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Festo
9543
Ball valve QH-1/2
The Festo part number 9543 is a 2/2-way bistable manual ball valve featuring G1/2 pneumatic connections conforming to ISO 228-1 and a structural design with a chrome-plated brass ball housed in brass. This in-line installation component delivers a normal nominal flow rate of 11500 l/min at a nominal pressure PN of 40, utilizing FPM and PTFE soft seals to handle compressed air, inert gases, water without vapor, and neutral liquids across a medium temperature range of -20 °C to 150 °C. With a product weight of 340 g, a 15 mm nominal width, and a CRC 1 low corrosion stress rating, it supports any mounting position and VDMA24364-B1/B2-L LABS conformity. Submit the exact part number, quantity, and application requirements to request a quote for this component.
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Request a QuoteWhy no listed price?
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
- 9543
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 9543.
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
- G1/2
- Pneumatic connection 2
- G1/2
- Actuation type
- Manual
- Type of mounting
- In-line installation
- Normal nominal ow rate (normalized to DIN 1343)
- 11500 l/min
- Nominal width
- 15 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
- 340 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 9543. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.