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Clean Air Module (Standard / High Flow Type), LLB Series (LLB4-1-P1F)

Clean Air Module (Standard / High Flow Type), LLB Series LLB4-1-P1F

Modularized (reduces piping labor hours / saves space) to allow clean air to be obtained easily.
[Features]
· Filtration: 0.01 μm (filtration efficiency 99.99%).
· Fluid contact space: Grease-free, silicone-free.
· Available in 24 variations of combinations.
· Built-in single-action fittings.
· Can be fitted with pressure gauge / pressure switch (separate purchase).
· RoHS compliant.

(i)Caution

  • ■ SMC Air Cylinder Product Selection and Technical Information
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    Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.
    Click here for a quotation or to make an order if you have a model number.

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  • See catalog for specification details.
  • Product images may be representative images. Refer to the catalog for details.

PDF

Part Number

Configured Part Number is shown.

LLB4-1-P1F

Clean Air Module, LLB Series Specifications

LLB3 external appearance

LLB3 external appearance

LLB4 external appearance

LLB4 external appearance

Clean Air Module Common Specifications

ModelLLB3LLB4
Applicable FluidClean Air, N2gas (Inlet air conditions equivalent to ISO 8573-1 and quality class 1.4.1 to 1.6.1)*3
Maximum Operating Pressure0.7 MPa
Set Pressure0.05 to 0.4 MPa
Withstand Pressure1.0 MPa
Working Fluid Temperature5℃ to 45°C (no freezing)
*Guaranteed range of digital flow switch: 15 to 35°C.
Ambient Temperature
Flow Rate Range*15 to 100 L/min (ANR)50 to 500 L/min (ANR)
Filtration*20.01 μm (filtration efficiency 99.99%)
Fluid Contact Space-Grease-free, silicone-free
MaterialBodyPBT
Module Connection PackingFKM
Single-Action Fitting PackingEPDM

*1: The maximum flow rate varies depending on set pressure. Refer to "Flow Rate Characteristics" graph for details.
*2: Measured under manufacturer's specified conditions.
*3: Refer to Operating Environment (catalog p. 344).

Digital Flow Switch Unit Specifications

ModelLLB3LLB4
Detection TypeHeat type
Measured Flow Rate Range5 to 100 L/min50 to 500 L/min
Minimum Unit Setting1 L/min5 L/min
Accumulated Pulse Flow Rate Exchange Value (Pulse Width: 50 [ms])1 L/pulse5 L/pulse
Accumulated Flow Rate Range0 to 999,999 L
Linearity±5% F.S. or less (15 to 35°C, 25°C reference)
Repeatability±2% F.S. or less
Temperature Characteristics±5% F.S. or less (15 to 35°C, 25°C reference)
SpecificationsSwitch Output-NPN or PNP open collector output
Maximum Load Current80 mA
Maximum Applied Voltage30 V DC (at NPN output)
Internal Voltage DropNPN output: 1 V or less (at 80 mA) PNP output: 1.5 V or less (at 80 mA)
Analog OutputVoltage OutputOutput voltage 1 to 5 V
Allowable load resistance 100 kΩ or more
Current OutputOutput current 4 to 20 mA
Allowable load resistance 300Ω or less (12 V DC), 600Ω or less (24 V DC)
Status LEDsWhen turned ON, OUT1: Green, OUT2: Red (where output is analog, OUT1 only)
Response Time1S or less
Power Supply Voltage12 to 24 V DC (Ripple ±10% or less)
Current Consumption160 mA or less170 mA or less
Withstand Voltage1,000 V AC, for 1 minute between external terminal and case
Insulation Resistance50 MΩ or more (500 V DC measured with megohmmeter) between external terminal and case
Noise Resistance1,000 V p-p, pulse width 1 μs, rise time 1 ns
Lead WireLead wire with connector
EnclosureIP65
Fluid Contact Space MaterialMeshSUS
Sensor HousingPBT
SensorLead glass (RoHS-exempt material)
Ptlr
FeNl

ON/OFF Valve Unit Specifications

ModelLLB3LLB4
Pilot Pressure (ON/OFF Valve Operating Pressure)0.4 to 0.5 MPa
Back Pressure0.4 MPa or less
Valve TypeN.C.
Orifice Diameter4 mm8 mm
Cv Factor0.351.7
Fluid Contact Space MaterialDiaphragmPTFE
Valve Leakage1 cm3/min (ANR) or less

Filter Unit Specifications

ModelLLB3LLB4
Filtration*10.01 μm (filtration efficiency 99.99%)
Element Proof Differential Pressure*20.5 MPa
Processing Flow RateUp to 100 L/min (ANR)Up to 500 L/min (ANR)
Fluid Contact Space MaterialFilter CasePC
Hollow FiberPP
PottingPU

*1: Measured under manufacturer's specified conditions.
*2: This means that the element will not break at 0.5 MPa. Refer to installation precautions prior to use.

Pressure Reducing Valve Unit Specifications

  • Relief mechanism: LLB3, LLB4 / Non-relief
  • Fluid contact space material (Diaphragm): LLB3, LLB4 / FKM

Throttle Valve Unit Specifications

  • Cv factor: LLB3 / 0.28, LLB4 / 1.4
  • Number of needle rotations: LLB3 / 8 rotations, LLB4 / 10 rotations
  • Fluid contact space material (needle): LLB3, LLB4 / SUS

Product Outline Dimensional Drawing

 

(Unit: mm)

 

LLB3-1-P□R□V□SF dimensional drawing

LLB3-1-P□R□V□SF dimensional drawing

*Cannot be used. If a pressure gauge, etc. is screwed in, there is risk of damage.

 

(Unit: mm)

 

LLB4-1-P□R□V□SF dimensional drawing

LLB4-1-P□R□V□SF dimensional drawing

*Cannot be used. If a pressure gauge, etc. is screwed in, there is risk of damage.

Component Parts

LLB Series component parts

LLB Series component parts

No.DescriptionNote
1Clean regulator ass’y--
2Pressure outlet port ass’y--
3ON/OFF valve ass’y / Air operated valveWithout flow adjuster-
With flow adjuster-
ON/OFF valve ass’y / Manual operation valve--
4Throttle valve ass’y--
5Digital flow switch ass’y5 to 100 L/minWith L-type connector
With lead wire (3 m)
50 to 500 L/min
6Clean air filter ass’yøWith 10-mm diameter fittingWith single-action fitting
Rc 1/4Threaded type
NPT 1/4
øWith 10-mm diameter pipe fitting, with differential pressure gaugeWith single-action fitting
Rc 1/4, with differential pressure gaugeThreaded type
NPT 1/4, with differential pressure gauge
Replacement element-
7End plate ass’yøWith 10-mm diameter fittingWith single-action fitting
Rc 1/4Threaded type
NPT 1/4
øWith 12-mm diameter fittingWith single-action fitting
Rc 3/8Threaded type
NPT 3/8

*Each module comes with 2 connection fittings.

Product Flow Rate Characteristics

Standard type (100 L/min)

LLB3-1-P1R1VSF flow rate characteristics graph (number of needle rotations)

LLB3-1-P1R1VSF flow rate characteristics graph (number of needle rotations)

LLB3-1-P1R1VSF flow rate characteristics graph (fluid pressure)

LLB3-1-P1R1VSF flow rate characteristics graph (fluid pressure)

High Flow Type (500 L/min)

LLB4-1-P1R1VSF flow rate characteristics graph (number of needle rotations)

LLB4-1-P1R1VSF flow rate characteristics graph (number of needle rotations)

LLB4-1-P1R1VSF flow rate characteristics graph (fluid pressure)

LLB4-1-P1R1VSF flow rate characteristics graph (fluid pressure)

Test Conditions

Product models: LLB3-1-P1R1VSF and LLB4-1-P1R1VSF
Supplied pressure: 0.5 MPa
Pressure setting conditions and measured position: Pressure is set by turning the regulator knob with ON/OFF valve turned off.
Pressure is measured at the pressure outlet port.

Installation diagram based on test conditions

Installation diagram based on test conditions

Precautions

  • *Ensure that you read the specific product precautions prior to use.
  • *See the manufacturer's catalog for product information other than the above.
  • *Product pictures are example representations for the product series. Please be aware that actual product specifications may be different.

Design and Selection

  • *Confirm the specifications: Give due consideration to the operating conditions such as the application, fluid and environment, and use within the operating ranges specified in the manufacturer's catalog.
  • *Ensure sufficient maintenance space: Provide the required space for maintenance inspection.
  • *Fluid pressure range: Supplied fluid pressure must be within the operating pressure range specified in the manufacturer's catalog.

Mounting

  • *If air leakage increases, or equipment does not operate correctly, stop use immediately.
  • *After mounting, perform suitable function and leak testing to confirm that the mounting is correct.
Part Number
LLB4-1-P1F
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipFiltration Level Plumbing Thread Nominal Type Connection Type Treatment Air Flow Rate
(l/min)
Operating Environment Drain Cock Bowl Material Bowl Guard Operating Pressure Range
(MPa)
Connecting Tube Diameter Specifications Digital Flow Switch Pressure Reducing Valve ON/OFF Valve Throttle valve Compatible Models

-

1 Piece(s) Quote 0.01μm-Standard[One-Touch Plumbing] One-Touch Pipe500Clean Room Specifications (Prevent dust)No[Plastic] Nylon CaseNonull~0.7φ12With filterNPN open collector 1 output + Analog (1 to 5 V)NoneNoneNone-

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  1. 1

Basic Information

Compressed Air Quality General Dry Air

Please check the type/dimensions/specifications of the part LLB4-1-P1F in the Clean Air Module (Standard / High Flow Type), LLB Series series.

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LLB4-1-P1R1V1F
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipFiltration Level Plumbing Thread Nominal Type Connection Type Treatment Air Flow Rate
(l/min)
Operating Environment Drain Cock Bowl Material Bowl Guard Operating Pressure Range
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