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Compact Low-Friction Cylinder MQQ Series (MQQTF25-60DM)

Compact Low-Friction Cylinder MQQ Series MQQTF25-60DM

A compact low-friction cylinder suitable for low pressures, low speeds, uniform speeds and low friction actuation.
[Features]
· Covers a range of actuation speeds and output controls thanks to its metal seal structure with minimal sliding resistance.
· Its minimal sliding resistance allows for low-pressure actuation at 0.005 MPa.
· Smooth and uniform-speed actuation ranges as low as 0.3 mm/s.
· Long lifespan: Long service life of 10,000 km or 100 million full cycles.
· Lateral load resistance: Features built-in ball bushings in the bearings for improved lateral load resistance. (MQQL)
· Its low sliding resistance allows output control in approximately 0.05‑N increments. (Based on cylinder piston area × pressure accuracy)
· No change to sliding resistance, even after extended periods of non-use.

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Part Number

Configured Part Number is shown.

MQQTF25-60DM

Compact Low-Friction Cylinder MQQ Series Specifications

Compact Low-Friction Cylinder MQQ Series external appearance

Compact Low-Friction Cylinder MQQ Series external appearance

Symbol: Double acting, single rod

Symbol: Double acting, single rod

Specifications

Standard Type: MQQT

Tube Inner Diameter (mm)101620253040
Seal ConstructionMetal seal
ActionDouble acting, single rod
FluidAir
Proof Pressure1.05 MPa
Maximum operating pressure0.5 MPa
Minimum operating pressure0.005 MPa
Ambient and Fluid Temperature-10 to 80°C
CushioningRubber bumper (equipped as standard)
LubricationNot required (non-lubricated)
Rod-end threadFemale thread
Stroke Length Tolerance+1.0
0
Piston Speed0.3 to 300 mm/s
Total Leakage RateSupply Pressure 0.1 MPa150 cm3/min200 cm3/min300 cm3/min400 cm3/min
Supply pressure 0.3 MPa800 cm3/min1,000 cm3/min1,200 cm3/min1,600 cm3/min
Supply pressure 0.5 MPa1,500 cm3/min2,000 cm3/min3,000 cm3/min4,000 cm3/min

Lateral-Load-Resistant Type: MQQL

Tube Inner Diameter (mm)101620253040
Seal ConstructionMetal seal
ActionDouble acting, single rod
FluidAir
Proof Pressure1.05 MPa
Maximum operating pressure0.7 MPa
Minimum Operating Pressure*10.005 MPa
Ambient and Fluid Temperature-10 to 80°C
CushioningRubber bumper (Standard)
Lubrication*2Not required (non-lubricated)
Rod-end threadFemale thread
Stroke Length Tolerance+1.0
0
Operating Piston Speed*30.5 to 300 mm/s
Total Leakage Rate*4Supply Pressure 0.1 MPa150 cm3/min200 cm3/min300 cm3/min400 cm3/min
Supply pressure 0.3 MPa800 cm3/min1,000 cm3/min1,200 cm3/min1,600 cm3/min
Supply pressure 0.5 MPa1,500 cm3/min2,000 cm3/min3,000 cm3/min4,000 cm3/min

*1: Value when horizontal. (Use clean, dry and nonfreezing air) However, as the stroke increases, it will likely be affected by the weight of its moving parts and the pressure will likely increase by approximately 0.003 to 0.005 MPa due to an offset load from the weight of the rod.
*2: See p. 339 in the SMC catalog regarding information on lubrication. This product uses turbine oil as an initial lubricant. Lubricant may seep out of the rod or the piping port.
*3: Control low speed actuation with differential pressure, speed controllers, etc. (Refer to the recommended circuit example on p. 319 of the SMC catalog for details.)
*4: The values are only for reference and are not guaranteed.

Diagram

Standard type / MQQT diagram

Standard type / MQQT diagram

Lateral-load-resistant type / MQQL (built-in ball bushing type) diagram

Lateral-load-resistant type / MQQL (built-in ball bushing type) diagram

Component Parts

NumberPart NameMaterialNotes
1RodCarbon steelHard chrome plated
2PistonSpecial stainless steel-
3LinerSpecial stainless steel-
4SleeveSpecial stainless steel-
5Sleeve RetainerAluminum alloy-
6PlateAluminum alloyHard anodized aluminum
7GuideFluororesin-
8Cylinder TubingAluminum alloyHard anodized aluminum
9Bumper APolyurethane-
10Bumper BPolyurethane-
11BushingAluminum alloy-
12Bottom PlateAluminum alloyHard anodized aluminum
13O-ringNBR-
14Retaining RingCarbon tool steelPhosphate conversion coating
15BoltCarbon tool steelChromate
16Ball Bushing--

Mounting method

a) Mounting type A (when using the mounting plate threads)

a) Mounting type A (when using the mounting plate threads)

*Always use a flat washer for mounting type A.

b) Mounting type B (when using the cylinder tube threads)

b) Mounting type B (when using the cylinder tube threads)

Applicable Mounting Bolt Dimensions Table

ModelMounting Type AMounting Type B
Mounting Bolt SizeC (mm)D: Thread Length (mm)Mounting Bolt SizeE (mm)
Standard Type
MQQT
MQQTB10-□DM3 × 0.5735 + strokeM4 × 0.78 to 11
MQQTB16-□DM5 × 0.8735 + strokeM6 × 113 to 17
MQQTB20-□D8.540 + stroke
MQQTB25-□D945 + stroke
MQQTB30-□D7.550 + stroke
MQQTB40-□DM6 × 1650 + strokeM8 × 1.2516 to 22
Lateral-Load-Resistant Type
MQQL
(Built-In Ball Bushing Type)
MQQLB10-□DM3 × 0.5765 + strokeM4 × 0.78 to 11
MQQLB16-□DM5 × 0.85.570 + strokeM6 × 113 to 17
MQQLB20-□D880 + stroke
MQQLB25-□D6.585 + stroke
MQQLB30-□D7105 + stroke
MQQLB40-□DM6 × 17105 + strokeM8 × 1.2516 to 22

□: stroke

*See the SMC catalog for details of other specifications, structures, dimensional drawings, etc.

Part Number
MQQTF25-60DM
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Operating Pressure
(MPa)
Support bracket Port thread type Rod Tip Shape Type Sealing materials

-

1 Piece(s) Quote 25600.005 to 0.5Rod-end flange typeRcMale threadStandard type-

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Plate Cylinder
Additional Function Standard Environment, Applications Standard / Low Friction (Internal Resistance) / Low Speed Cushion Rubber bumper (Standard)
Tube Material Aluminum alloy / hard anodized aluminum Specification of cylinder Compact low friction cylinder

Please check the type/dimensions/specifications of the part MQQTF25-60DM in the Compact Low-Friction Cylinder MQQ Series series.

Similar Part Numbers

Part Number
MQQLB10-15DM
MQQLB10-20D
MQQLB10-20DM
MQQTF25-75D
MQQTF25-75DM
MQQTF25TN-100D
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Operating Pressure
(MPa)
Support bracket Port thread type Rod Tip Shape Type Sealing materials

-

1 Piece(s) Quote 10150.005 to 0.7Through-hole / both sides tapped common (standard)M ScrewMale threadLateral load resisting type (Built-in ball bushing)Metal seal

SGD 277.43

1 Piece(s) 32 Day(s) 10200.005 to 0.7Through-hole / both sides tapped common (standard)M ScrewFemale thread (standard)Lateral load resisting type (Built-in ball bushing)Metal seal

SGD 304.62

1 Piece(s) 32 Day(s) 10200.005 to 0.7Through-hole / both sides tapped common (standard)M ScrewMale threadLateral load resisting type (Built-in ball bushing)Metal seal

-

1 Piece(s) Quote 25750.005 to 0.5Rod-end flange typeRcFemale thread (standard)Standard type-

-

1 Piece(s) Quote 25750.005 to 0.5Rod-end flange typeRcMale threadStandard type-

-

1 Piece(s) Quote 251000.005 to 0.5Rod-end flange typeNPTFemale thread (standard)Standard type-

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