Confirm the exact configuration
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
9542
Ball valve QH-3/8
The Festo part number 9542 is a 2/2-way bistable manual ball valve featuring G3/8 pneumatic connections on both ports and a 12 mm nominal width. Constructed with a brass housing, chrome-plated brass ball, and FPM and PTFE seals, this in-line mounted component delivers a normal nominal flow rate of 7500 l/min at a nominal pressure PN of 40. It operates within a medium temperature range of -20 °C to 150 °C, handling compressed air, inert gas, water without water vapor, and neutral liquids in any mounting position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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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
- 9542
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 9542.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- 2/2-way, bistable
- Pneumatic connection 1
- G3/8
- Pneumatic connection 2
- G3/8
- Actuation type
- Manual
- Type of mounting
- In-line installation
- Normal nominal ow rate (normalized to DIN 1343)
- 7500 l/min
- Nominal width
- 12 mm
- Housing material
- Brass
- Sealing principle
- Soft
- Mounting position
- Any
- Conforms to standard
- ISO 228-1
- Structural design
- Ball valve
- Nominal pressure of tting PN
- 40
- Corrosion resistance class (CRC)
- 1 - Low corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Medium
- Compressed air as per ISO 8573-1:2010 [-:-:-] | Inert gas | Water – no water vapor | Neutral liquids | Other ow media on request
- Temperature of medium
- -20 °C...150 °C
- Product weight
- 185 g
- Seals material
- FPM | PTFE
- Ball material
- Brass, chrome-plated
- Shaft material
- Brass
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 9542. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.