197131

Name: Festo 197131 Shut-off valve HE-N3/4-LO
Brand: Festo

Shut-off valve HE-N3/4-LO

The Festo part number 197131 is an industrial component featuring direct control with a soft sealing principle and a non-throttled exhaust air function. Operating within a pressure range of 1 bar to 10 bar, this unit handles compressed air according to ISO 8573-1:2010 [7:4:4] at a normal nominal flow rate of 8000 l/min with a 3/4 NPT pneumatic connection 1, 3/4 NPT pneumatic connection 2, and 1 NPT pneumatic connection 3. It weighs 1000 g, utilizes NBR and TPE-U(PU) seals, offers corrosion resistance class 3 for high corrosion stress, and functions in medium and ambient temperatures from -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements for a quote.

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Manufacturer: Festo
Part number: 197131
Data verification: Manufacturer evidence reviewed

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Technical Specifications

Sealing principle: Soft
Exhaust air function: Cannot be throttled
Type of control: directly
Operating pressure: 1 bar...10 bar
C value: 36.28 l/sbar
b-value: 0.21
Normal nominal ow rate (normalized to DIN 1343): 8000 l/min
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4]
Corrosion resistance class (CRC): 3 - High corrosion stress
LABS (PWIS) conformity: VDMA24364-B1/B2-L
Temperature of medium: -10 °C...60 °C
Ambient temperature: -10 °C...60 °C
Type of mounting: Screw-in
Mounting position: Any
Flow direction: Non-reversible
Product weight: 1000 g
Pneumatic connection 1: 3/4 NPT
Pneumatic connection 2: 3/4 NPT
Pneumatic connection 3: 1 NPT
Seals material: NBR | TPE-U(PU)
Housing material: Die-cast aluminum

Engineering context

Identification and RFQ Guidance

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Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

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Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 197131. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.