HCD Circulating pumps for diathermic oils and overheated water

Specifications:

HCD pumps are designed for diathermic fluids having a max. temperature of 350°C.
No cooling of the seal chamber is required; the installation of auxiliary flushing can then be avoided. Mechanical seal is in accordance with VDMA 24960. These pumps, fitted with special mechanical seal device, can be used with hot water up to 170°C. These pumps have a standard process type design: single stage, single volute casing; axial suction, top radial discharge; radial impeller, with axial thrust balancing holes; separate bearing housing, with plane bearings lubricated by the pumped liquid and one grease lubricated axial thrust resistant ball bearing. The design has aimed at improving the thermal exchange with the atmosphere, for a natural cooling of the pump. Standard constuction material is with wetted parts in nodular cast iron, AISI 420 steel shaft, hardened steel shaft sleeve. The line bearing is made of metallized carbon.