172961

Name: Festo 172961 On/off valve HEE-D-MIDI-230
Brand: Festo

On/off valve HEE-D-MIDI-230

The Festo 172961 is an electrically actuated piston gate valve featuring a soft sealing principle, positive overlap lap, and a 3/2-way, closed, monostable valve function with piloted control. This component operates within a pressure range of 0.25 MPa to 1.6 MPa (2.5 bar to 16 bar) and supports a 100% duty cycle powered by 230 V AC (50/60 Hz) coil characteristics with an initial power of 5.0 VA and holding power of 3.7 VA. Designed with a mechanical spring reset method, detenting manual override, and non-throttleable exhaust air function, it is compatible with compressed air meeting ISO 8573-1:2010 [7:4:4] or inert gases within a medium and ambient temperature range of -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 172961
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Technical Specifications

Structural design: Piston gate valve
Actuation type: Electrical
Sealing principle: Soft
Exhaust air function: Cannot be throttled
Manual override: Detenting
Reset method: Mechanical spring
Type of control: Piloted
Valve function: 3/2-way, closed, monostable
Operating pressure: 0.25 MPa...1.6 MPa | 2.5 bar...16 bar
Lap: Positive overlap
Duty cycle: 100%
Coil characteristics: 230 V AC: 50/60 Hz, initial power 5.0 VA, holding power 3.7 VA
Permissible voltage uctuations: -14% / +10%
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4] | Inert gases
Information on operating and pilot media: Operation with oil lubrication possible (required for further use)
Corrosion resistance class (CRC): 2 - Moderate corrosion stress
Note on materials: RoHS compliant
LABS (PWIS) conformity: VDMA24364-B1/B2-L
Temperature of medium: -10 °C...60 °C
Ambient temperature: -10 °C...60 °C
CE marking (see declaration of conformity): As per EU low voltage directive
UKCA marking (see declaration of conformity): To UK instructions for electrical equipment
Type of mounting: In-line installation | With accessories
Mounting position: Any
Flow direction: Non-reversible
Product weight: 500 g
Pneumatic connection 3: G1/4
Air quality class at the output: Compressed air as per ISO 8573-1:2010 [7:4:4] | Inert gases
Electrical connection: Type C

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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Technical verification

Our sourcing response is prepared against Festo 172961. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.