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.

POCLAIN
The Poclain industrial component, part number B21257E (manufacturer model WEGEVENTIL KV-4/2-5KL-6-51AL-12DC /B21257E | 396108), is a size 6 directional control valve utilizing NBR seals and a P-A, B-T center position configuration. This unit operates on a 12 VDC supply voltage. Submit the exact part number, quantity, and application requirements for a quote.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
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 POCLAIN B21257E. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.