• SMC VR4151/VR4152 Relay Valve (5-Port, Single/Double Pilot)
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SMC VR4151/VR4152 Relay Valve (5-Port, Single/Double Pilot)

SMC VR4151/VR4152 Relay Valve (5-Port, Single/Double Pilot)

SMC VR4151/VR4152 5-port air-piloted relay valve used to build pneumatic sequence circuits from mechanical-valve signals, the pneumatic equivalent of an auxiliary electrical relay.

Key features

  • 5-port spool valve, single pilot (VR4151) or double pilot (VR4152)
  • Supplied without sub-plate, or with side-ported (A) or bottom-ported (B) sub-plate
  • Optional output indicator (red/green); plug fitted when no indicator is selected
  • Manual override button standard
  • Wide operating range: 0 to 1.0 MPa, pilot 0.15 to 1.0 MPa
  • Rc1/8 ports standard; NPT1/8 (N01) and G1/8 (F01) available

Specifications

Fluid Air
Operating pressure 0 to 1.0 MPa
Pilot pressure 0.15 to 1.0 MPa
Ambient and fluid temperature -5 to 60°C (no freezing)
Flow rate C [dm³/(s·bar)] P→A/B 1.6, A/B→R 1.5
Port size 1/8
Mass Side ported 350 g, bottom ported 300 g
Lubrication Not required (if lubricated, turbine oil ISO VG32)
Source SMC Korea catalog VR series (SMCKR_VRx.pdf), p. 1483-1484 (PDF p. 1-2)
VR4151-00-0 Pilot: Single pilot | Mounting: Without sub-plate | Port: None (valve only) | Output indicator: Without
VR4151-00-1 Pilot: Single pilot | Mounting: Without sub-plate | Port: None (valve only) | Output indicator: With
VR4151-01A-0 Pilot: Single pilot | Mounting: With sub-plate, side ported | Port: Rc1/8 | Output indicator: Without
VR4151-01A-1 Pilot: Single pilot | Mounting: With sub-plate, side ported | Port: Rc1/8 | Output indicator: With
VR4151-01B-0 Pilot: Single pilot | Mounting: With sub-plate, bottom ported | Port: Rc1/8 | Output indicator: Without
VR4151-01B-1 Pilot: Single pilot | Mounting: With sub-plate, bottom ported | Port: Rc1/8 | Output indicator: With
VR4152-00-0 Pilot: Double pilot | Mounting: Without sub-plate | Port: None (valve only) | Output indicator: Without
VR4152-00-1 Pilot: Double pilot | Mounting: Without sub-plate | Port: None (valve only) | Output indicator: With
VR4152-01A-0 Pilot: Double pilot | Mounting: With sub-plate, side ported | Port: Rc1/8 | Output indicator: Without
VR4152-01A-1 Pilot: Double pilot | Mounting: With sub-plate, side ported | Port: Rc1/8 | Output indicator: With
VR4152-01B-0 Pilot: Double pilot | Mounting: With sub-plate, bottom ported | Port: Rc1/8 | Output indicator: Without
VR4152-01B-1 Pilot: Double pilot | Mounting: With sub-plate, bottom ported | Port: Rc1/8 | Output indicator: With
Mechanical ValvesSMC
12 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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SMC VR4151/VR4152 Relay Valve (5-Port, Single/Double Pilot)

Brand SMC·Mechanical Valves

Available part numbers (12)

VR4151-00-0, VR4151-00-1, VR4151-01A-0, VR4151-01A-1, VR4151-01B-0, VR4151-01B-1, VR4152-00-0, VR4152-00-1, VR4152-01A-0, VR4152-01A-1 + 2 more — see full table ↓

How to order

Send the SMC part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
VR4151-00-0Pilot: Single pilot | Mounting: Without sub-plate | Port: None (valve only) | Output indicator: Without
VR4151-00-1Pilot: Single pilot | Mounting: Without sub-plate | Port: None (valve only) | Output indicator: With
VR4151-01A-0Pilot: Single pilot | Mounting: With sub-plate, side ported | Port: Rc1/8 | Output indicator: Without
VR4151-01A-1Pilot: Single pilot | Mounting: With sub-plate, side ported | Port: Rc1/8 | Output indicator: With
VR4151-01B-0Pilot: Single pilot | Mounting: With sub-plate, bottom ported | Port: Rc1/8 | Output indicator: Without
VR4151-01B-1Pilot: Single pilot | Mounting: With sub-plate, bottom ported | Port: Rc1/8 | Output indicator: With
VR4152-00-0Pilot: Double pilot | Mounting: Without sub-plate | Port: None (valve only) | Output indicator: Without
VR4152-00-1Pilot: Double pilot | Mounting: Without sub-plate | Port: None (valve only) | Output indicator: With
VR4152-01A-0Pilot: Double pilot | Mounting: With sub-plate, side ported | Port: Rc1/8 | Output indicator: Without
VR4152-01A-1Pilot: Double pilot | Mounting: With sub-plate, side ported | Port: Rc1/8 | Output indicator: With
VR4152-01B-0Pilot: Double pilot | Mounting: With sub-plate, bottom ported | Port: Rc1/8 | Output indicator: Without
VR4152-01B-1Pilot: Double pilot | Mounting: With sub-plate, bottom ported | Port: Rc1/8 | Output indicator: With

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