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.

KEY INSTRUMENTS
The Key Instruments part number FR4L71BVBN is a verified industrial product from Key Instruments. Submit the exact part number, quantity, and application requirements for a quote.
For a faster response, include quantity, condition, and delivery destination.
Engineering context
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.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against KEY INSTRUMENTS FR4L71BVBN. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.