PENTAIR PN serija otpornih na koroziju Priručnik za upotrebu za mlazne pumpe plitkih bunara
ENGINEERING MANUAL FRICTION LOSSES THROUGH PIPE FITTINGS FRICTI0N L0SSES THR0UGH PIPE FITTINGS IN TERMS 0F EQUIVALENT LENGTHS 0F STANDARD PIPE SIZE OF PIPE(SMALL DIA.) STANDARD ELBOW MEDIUM RADIUS ELBOW LONG RADIUS ELBOW 45˚ELBOW TEE RETURN BEND GATE VALVE OPEN GLOBE…