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1-2 KDN / KV 32-40-50 <strong>SETS</strong><br />
UNI 9490-10779 1-2 KDN / KV 32-40-50 FIRE-FIGHTING UNITS<br />
WITH 1-2 STANDARDISED ELECTRIC PUMPS WITH KDN BASEPLATE<br />
KV 32-40-50 VERTICAL MULTISTAGE PUMPS<br />
1 KDN<br />
GENERAL DATA<br />
These are UNI 9490-10779 compliant pressurisation units for delivering water to fire-fighting systems.<br />
The standard version comprises:<br />
- one or two standardised KDN electric pumps with base, joint, <strong>plus</strong> a compensation pump (if present).<br />
- one or two KV vertical multistage electric pumps and compensating pump (if present)<br />
CONSTRUCTIONAL CHARACTERISTICS<br />
BASE<br />
Galvanised steel baseplate for electric pump/s and pilot electric pump.<br />
ELECTRIC PUMPS<br />
Standardised centrifugal KDN electric pumps with joint, coupled to a three-phase asynchronous motor, performance and<br />
size compliant with DIN-EN 733 (formerly DIN 24255).<br />
Axial suction port, radial discharge port, pump body in cast iron, impeller in cast iron equilibrata dinamicamente,<br />
carbon/silicon carbide mechanical seal.<br />
Asynchronous, closed 2-pole motor, cooled by external ventilation.<br />
Vertically-mounted multistage centrifugal KV electric pump, coupled to an asynchronous three-phase motor.<br />
Discharge and suction body in cast iron, impeller and diffuser intechnopolymer (KV 32), bronze impeller and diffuser in<br />
cast iron (KV40 KV50), carbon/tungsten carbide mechanical seal.<br />
Asynchronous, closed 2-pole motor, cooled by external ventilation.<br />
PILOT PUMP<br />
KV 3 centrifugal multistage electric pump on a vertical axis. Discharge and suction body in cast iron, impeller and<br />
diffuser intechnopolymer. Asynchronous, closed 2-pole motor, cooled by external ventilation.<br />
HYDRAULIC PART<br />
Separate suction lines for each pump, complete with vacuum pressure gauge, butterfly valve and anti-vibration joint.<br />
Delivery of each main pump to the manifold with<br />
connections for rate of flow indicator, shut-off batterfly valve, galvanised steel delivery manifold with pressure gauges<br />
and starting pressure switches, 15 bar expansion tank and anti-vibration joint.<br />
Pilot pump with ball valve on suction and delivery sides, check valve on the delivery side, starting pressure switch, hose<br />
connection to the delivery manifold of the main pumps.<br />
The size of the hydraulic part is compliant with UNI 9490 - UNI 9489 - UNI 10779.<br />
CONTROL PANELS<br />
One IP 55 control panel for each electric pump with duplicated front-of-panel indicator LED's, general switch, fuses,<br />
starting contactors for electric pumps (direct up to 7,5 kW inclusive/star delta over 7,5 kW), 1 voltmeter and 1 ammeter,<br />
AUT-0-MAN selector, START – STOP buttons, recessed selector for operation to UNI 10779.<br />
Also in version with for weekly test unit (only for main electric pumps), this must be specified when ordering as it<br />
cannot be added later.<br />
Control panel for pilot pump with overload cut-out, line isolator, direct starting, AUT-0-MAN selector and indicator LED's.<br />
168<br />
®
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