Bộ lọc khí SMC Air Filter LLB Series LLB3 LLB4 LVB2 LVB3 LVB4

Bộ lọc khí SMC Air Filter LLB Series LLB3 LLB4 LVB2 LVB3 LVB4

Clean Air Module, LLB Series Specifications – Bộ lọc khí SMC

[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.

Clean Air Module Common Specifications

Model			LLB3	LLB4
Applicable Fluid			Clean Air, N2gas (Inlet air conditions equivalent to ISO 8573-1 and quality class 1.4.1 to 1.6.1)*3
Maximum Operating Pressure			0.7 MPa
Set Pressure			0.05 to 0.4 MPa
Withstand Pressure			1.0 MPa
Working Fluid Temperature			5℃ to 45°C (no freezing) *Guaranteed range of digital flow switch: 15 to 35°C.
Ambient Temperature
Flow Rate Range*1			5 to 100 L/min (ANR)	50 to 500 L/min (ANR)
Filtration*2			0.01 μm (filtration efficiency 99.99%)
Fluid Contact Space	–		Grease-free, silicone-free
	Material	Body	PBT
		Module Connection Packing	FKM
		Single-Action Fitting Packing	EPDM

*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

Model			LLB3	LLB4
Detection Type			Heat type
Measured Flow Rate Range			5 to 100 L/min	50 to 500 L/min
Minimum Unit Setting			1 L/min	5 L/min
Accumulated Pulse Flow Rate Exchange Value (Pulse Width: 50 [ms])			1 L/pulse	5 L/pulse
Accumulated Flow Rate Range			0 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)
Specifications	Switch Output	–	NPN or PNP open collector output
		Maximum Load Current	80 mA
		Maximum Applied Voltage	30 V DC (at NPN output)
		Internal Voltage Drop	NPN output: 1 V or less (at 80 mA) PNP output: 1.5 V or less (at 80 mA)
	Analog Output	Voltage Output	Output voltage 1 to 5 V
			Allowable load resistance 100 kΩ or more
		Current Output	Output current 4 to 20 mA
			Allowable load resistance 300Ω or less (12 V DC), 600Ω or less (24 V DC)
Status LEDs			When turned ON, OUT1: Green, OUT2: Red (where output is analog, OUT1 only)
Response Time			1S or less
Power Supply Voltage			12 to 24 V DC (Ripple ±10% or less)
Current Consumption			160 mA or less	170 mA or less
Withstand Voltage			1,000 V AC, for 1 minute between external terminal and case
Insulation Resistance			50 MΩ or more (500 V DC measured with megohmmeter) between external terminal and case
Noise Resistance			1,000 V p-p, pulse width 1 μs, rise time 1 ns
Lead Wire			Lead wire with connector
Enclosure			IP65
Fluid Contact Space Material	Mesh		SUS
	Sensor Housing		PBT
	Sensor		Lead glass (RoHS-exempt material)
			Ptlr
			FeNl

ON/OFF Valve Unit Specifications

Model		LLB3	LLB4
Pilot Pressure (ON/OFF Valve Operating Pressure)		0.4 to 0.5 MPa
Back Pressure		0.4 MPa or less
Valve Type		N.C.
Orifice Diameter		4 mm	8 mm
Cv Factor		0.35	1.7
Fluid Contact Space Material	Diaphragm	PTFE
Valve Leakage		1 cm3/min (ANR) or less

Filter Unit Specifications

Model		LLB3	LLB4
Filtration*1		0.01 μm (filtration efficiency 99.99%)
Element Proof Differential Pressure*2		0.5 MPa
Processing Flow Rate		Up to 100 L/min (ANR)	Up to 500 L/min (ANR)
Fluid Contact Space Material	Filter Case	PC
	Hollow Fiber	PP
	Potting	PU

*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.

Product Outline Dimensional Drawing

(Unit: mm)

 

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

(Unit: mm)

 

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

Component Parts

*Each module comes with 2 connection fittings.

Product Flow Rate Characteristics

Standard type (100 L/min)

High Flow Type (500 L/min)

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.

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.