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Festo
4810857
Ball valve VZBF-21/2-P1-20-D-2-F0710-V15V15
The Festo 4810857 is a mechanical 2-way ball valve featuring a soft sealing principle, a nominal width DN of 65, and an inside diameter of 64 mm configured for in-line installation in any mounting position. Compliant with ANSI B16.5 class 150 and ISO 5211 norms, this 2/2 valve handles a flow rate Kv of 707 m³/h across a medium temperature range of -20 °C to 200 °C for vapor, compressed air, inert gas, water, and neutral liquids. It operates with a nominal fitting pressure PN of 20, a breakaway torque of 60 Nm at nominal pressure, a flange hole pattern of F0710, and a flange connection as per ANSI B16.5 class 150. Submit the exact part number, quantity, and application requirements to request a 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
- 4810857
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 4810857.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Structural design
- 2-way ball valve
- Actuation type
- Mechanical
- Sealing principle
- Soft
- Mounting position
- Any
- Type of mounting
- In-line installation
- Fitting connection
- Flange as per ANSI B16.5 class 150
- Switching position indication
- Slot direction = ow direction
- Flange hole pattern
- F0710
- Inside diameter
- 64 mm
- Nominal width DN
- 65
- Valve function
- 2/2
- Flow direction
- Reversible
- Nominal pressure of tting PN
- 20
- Breakaway torque at differential pressure, nominal pressure, tting PN
- 60 Nm
- Based on norm
- ANSI B16.5 class150 | ISO 5211
- Medium
- Vapor | Compressed air as per ISO 8573-1:2010 [-:-:-] | Inert gas | Water | Neutral liquids
- Temperature of medium
- -20 °C...200 °C
- Flow rate Kv
- 707 m³/h
- Note on materials
- RoHS compliant
- LABS (PWIS) conformity
- VDMA24364 Zone III
- Housing material
- Cast stainless steel
- Material number of housing
- 1,4408
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 4810857. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.