Gespasa AdBlue skid batches 700 l/min with a 3-inch mass flow meter

Stainless steel AdBlue/DEF skid batches preset volumes at 700 l/min with mass flow metering and ERP traceability

Transferring AdBlue/DEF from a plant storage tank into road tankers at 700 l/min is simple enough. Stopping at exactly the preset quantity, without water hammer, and logging every load against the right truck is the harder part. Gespasa designed a skid that does all three.

The task: preset, transfer, record

The operator wanted to select a quantity of AdBlue/DEF in advance and pump it from the storage tank on site into the tank of a truck. Each delivery also had to be recorded in the company’s own software, together with the number of the tanker that received it. That combination turns a basic transfer job into a batching and traceability application, where the accuracy of the meter and the behaviour of the shut-off valve determine whether the recorded figure matches what actually left the tank.

Mass flow metering and a two-stage shut-off

Gespasa built the system on a stainless steel bedplate, a sensible choice for a urea solution that attacks many common metals. Product enters and leaves through 3-inch Camlock loading and unloading ports. A stainless steel Y-type pre-filter protects the downstream components, followed by a stainless steel centrifugal pump rated at 700 l/min.

Quantity is measured by a high-accuracy 3-inch mass flow meter. The flow is closed off by a double shut-off solenoid valve. According to Gespasa, the two-stage closure serves two purposes: it avoids water hammer when a high-rate transfer is stopped, and it halts the supply precisely when the preset quantity has been reached. At 700 l/min, a single abrupt valve closure would both stress the pipework and make the final volume harder to hit.

From keypad to ERP

Operation is handled from a control console with an alphanumeric keypad, on which the operator identifies himself and the tank being supplied. The console transmits the delivery data to a cloud platform, which in turn passes it to the operator’s ERP system through an API. Each batch therefore arrives in the business system with the operator, the truck and the metered quantity attached, without manual transcription.

Key facts

• Medium: AdBlue/DEF
• Flow rate: 700 l/min, 3-inch pipework
• Connections: 3-inch Camlock loading and unloading ports
• Metering: high-accuracy 3-inch mass flow meter
• Shut-off: double shut-off solenoid valve for preset batching without water hammer
• Construction: stainless steel bedplate, Y-type pre-filter and centrifugal pump
• Data: console with alphanumeric keypad, cloud platform and API link to ERP