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5-Port Solenoid Valve, Plug-In Cassette Type, SQ2000 Series Valve (SQ2531N-51-C8-Q)

5-Port Solenoid Valve, Plug-In Cassette Type, SQ2000 Series Valve SQ2531N-51-C8-Q

SMC

SMC

SMC Solenoid Valve.
[Features]
· Clip type one-touch fittings for easy replacement of fittings
· The connector entry direction can be changed with a single push
· 4 position, dual 3-port valve
· Built-in back pressure check valve

(i)Caution

  • Product images may be representative. Refer to the manufacturer's catalog for details.

PDF

Part Number

Configured Part Number is shown.

SQ2531N-51-C8-Q

Plug-In Unit SQ2000 Series Specifications

Plug-in unit SQ2000 Series external appearance

Plug-in unit SQ2000 Series external appearance

The single-action fittings can be replaced without removing the valve

The single-action fittings can be replaced without removing the valve

The connector entry direction can be changed with a single push

The connector entry direction can be changed with a single push

Valve SpecificationsValve ConstructionMetal SealRubber Seal
FluidAir
Maximum Operating Pressure0.7 MPa
Minimum Operating PressureSingle0.1 MPa0.15 MPa
Double (double solenoid)0.1 MPa0.1 MPa
3 position0.1 MPa0.2 MPa
4 Position Type-0.15 MPa
Ambient Temperature and Operating Fluid Temperature-10 to 50°C *1
LubricationNot required
Pilot Valve – Manual OperationPush type (tool required), locking type (tool required), sliding-lock type (manually operated)
Vibration-Resistance / Impact-Resistance *230/150 m/s2
EnclosureDust-proof
Solenoid SpecificationsCoil Rated Voltage12, 24 V DC
Allowable Voltage Fluctuation±10% of rated voltage
Coil Insulation TypeClass B or equivalent
Power Consumption
(Current)		24 V DCDC 0.4 W (17 mA), DC 0.95 W (40 mA) *3
12 V DCDC 0.4 W (34 mA), DC 0.95 W (80 mA) *3

*1: Use dry air when operating at low temperatures. No condensation.
*2: Vibration resistance: No malfunctions occurred in a 1-sweep test between 45 and 2,000 Hz. The test was performed in both energized and non-energized states and in the axial direction and at right angles to the main valve and armature. (Initial value)
Impact resistance: No malfunctions after testing using a drop-type impact tester under the following conditions: in the axial direction and at a right angle to the main valve and armature in both energized and non-energized states (once for each condition state).
*3: Values for high-speed response type.

Model

SeriesSwitching MethodSealing MethodModelFlow Rate Characteristics *1Response Time [ms] *2Weight
(g)
1 → 4/2 (P → A/B)4/2 → 5/3 (A/B → R1/R2)Standard
(0.4 W)		High Speed Response
(0.95 W)
C (dm3/ [s·bar])bCvC (dm3/ [s·bar])bCv
SQ20002 PositionSingleMetal SealSQ21302.20.170.512.40.140.5735 or less20 or less145
Rubber SealSQ21312.30.170.513.10.180.7131 or less24 or less140
DoubleMetal SealSQ2230D2.20.170.512.40.140.5720 or less15 or less160
Rubber SealSQ2231D2.30.170.513.10.180.7126 or less20 or less155
3 PositionClosed
Center		Metal SealSQ23301.90.170.462.10.150.4756 or less37 or less180
Rubber SealSQ23311.90.170.461.80.290.4744 or less34 or less175
Exhaust
Center		Metal SealSQ24301.90.170.462.40.140.5556 or less37 or less180
Rubber SealSQ24311.90.170.463.10.140.6544 or less34 or less175
Pressure
Center		Metal SealSQ25302.30.170.512.10.180.4756 or less37 or less180
Rubber SealSQ25312.50.170.561.80.300.4744 or less34 or less175
4 PositionDual
3-Port Valve		Rubber SealSQ2A31 SQ2B31 SQ2C311.50.170.401.50.170.4034 or less19 or less155

*1: Values for the top ported cylinder connection port diameter C8, CYL. → EXH. The side ported type is approximately 10% smaller.
*2: Based on JIS B 8419:2010. (Value at supply pressure of 0.5 MPa and with light and surge voltage suppressor. The values may change depending on the pressure and air quality.)

Product JIS Symbol

JIS symbol for 2 position single

JIS symbol for 2 position single

JIS symbol for 3 position closed center

JIS symbol for 3 position closed center

JIS symbol for 4 position dual 3 port valve (B)

JIS symbol for 4 position dual 3 port valve (B)

With/Without Manifold Block

Without manifold block external appearance

Without manifold block external appearance

  • When ordering together with manifolds
  • When only valve is required
With manifold (built-in back pressure check valve) external appearance

With manifold (built-in back pressure check valve) external appearance

  • When adding stations

*Lead wire not included.

Cylinder Port Connection Port Diameter

Side ported external appearance

Side ported external appearance

Top ported external appearance

Top ported external appearance

*Can be changed to side ported.

  • ø4‑mm (pipe connection port diameter) single-action fitting
  • ø6 (pipe connection port diameter 6 mm) single-action fitting
  • ø8 (pipe connection port diameter 8 mm) single-action fitting

Precautions

  • *When energizing valves for a long period of time, heat generated by the coil will cause the temperature to rise, decreasing valve performance, decreasing the lifespan and adversely affecting nearby peripheral equipment.
  • *When energizing a valve continuously, be sure to use the standard type (0.4 W) at an ambient temperature of 40°C or less and pay attention to discharging heat.
  • *Temperature increases are particularly high when simultaneously energizing 3 or more neighboring stations for a long-period continuously or when simultaneously energizing the A side and B side of a dual 3-port valve for an extended period.
  • Be sure to read the individual product cautions before use.
  • See the SMC catalog for product information other than that detailed above.
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Part Number
SQ2531N-51-C8-Q
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipApplication Number of Ports Mounting Orientation Specifications Number of Solenoids Switching Type Status at Power Off Voltage CV Value Connecting Tube Diameter Seal Type Pressure Rating
(MPa) 		Pilot Air Supply Manual Switch Manual CE compliant Piping specifications Functions Back-pressure check valve Common specifications Port plug mounting port With/Without Manifold Block

MYR 676.72

1 Piece(s) 21 Day(s) Unit for Manifold Mounting5-Port ValveManifold BaseLubrication FreeDouble3-Position Pressure CenterSelf-Recovery (Spring Return)DC24V0.56Ø8Soft Seal0.2 to 0.7InternalNon-LockingNon-locking, push type (tool required)YesSide portedNegative commonNone-None-

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Basic Information

Type Solenoid Valves Pipe Port Type One-Touch Plumbing Applicable Cylinder Dia.(Ø) 40 or less
Plumbing Direct Plumbing Driving Type Pilot Type Spool

Please check the type/dimensions/specifications of the part SQ2531N-51-C8-Q in the 5-Port Solenoid Valve, Plug-In Cassette Type, SQ2000 Series Valve series.

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Specification/Dimensions

  • Common specifications

    • Negative common
    • Positive common

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  • With/Without Manifold Block

    • Without manifold block

    Clear

  • type

    • SQ2000

    Clear

  • Application

    • Single Use
    • Unit for Manifold Mounting

    Clear

  • Number of Ports

    • 5-Port Valve
    • Dual 3-Port Valve

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  • Mounting Orientation

    • Direct
    • Manifold Base

    Clear

  • Specifications

    • Standard
    • Lubrication Free

    Clear

  • Number of Solenoids

    • Single
      • Single
    • Double

    Clear

  • Switching Type

    • 2-Position Exhaust
    • 3-Position Closed Center
    • 3-Position Exhaust Center
    • 3-Position Pressure Center
    • Others
      • 4 positions (N.C. + N.C.)
      • 4 positions (N.C. + N.O.)
      • 4 positions (N.O. + N.O.)

    Clear

  • Status at Power Off

    • Self-Retaining
    • Self-Recovery (Spring Return)

    Clear

  • Voltage

    • DC12V
    • DC24V

    Clear

  • CV Value

    • 0.4
    • 0.46
    • 0.51
    • 0.56

    Clear

  • Connecting Tube Diameter

    • Ø4
    • Ø6
    • Ø8

    Clear

  • Seal Type

    • Standard
    • Soft Seal

    Clear

  • Pressure Rating(MPa)

    • 0.15 to 0.7
    • 0.1 to 0.7
    • 0.2 to 0.7

    Clear

  • Pilot Air Supply

    • Internal
    • External

    Clear

  • Manual Switch

    • Non-Locking
    • Lock

    Clear

  • Manual

    • Locking type (tool required)
    • Non-locking, push type (tool required)
    • Sliding-lock type (manually operated)
    • Sliding locking type (hand-operated)

    Clear

  • CE compliant

    • CE compliant product
    • Non-compliant
    • None
    • Yes

    Clear

  • Piping specifications

    • Side ported
    • Top ported

    Clear

  • Functions

    • Standard type (0.4 W)
    • High speed response type (0.95 W)
    • High speed response type (0.95 W), external pilot specification
    • High speed response type (0.95 W), negative common
    • High speed response type (0.95 W), 2-position double (double-solenoid specification)
    • High speed response type (0.95 W), 2-position double (double-solenoid specification), negative common
    • 2-position double (double-solenoid specification), external pilot specification
    • 2-position double (double-solenoid specification), negative common, external pilot
    • 2-position double (double solenoid), negative common
    • 2 position double (double solenoid specification)
    • External pilot specification
    • Negative common
    • Negative common, external pilot

    Clear

  • Back-pressure check valve

    • Built-in type
    • None

    Clear

  • Port plug mounting port

    • 2(B) Port
    • 4 (A) ports
    • None

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 21 Day(s) or Less

    Clear

Specify Alterations

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1 Piece(s) Quote Unit for Manifold Mounting5-Port ValveManifold BaseLubrication FreeDouble3-Position Pressure CenterSelf-Recovery (Spring Return)DC24V0.56Ø6Soft Seal0.2 to 0.7InternalLockLocking type (tool required)NoneSide portedNegative commonNone-None-

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1 Piece(s) Quote Unit for Manifold Mounting5-Port ValveManifold BaseLubrication FreeDouble3-Position Pressure CenterSelf-Recovery (Spring Return)DC24V0.56Ø6Soft Seal0.2 to 0.7InternalLockLocking type (tool required)YesSide portedNegative commonNone-None-

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