CronoBloc-BL
Design
Glanded pump in block design with flange connection

Description/design
  • Single-stage low-pressure centrifugal pump in block design, with axial suction port and radially arranged pressure port with
  • Mechanical seal
  • Flange connection with pressure measuring connection R 1/8 Lantern
  • Coupling
  • IEC standard motor​
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Materials
  • Pump housing and lantern: Standard: EN-GJL-250;
  • optional: Spheroidal cast iron EN-GJS-400-18-LT (depending on type)
  • Impeller: Standard: EN-GJL-200;
  • special version: Bronze CuSn 10 stainless steel 1.4408 (depending on type)
  • Shaft: 1.4122
  • Mechanical seal: AQEGG;
  • other mechanical seals on reques
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​Special features/product advantages
  • Reduced life cycle costs thanks to optimized efficiency
  • High corrosion protection through cataphoretic coating of the cast iron components
  • Standard condensate drainage holes in the motor housings
  • High worldwide obtainability of standard motors (according to Wilo specifications) and mechanical seals
  • Meets user requirements due to performance and main dimensions in accordance with EN 733 (DIN for norm pumps)

Technical data
  • Minimum Efficiency Index (MEI) ≥ 0.4
  • Permissible temperature range of -20 °C to +140 °C Mains connection 3~400 V, 50 Hz (others on request) Protection class IP55
  • Nominal diameter DN 32 to DN 150
  • ​Max. operating pressure 16 bar (optionally 25 bar on request)