• SMC IL201/IL211/IL220 Lock-up Valve (Rc1/4)
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SMC IL201/IL211/IL220 Lock-up Valve (Rc1/4)

SMC IL201/IL211/IL220 Lock-up Valve (Rc1/4)

SMC IL201/211/220 lock-up valves that hold the actuator position (single/double acting) or switch the supply port (3-way) when supply air pressure fails in pneumatic process control.

Key features

  • IL201 single acting and IL211 double acting: lock the actuator position until supply air recovers
  • IL220 3-way type: switches from IN1 to IN2 on supply abnormality
  • Set pressure adjustable 0.14 to 0.7 MPa by setting screw; lock/unlock differential 0.01 MPa
  • Rc1/4 standard, NPT (N) and G (F) semi-standard; bracket (B) as accessory
  • Maintenance kits KT-IL201, KT-IL211, KT-IL220

Specifications

Signal pressure Max. 1.0 MPa
Set pressure range 0.14 to 0.7 MPa
Shut-off circuit pressure Max. 0.7 MPa
Ambient and fluid temperature -5 to 60°C (standard)
Port size Rc1/4
Pressure differential 0.01 MPa
Mass 0.45 kg (IL201), 0.64 kg (IL211), 0.7 kg (IL220)
Source SMC Korea catalog IL201_211_220 (SMCKR_IL201_211_220.pdf), p. 56-58 (PDF p. 1-3)
IL201-02 Model: IL201 | Action: Single acting | Version: Standard
IL201-02-T Model: IL201 | Action: Single acting | Version: High temp. (-5 to 100°C)
IL201-02-L Model: IL201 | Action: Single acting | Version: Low temp. (-30 to 60°C)
IL201-02-S Model: IL201 | Action: Single acting | Version: Non-freezing exterior
IL201-02-ST Model: IL201 | Action: Single acting | Version: Non-freezing exterior, high temp.
IL201-02-SL Model: IL201 | Action: Single acting | Version: Non-freezing exterior, low temp.
IL211-02 Model: IL211 | Action: Double acting | Version: Standard
IL211-02-T Model: IL211 | Action: Double acting | Version: High temp. (-5 to 100°C)
IL211-02-L Model: IL211 | Action: Double acting | Version: Low temp. (-30 to 60°C)
IL211-02-S Model: IL211 | Action: Double acting | Version: Non-freezing exterior
IL211-02-ST Model: IL211 | Action: Double acting | Version: Non-freezing exterior, high temp.
IL211-02-SL Model: IL211 | Action: Double acting | Version: Non-freezing exterior, low temp.
IL220-02 Model: IL220 | Action: 3-way (switching) | Version: Standard
IL220-02-T Model: IL220 | Action: 3-way (switching) | Version: High temp. (-5 to 100°C)
IL220-02-L Model: IL220 | Action: 3-way (switching) | Version: Low temp. (-30 to 60°C)
IL220-02-S Model: IL220 | Action: 3-way (switching) | Version: Non-freezing exterior
IL220-02-ST Model: IL220 | Action: 3-way (switching) | Version: Non-freezing exterior, high temp.
IL220-02-SL Model: IL220 | Action: 3-way (switching) | Version: Non-freezing exterior, low temp.
Instrumentation RelaysSMC
18 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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SMC IL201/IL211/IL220 Lock-up Valve (Rc1/4)

Brand SMC·Instrumentation Relays

Available part numbers (18)

IL201-02, IL201-02-T, IL201-02-L, IL201-02-S, IL201-02-ST, IL201-02-SL, IL211-02, IL211-02-T, IL211-02-L, IL211-02-S + 8 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
IL201-02Model: IL201 | Action: Single acting | Version: Standard
IL201-02-TModel: IL201 | Action: Single acting | Version: High temp. (-5 to 100°C)
IL201-02-LModel: IL201 | Action: Single acting | Version: Low temp. (-30 to 60°C)
IL201-02-SModel: IL201 | Action: Single acting | Version: Non-freezing exterior
IL201-02-STModel: IL201 | Action: Single acting | Version: Non-freezing exterior, high temp.
IL201-02-SLModel: IL201 | Action: Single acting | Version: Non-freezing exterior, low temp.
IL211-02Model: IL211 | Action: Double acting | Version: Standard
IL211-02-TModel: IL211 | Action: Double acting | Version: High temp. (-5 to 100°C)
IL211-02-LModel: IL211 | Action: Double acting | Version: Low temp. (-30 to 60°C)
IL211-02-SModel: IL211 | Action: Double acting | Version: Non-freezing exterior
IL211-02-STModel: IL211 | Action: Double acting | Version: Non-freezing exterior, high temp.
IL211-02-SLModel: IL211 | Action: Double acting | Version: Non-freezing exterior, low temp.
IL220-02Model: IL220 | Action: 3-way (switching) | Version: Standard
IL220-02-TModel: IL220 | Action: 3-way (switching) | Version: High temp. (-5 to 100°C)
IL220-02-LModel: IL220 | Action: 3-way (switching) | Version: Low temp. (-30 to 60°C)
IL220-02-SModel: IL220 | Action: 3-way (switching) | Version: Non-freezing exterior
IL220-02-STModel: IL220 | Action: 3-way (switching) | Version: Non-freezing exterior, high temp.
IL220-02-SLModel: IL220 | Action: 3-way (switching) | Version: Non-freezing exterior, low temp.

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