Liquid & steam Ejectors - 250 | Valfonta

Valfonta 250 Liquid Ejector

The Valfonta 250 is an ejector designed for lifting and transferring liquids, oils, and viscous fluids, utilizing steam or water as the motive medium. Suction is generated via a jet nozzle, with no moving parts, shaft, mechanical seal, or electric motor involved.

Technical Data

• Sizes: 3/8” to 1 1/2”.
• Connections: BSP threaded.
• Materials: all-brass construction, bronze/stainless steel, or full stainless steel AISI 316.
• Body: PN16.
• Maximum operating pressure: 16 barg.
• Maximum temperature: 200 °C.
• Nominal flow rates: 1,500 to 10,000 l/h.
• Maximum suction lift: 6 m.

Selection Criteria

Catalogue flow rates refer to 1 m suction and discharge head, with dry steam at 4 kg/cm² or water at 3 kg/cm² as motive medium. For correct sizing, specify:

• required flow rate,
• fluid type and temperature,
• suction and discharge height,
• available motive medium pressure.

Applications

Used in auxiliary circuits of industrial installations for transfer or lifting of water, oils, hot liquids, and viscous media. Suitable where a pressurized steam or water network is available and a simple suction arrangement is required without rotating equipment.

Comparison with Pumps

The ejector has no impeller and does not regulate flow as a centrifugal pump does. Flow rate depends on motive pressure, backpressure, and suction lift. No actuator, valve seat, or leakage class applies.

Maintenance and Sealing

Key inspection points: BSP threads, jet nozzle cleanliness, and deposits from salts or sediments. Sealing concerns piping connections, not internal isolation or shut-off sealing.

Certifications

Documentation references PED 2014/68/EU, ATEX 2014/34/EU, and ISO 9001:2015 for Valfonta. The available ISO certificate expires 15/05/2024; current validity should be confirmed during procurement.