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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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Festo
173910
On/off valve HEE-3/4-D-MIDI-24-NPT
The Festo 173910 is an electrically actuated piston gate valve featuring a 3/2-way, closed, monostable valve function with a 55 mm width dimension and soft sealing principle. This piloted component operates within a pressure range of 0.25 MPa to 1.6 MPa (2.5 bar to 16 bar), delivering a normal nominal flow rate of 3800 l/min, a C value of 17.3 l/sbar, and a b-value of 0.41 with positive overlap lap. It utilizes a mechanical spring reset method, detenting manual override, non-throttleable exhaust air function, and a 24 V DC, 2.5 W coil rated for a 100% duty cycle and +/- 10% voltage fluctuations under moderate corrosion stress (CRC 2). The unit functions with compressed air conforming to ISO 8573-1:2010 [7:4:4] or inert gases, where oil lubrication is possible and required for continued operation. Submit the exact part number, quantity, and application requirements to receive a formal quote.
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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 173910
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 173910.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Width dimension
- 55 mm
- 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
- C value
- 17.3 l/sbar
- b-value
- 0.41
- Normal nominal ow rate (normalized to DIN 1343)
- 3800 l/min
- Duty cycle
- 100%
- Coil characteristics
- 24 V DC: 2.5 W
- Permissible voltage uctuations
- +/- 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
- Type of mounting
- In-line installation | With accessories
- Mounting position
- Any
- Flow direction
- Non-reversible
- Product weight
- 500 g
- Pneumatic connection 1
- 3/4 NPT
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
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 173910. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.