Centrifugal pump Padus UNI series

for wastewaterwastewaterelectric

Overview
The Wilo-Padus UNI is an entry-level submersible drainage pump designed for wastewater transport in small commercial buildings. It can be used as a portable unit or installed in a pump chamber. Corrosion-resistant PP-GF30 composite hydraulics with an open multi-channel impeller enable handling of a wide range of fluids. Low weight, an integrated capacitor (for 1~ versions) and a vertical threaded discharge simplify installation. An oil-filled sealing chamber with double mechanical seals extends maintenance intervals and allows direct access for servicing. An integrated strainer reduces clogging. Compatible with Wilo-Control switchgears for building management integration.

Key features

• PP-GF30 composite hydraulics and open multi-channel impeller for versatile fluid handling
• Portable or stationary installation in pump chambers
• Low weight, integrated capacitor for 1~ motors and vertical threaded (G 2) discharge for easy installation
• Double mechanical seals with oil-filled sealing chamber for extended maintenance intervals
• Integrated strainer to reduce blockages

Technical data

• Mains connection: 1~ 230 V, 50 Hz or 3~ 400 V, 50 Hz (variant dependent)
• Operating mode submerged: S1; non-submerged ratings dependent on version
• Protection class: IP68; Insulation class: F
• Fluid temperature range: 3 … 40 °C (short-term max 60 °C for 3 min)
• Typical free ball passage: ≈ 10 mm (model dependent)
• Typical rated powers: 1.1 kW, 1.5 kW, 2.5 kW (range contains multiple ratings)
• Standard connection cable length examples: 10 m; accessory lengths up to 30 m (1~) or 50 m (3~)

Materials

• Hydraulics and impeller: PP-GF30 (glass-fibre reinforced copolymer)
• Motor housing / shaft: stainless steel (AISI 304 or AISI 316 depending on version)
• Seals: pump side SiC/SiC; motor side C/Cr; static seal NBR

Versions / Equipment

• Electrical variants: P = with plug; A = float switch and plug; VA = vertical float switch and plug; O = bare cable ends
• Construction variants: A = standard; B = V4A (AISI 316) components; K = V4A with cooling jacket
• Single-phase motors include integrated capacitor and thermal motor monitoring (bimetal sensor); three-phase variants available

Delivery & accessories

• Scope of delivery (standard): pump; installation and operating instructions
• Kits available with adapter set for 2½" pipe installation (threaded flange and rubber sealing sleeve)
• Accessories: connection cables of fixed lengths, suspension units for wet installation, level control devices, fixation accessories and chains, switchgear and plugs

Certifications

• Documentation and markings available for applicable certifications; some variants suitable for hazardous area Zone 2 (IECEx) and may include UKCA documentation depending on configuration