· 2 types of clamping rotary direction available.

(i)Caution

Refer to the catalog for details on product specifications.
The products shown in the image are representative. CAD data is not supported for some model numbers.

Part Number

Configured Part Number is shown.

MKB25-30RZ-A93VL

Product Specifications
Part Numbers
Catalog

Rotary Clamp Cylinder, Standard Type, MK Series Details

Rotary Clamp Cylinder, Standard Type, MK Series: product images

Rotary Clamp Cylinder, Standard Type, MK Series Specifications

Tube internal diameter (mm)	12	16	20	25	32	40	50	63
Operating method	Double acting type
Rotation angle ^{Note 1)}	90° ±10°
Rotary direction ^{Note 2)}	Left, right
Rotary stroke (mm)	7.5		9.5		15		19
Clamp stroke (mm)	10, 20, 30				10, 20, 30, 50
Theoretical clamping force (N) ^{Note 3)}	40	75	100	185	300	525	825	1,400
Applicable fluids	Air
Proof pressure	1.5 MPa
Operating pressure range	0.1 to 1 MPa							0.1 to 0.6 MPa ^{Note 4)}
Ambient and working fluid temperature	Without auto switch: -10 to 70°C (no freezing) With auto switch: -10 to 60°C (no freezing)
Lubrication	Not required
Piping connection port diameter	M5 × 0.8				Rc 1/8, NPT1/8 G1/8		Rc1/4, NPT1/4 G1/4
Mounting	Through hole / Both ends tapped common, head flange
Cushioning	Rubber cushion
Stroke length tolerance	+0.6 -0.4
Operating piston speed ^{Note 5)}	50 to 200 mm/s
Non-rotating accuracy (clamp part) ^{Note 1)}	±1.4°	±1.2°			±0.9°		±0.7°

*Note 1) Refer to the rotary angle diagram.
*Note 2) Direction of rotation viewed from the rod end when the piston rod is retracted.
*Note 3) Indicates the clamping force at a pressure of 0.5 MPa.
*Note 4) When using within a pressure range from 0.61 to 1 MPa, use the -X2071.
*Note 5) Be sure to connect a speed controller to the cylinder, and adjust the cylinder speed so that it is within the range of 50 to 200 mm/s. Make sure the valve is in the fully closed position and then gradually open the valve to adjust the speed of the speed controller.

Rotary angle diagram

Model Number Notation

Model number example

Individual Made-to-Order Specifications

Indicator symbol	Specifications/contents
-X2071	Maximum operating pressure: 1.0 MPa specification
-X2094	Overall length is the same as for the MK2 Series
-X2172	Head side with spigot
-X2177	Head flange dimensions are equivalent to the dimensions of the pre-existing MK, MK2 Series
-X2997	Rotary angle: 60° specification

Made to order specifications

Indicator symbol	Specifications/contents
-XB6	Heat-resistant cylinder (-10 to 150°C) without auto switch only ^{Note 1)}
-XC22	Seal type: fluororubber ^{Note 2)}

*Note 1) Except ø12 (diameter 12 mm), ø16 (diameter 16 mm).
*Note 2) The damper is a standard product.

Structural Drawings

Rotary Clamp Cylinder, Standard Type, MK Series: structural drawings

Component Parts

Number	Part name	Materials	Additional notes
1	Cylinder tube	Aluminum alloy	Hard anodized aluminum
2	Rod cover	Aluminum alloy	Hard anodized aluminum
3	Piston	Aluminum alloy	-
4	Magnet holder	Aluminum alloy	-
5	Piston rod	Stainless steel	ø12 to 25 (diameter 12 to 25 mm), nitriding treatment
5	Piston rod	Carbon steel	ø32 to 63 (diameter 32 to 63 mm) heat treated, nickel plated
6	Bushing	Copper bearing material	Use only ø32 to 63 (diameter 32 to 63 mm)
7	Stop ring	Stainless steel	Use only ø20 to 32 (diameter 20 to 32 mm)
8	Round type R retaining ring	Carbon tool steel	Use only ø12 (diameter 12 mm), ø16 (diameter 16 mm)
9	Type C retaining ring	Carbon tool steel	Use only ø40 to 63 (diameter 40 to 63 mm)
10	Hex socket head set screw	Chrome molybdenum steel	Sharp end section 90°
11	Guide pin	Stainless steel	Nitriding treatment
12	O-ring	NBR	-
13	Round type R retaining ring	Carbon tool steel	Except ø12 (diameter 12 mm), ø16 (diameter 16 mm)
14	Coil scraper	Phosphor bronze	Except ø12 (diameter 12 mm), ø16 (diameter 16 mm)
15	Scraper presser	Stainless steel	Except ø12 (diameter 12 mm), ø16 (diameter 16 mm)
16	Head cover	Rolled steel	Electroless nickel plating
17	Type C retaining ring	Carbon tool steel	Use only ø20 to 32 (diameter 20 to 32 mm)

Component Parts

Number	Part name	Materials	Additional notes
18	Dampers	Urethane	-
19	Damper B	Urethane	Use only ø12 (diameter 12 mm), ø16 (diameter 16 mm)
20	Magnet	-	-
21	Wear ring	Resin	Except ø12 (diameter 12 mm), ø16 (diameter 16 mm)
22	Rod seal	NBR	-
23	Piston seal	NBR	-
24	Gasket	NBR	-
25	O-ring	NBR	Use only ø20 to 32 (diameter 20 to 32 mm)
26	Arm	Rolled steel	-
27	Hex socket head bolt	Chrome molybdenum steel	-
28	Spring washer	Hard steel	-
29	Clamp bolt	Chrome molybdenum steel	-
30	Hex nut	Rolled steel	-
31	Flange	Rolled steel	Rod side and head side are not interchangeable
32	Hex socket head bolt	Chrome molybdenum steel	Quantity	ø12 (diameter 12 mm), ø16 (diameter 16 mm), ø32 to 40 (diameter 32 to 40 mm): 4 pcs.
32	Hex socket head bolt	Chrome molybdenum steel	Quantity	ø20 (diameter 20 mm), ø25 (diameter 25 mm): 2 pcs.

Replacement Parts / Seal Kit

Tube internal diameter (mm)	ø12 (diameter 12 mm)	ø16 (diameter 16 mm)	ø20 (diameter 20 mm)	ø25 (diameter 25 mm)	ø32 (diameter 32 mm)	ø40 (diameter 40 mm)	ø50 (diameter 50 mm)	ø63 (diameter 63 mm)
Order number	CQSB12-PS	CQSB16-PS	MK20Z-PS	MK25Z-PS	MK32Z-PS	MK2T40-PS	MK2T50-PS	MK63Z-PS
Contents	Set of above numbers (22), (23), (24)		Set of above numbers (14), (22), (23), (24)

*The seal kit is 1 set of the numbers indicated in the table. Order the seal kit based on the order numbers for each tube bore size.
*The seal kit does not include a grease pack, so please order a grease pack separately.　Grease pack part number: GR-S-010 (10 g)

Replacement Parts / Guide Pin Kit

Tube internal diameter (mm)	ø12 (diameter 12 mm)	ø16 (diameter 16 mm)	ø20 (diameter 20 mm)	ø25 (diameter 25 mm)	ø32 (diameter 32 mm)	ø40 (diameter 40 mm)	ø50 (diameter 50 mm)	ø63 (diameter 63 mm)
Order number	MK12Z-GS	MK16Z-GS	MK20Z-GS	MK25Z-GS	MK32Z-GS	MK40Z-GS	MK50Z-GS	MK63Z-GS
Contents	A set of (10), (11), (12) listed above

*The guide pin kit is 1 set of the numbers indicated in the table. Order the seal kit based on the order numbers for each tube bore size.
*Refer to the manufacturer's operating manual for the replacement procedure for the replacement parts and seal and guide pin kits.

Rotary Clamp Cylinder, Standard Type, MK Series Dimensions

(Unit: mm)

Through hole / Both ends tapped common (basic type): dimensional drawing

Model	A	B	C	D	E	F	H	øYh9
MKB12-Z	25	32	15.5	5	M3 × 0.5	5.5	6	11 (-0.043 to 0)
MKB16-Z	29	38	20	7	M5 × 0.8	6.5	8	14 (-0.043 to 0)

Model	Rod state	Clamp stroke
		10 mm		20 mm		30 mm
		Q	R	Q	R	Q	R
MKB12-Z	Retracted	68	45.5	88	55.5	108	65.5
MKB12-Z	Extended	85.5	45.5	115.5	55.5	145.5	65.5
MKB16-Z	Retracted	68	45.5	88	55.5	108	65.5
MKB16-Z	Extended	85.5	45.5	115.5	55.5	145.5	65.5

*Note) The above figure is with the auto switch D-M9□ mounted.

: 30; 45; 60

Part Number
MKB25-30RZ-A93VL

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Cylinder Dia. (Ø)	Stroke (mm)	Support Type	Max. Pressure (MPa)	Rod Tip Shape	Body Options	Clamping Force (kN)	Rotating Direction	Auto Switches	Lead Wire Length (m)	The number of the switches	Port Screw Type	Made to order specifications	Connector type
	-	1 Piece(s)		Quote	25	30	[Through Hole, Both Ends Tapped (Common)] Through Hole/Both Ends Tapped Commonly (Standard)	1	Female Thread	No (Standard)	0.185	Right	A93V	3	2	M thread	None	-

Basic Information

Operation Method	Move Turning	Rotation Angle θ	90°±10°	Rod Motion	Double Acting Piece Rod
Specifications	Built-in magnet	Mounting surface position	Multi-face mounting

Please check the type/dimensions/specifications of the part MKB25-30RZ-A93VL in the Rotary Clamp Cylinder, Standard Type, MK Series series.

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

Connector type
- M8 3-pin
- M8 4-pin
- M12-3/4 pin
- M12-1/4 pin
- M12 4-pin
- None
Clear
type
- MK
- MKB
- MKF
- MKG
Clear
Cylinder Dia.(Ø)
12

16

20

25

32

40

50

63
Clear
Stroke(mm)
10

20

30

50
Clear
Support Type
- Rod Side Flange
- Head side flange
- Through Hole, Both Ends Tapped (Common)
  - Through Hole/Both Ends Tapped Commonly (Standard)
Clear
Max. Pressure(MPa)
0.6

1
Clear
Rod Tip Shape
- Female Thread
- Others
  - Others
Clear
Body Options
- No (Standard)
- With Arm
Clear
Clamping Force(kN)
0.04

0.042

0.075

0.1

0.101

0.185

0.189

0.3

0.302

0.525

0.528

0.825

1.4

1.402
Clear
Rotating Direction
- Right
- Left
Clear
Auto Switches
P3DWA

P3DWASC

P3DWASE

P4DW

P5DW

P5DWB

F7BA

F7BAV

F7BV

F7BWV

F7NV

F7NWV

F7P

F7PV

F7PW

M9B

M9BA

M9BAV

M9BV

M9BW

M9BWV

M9N

M9NA

M9NAV

M9NV

M9NW

M9NWV

M9P

M9PA

M9PAV

M9PV

M9PW

M9PWV

A72

A72H

A73

A73C

A73H

A76H

A79W

F79

F79F

F79W

J79

J79C

J79W

A80

A80C

A80H

A90

A90V

A93

A93V

A96

A96V

Without switch

Without switch (mounting hardware included)
Clear
Lead Wire Length(m)
- 0.3
- 0.5
- 0.5 (SC type)
- 0.5 (SE type)
- 0.5 (M8 3-pin plug connector)
- 0.5 (M8 4-pin plug connector)
- 0.5 (M12 4-pin A-cord [normal-key] plug connector)
- 1
- 1 (M8 3-pin plug connector)
- 1 (M8 4-pin plug connector)
- 1 (M12 4-pin A-cord [normal-key] plug connector)
- 3
- 5
Clear
The number of the switches
1

2
Clear
Port Screw Type
- G
- M thread
- NPT
- Rc
Clear
Made to order specifications
- Heat-resistant cylinder (-10 to 150°C) without auto switch only
- Maximum operating pressure 1.0 MPa specification
- Head flange dimensions are equivalent to the dimensions of the pre-existing MK, MK2 series
- Overall length is the same as for the MK2 Series
- Rotation angle 60° specification
- Fluoroelastomer seal
- Head side with spigot
- None
- With powerful scraper
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

31 Day(s) or Less

32 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Similar Part Numbers

Part Number
MKB12-10LNZ-A93
MKB12-10LNZ-A93L
MKB12-10LNZ-A93LS
MKB25-30RZ-A93VLS
MKB25-30RZ-A93VS
MKB25-30RZ-F7BAL

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Cylinder Dia. (Ø)	Stroke (mm)	Support Type	Max. Pressure (MPa)	Rod Tip Shape	Body Options	Clamping Force (kN)	Rotating Direction	Auto Switches	Lead Wire Length (m)	The number of the switches	Port Screw Type	Made to order specifications	Connector type
SGD 242.32	1 Piece(s)	Available	32 Day(s)	12	10	[Through Hole, Both Ends Tapped (Common)] Through Hole/Both Ends Tapped Commonly (Standard)	1	[Others] Others	With Arm	0.04	Left	A93	0.5	2	M thread	None	-
SGD 257.83	1 Piece(s)	Available	32 Day(s)	12	10	[Through Hole, Both Ends Tapped (Common)] Through Hole/Both Ends Tapped Commonly (Standard)	1	[Others] Others	With Arm	0.04	Left	A93	3	2	M thread	None	-
-	1 Piece(s)		Quote	12	10	[Through Hole, Both Ends Tapped (Common)] Through Hole/Both Ends Tapped Commonly (Standard)	1	[Others] Others	With Arm	0.04	Left	A93	3	1	M thread	None	-
-	1 Piece(s)		Quote	25	30	[Through Hole, Both Ends Tapped (Common)] Through Hole/Both Ends Tapped Commonly (Standard)	1	Female Thread	No (Standard)	0.185	Right	A93V	3	1	M thread	None	-
-	1 Piece(s)		Quote	25	30	[Through Hole, Both Ends Tapped (Common)] Through Hole/Both Ends Tapped Commonly (Standard)	1	Female Thread	No (Standard)	0.185	Right	A93V	0.5	1	M thread	None	-
-	1 Piece(s)		Quote	25	30	[Through Hole, Both Ends Tapped (Common)] Through Hole/Both Ends Tapped Commonly (Standard)	1	Female Thread	No (Standard)	0.185	Right	F7BA	3	2	M thread	None	-

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Rotary Clamp Cylinder, Standard Type, MK Series (MKB25-30RZ-A93VL)

(i)Caution

Rotary Clamp Cylinder, Standard Type, MK Series Details

Rotary Clamp Cylinder, Standard Type, MK Series Specifications

Rotary angle diagram

Model Number Notation

Individual Made-to-Order Specifications

Made to order specifications

Structural Drawings

Component Parts

Component Parts

Replacement Parts / Seal Kit

Replacement Parts / Guide Pin Kit

Rotary Clamp Cylinder, Standard Type, MK Series Dimensions

Basic Information

Configure

Specification/Dimensions

Connector type

type

Cylinder Dia.(Ø)

Stroke(mm)

Support Type

Max. Pressure(MPa)

Rod Tip Shape

Body Options

Clamping Force(kN)

Rotating Direction

Auto Switches

Lead Wire Length(m)

The number of the switches

Port Screw Type

Made to order specifications

CAD

Days to Ship

Specify Alterations

Similar Part Numbers

Tech Support

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