UD Gear Pumps0 pages
ýý Gear Pumps Catalogue
ý Basic Description
version 02/2010 Jihostroj a.s. Budìjovická 148, 382 32 Velešín, Czech Republic e-mail: mailbox@jihostroj.cz, http: www.jihostroj.com 1
UD
BASIC DESCRIPTION
UD line gear-hydrogenerators as well as UMD line motors are – as regards their structure and the geometric volume
range – based on the well-proven line UC (UN). The flange and cover of this hydrogenerators are made of grey case
iron; the body is made of an aluminum alloy shaped cross-section bar. The hydrogenerators are connected by means
of four M12 through-bolts made of high-strength steel. They are equipped with a hydraulic pressure axial play
compensation, which is executed by means of a shape sealing directly in the bearing faces. Compared to the previous
design of UC (UN), the UD line hydrogenerators have better parameters of noise, maximum pressure and flow
efficiency within the entire speed range, whereas the favorable price has been maintained. The UD line disposes of a
wide size range of geometric volumes Vg = 5 to 40 cm3/rev while achieving nominal working pressures of up to 30
MPa. The pumps have been produced in one-way as well as multiple versions.
UD gear pumps can be equipped with flow control and a safety valve.
For special purposes, a reinforced version (UDD) or a short version (UDK) pumps are available.