Safety Related Products

SMC Pneumatic Products Applicable for Safety Measures

Emergency Stop

SMC believes that worker safety and increased productivity go hand-in-hand.  It is not mutually exclusive.  You can have both.  Through efficient design, you can reduce risk and increase productivity at the same time.  SMC has developed a variety of safety related components that can be used in a safe pneumatic system.  Some of the components that will help keep your pneumatic system safe include:

  • Valves that comply to safety standard ISO13849-1
  • Drop prevention products
  • Residual pressure exhaust
  • Actuator lurch prevention
  • Unintentional use prevention products
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Products Corresponding to Safety Standard ISO13849-1


ISO13849-1_Valve

VP Series Safety Shut-off & Exhaust Valve

VG Series Safety Shut-off & Exhaust Valve

    Category 2 - With position detection sensor

The position detection sensor detects a mismatch between the input signal and valve operation to exhaust or cut off the air securely.

    Category 3 & 4 - Redundant system

Redundant system can be constructed easily.  As the dual residual pressure release valve is used, if one of the valves fails to operate, the other one releases residual pressure.


Drop Prevention (End Lock Cylinders)


  • End lock cylinders lock at the end of stroke when the air has been discharged.
  • Typically available with lock on the rod side, head side or both.
  • No separate piping is required for end lock type actuators.
CBJ2
CBM2
CBG1

CBA2
CJ2 End Lock CM2 End Lock CG1 End Lock CA2 End Lock
MBB CBQ2 MBGG

MBGP
MB End Lock CQ2 End Lock MGG End Lock MGP End Lock
CBX2 CBXW MGZ_EndLock

MBTS
CXS End Lock CXW End Lock MGZ End Lock MGP End Lock
MXS_EndLock MXQ_EndLock
MY1H-Z_EndLock

MXS End Lock MXQ End Lock MY1H-Z End Lock

 

Drop Prevention (Lock Cylinders)


  • Locking cylinders lock at any desired stroke position.
  • Can be used as an emergency stop or where intermediate stops are necessary.
  • Locking position can be changed in accordance with the external stopper position and thickness of clamped work-piece
CLJ2 CLM2 CLG1

MLGC
CLJ2 Fine Lock Cylinder CLM2 Fine Lock Cylinder CLG1 Fine Lock Cylinder MLGC Fine Lock Cylinder
CNG CNA2 MNB

CNS
CNG Lock Cylinder CNA2 Lock Cylinder MNB Lock Cylinder CNS Lock Cylinder
CLS CL1 CLQ

RLQ
CLS Lock Cylinder CL1 Lock Cylinder CLQ Lock Cylinder RLQ Lock Cylinder
MLU MLGP ML1C


MLU Lock Cylinder MLGP Lock Cylinder ML1C Lock Cylinder

 

Drop Prevention (Speed Controllers w/Pilot Check Valve)


ASP Drop Prevent

Drop Prevention (5 Port Solenoid Valve w/Double Check)


  • Combining the double check block with a 3-position exhaust center solenoid valve will enable the cylinder to stop in the middle of maintain its position for long periods of time.
  • The combination with a 2-position single/double solenoid valve will prevent the dropping at the cylinder stroke end when the SUP residual pressure is released.
Solenoid Valve Double Check

 

Residual Pressure Exhaust (Speed Controllers)


Residual Pressure Release

 

Residual Pressure Exhaust (3-Port Pressure Relief Valve)


VHS

 

Residual Pressure Exhaust (5-Port Solenoid Valve with Residual Pressure Release Option)


SY Residual Pressure Release

Lurch Prevention (Dual Speed Controllers)


ASD Dual Speed Controllers

 

Lurch Prevention (Soft Start Valve)



Extension Prevention System

 

Lurch Prevention (Soft Start Valve)


Soft Start Valve

Unintentional Use Prevention (Two Hand Valve)


VR51 Two Hand Valve

 

Unintentional Use Prevention (Lock Out Valve)


VHS Lock Out Valve

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