Double-diaphragm pump LDE 050M PURE

for food productsair-drivensanitary

Product information
The Lutz double-diaphragm pump LDE 050M PURE is a compact hygienic pump designed for precise small-volume transfer. It provides accurate dosing and a sanitary design in a compact package, suitable for small production batches, laboratory use and dosing processes in the food, cosmetic and pharmaceutical sectors.

Main features
The pump features an electropolished stainless steel housing (V4A) and TPE‑PTFE diaphragms, ensuring gentle transfer without thermal or mechanical stress on the product. Tri‑Clamp connections allow for quick disassembly and cleaning, making the pump suitable for frequent product changes and sensitive media such as chili sauce, creams or alcohol-based liquids.

Advantages at a glance

• Compact design with only 3.7 kg
• Gentle handling of sensitive liquids
• Food-grade, FDA-compliant and optionally ATEX-certifiable (Ex option)
• Temperature resistant up to 100 °C
• Tri‑Clamp connection for quick cleaning (CIP/SIP compatible)

Further notes
Flow rates and test values were determined under laboratory conditions; achievable values in service depend on the application, media properties and pump configuration. Product image may differ from the actual unit.

Specifications / technical data

• Model designation: LDE 050M PURE
• Flow rate (max): 52 l/min
• Operating point: 30 l/min
• Discharge head (max): 80 mWS
• Product temperature (max): 100 °C
• Housing / ball seat: V4A / 1.4404 ep
• Diaphragms: TPE‑PTFE
• Connections: Tri‑Clamp (CIP/SIP compatible)
• Air pressure (max): 8 bar
• Max. solids size: 3.5 mm
• Displacement volume: 35 cm³
• Viscosity (max): 3500 mPas
• Certification: FDA-compliant
• Weight: 3.7 kg
• Dimensions (HxWxL): 230 mm x 230 mm x 130 mm
• Matchcode (DMP): LDE-050M-PU-VAN-YTSTCRR-00