HC-MV99
36Pages

^_ J un Hydrocontrol S.p.a. reserves the right to introduce changes in any moment without ||l/QI fj obligation of prior notice componenti idrodinamici e senza I'obbligo di preavviso" WITH QUALITY MANAGEMENT COMPANY WITH ENVIRONMENTAL MANAGEMENT

Universal products and solutions for Lifting applications HC-MV99 is the new Load Sensing control valve with electro-proportional actuation from di Hydrocontrol S.p.A. This control valve guarantees the best result in terms of control and movement precision for all applications and has been specially studied for hoisting machines. Numerous integrated valve features in addition to countless configuration options make HC-MV99 highly flexible and easily adaptable to the widest applications range. The Load Sensing system maintains the ΔP constant through spool control notches by means of the...

GENERAL SPECIFICATIONS CARATTERISTICHE GENERALI Standard working conditions Condizioni di lavoro standard OPERATING TEMPERATURE VISCOSITA’ CINEMATICA VALORE MASSIMO DI CONTAMINAZIONE AMMESSA NAS 1638 classe 9 (19/16 ISO-4406) RECOMMENDED FILTRATION LEVEL GRADO DI FILTRAGGIO CONSIGLIATO (on electroproportional valves pilot line) - FILTRO INTERNO (sul pilotaggio comando elettroidraulico) Compatibilità fluidi Fluid compatybility TYPE OF FLUID (Oil and Solution) Mineral oil HPL (DIN 51524) Oil in water emulsion HFA(*) Water in oil emulsion HFB(*) Polyglycol-based aqueous sol. HFC(*) Ester of...

General index Order modality. . . . . . . . . . . . Dimensions . . . . . . . . . . . . . . Technical information. . . . . . . Functions. . . . . . . . . . . . . . . . Typical curves . . . . . . . . . . . . Inlet section . . . . . . . . . . . . . . Work section arrangement . . Spool type . . . . . . . . . . . . . . . Spool actuation . . . . . . . . . . . Spoll return action . . . . . . . . . Work section type . . . . . . . . . Auxiliary valves . . . . . . . . . . . Outlet section . . . . . . . . . . . . Features . . . . . . . . . . . . . . . . Installation and maintenance . PROPORTIONAL...

ORDER MODALITY Order example: A: ALLESTIMENTO MODULO ENTRATA MR 005 = inlet side and valve type . . . . . . . . . .p. 15 150 = setting (bar) KV G05 = inlet position and available thread type . .p. 16 B: WORK SECTION ARRANGEMENT W001C AACC = type and spool delivery . . H404 = spool actuation . . . . . . . . . . . . . . . F001 = spool return action . . . . . . . . . . . . . RD1 G04 = type and thread section . . . . . 05PA 05PB = auxiliarie valve arrangement MR 005 = alimentazione e tipologia valvole . . .p. 15 150 = taratura (bar) KV G05 = tipologia e filettatura modulo entrata .p. 16 B:...

ORDER MODALITY Assembly specifications MV99 proportional valve is assembled with tie-rod kits; tierods lenght depends on sections number. Il corretto allestimento del distributore proporzionale MV99 è garantito dal kit tirante caratterizzato dalla lunghezza variabile (L) a seconda del numero delle sezioni. TIE ROD LENGTH (in) - LUNGHEZZA TIRANTE (mm) Type - Tipo MV99/1 MV99/2 MV99/3 MV99/4 MV99/5 MV99/6 MV99/7 MV99/8 MV99/9 MV99/10 L (mm) NOTE: Each valve is assembled with n° 3 tie-rod kits, composed by a tie-rod, a nut and a washer. NOTA: ogni distributore è allestito con N°3 kit tiranti i...

Dimensional drawing Disegno d’ingombro dimensionale FIXING SPECIFICATIONS CARATTERISTICHE FISSAGGIO Proportional Valve - DISTRIBUTORE PROPORZIONALE

Standard thread Filettature standard N co la 0 0 M at0 ri0 6 0 7 5 a N 0 S ch em0 p. LY 1 9 5 0 TR OL INS.ITAA. OC A DRLOGNON- MADE HY BO PORTS UTILIZZI thread - filettature (SAE UN-UNF) ISO-725 Ordering codes Proportional Valve - DISTRIBUTORE PROPORZIONALE

TECHNICAL INFORMATION DATI TECNICI Technical specifications Caratteristiche tecniche • WORKING SECTION NUMBER . . . . . . . . . . . . . . . 1 - 8 • NUMERO SEZIONI DI LAVORO. . . . . . . . . . . . . . . 1 - 8 • CORSA DELLA SPOLA . . . . . . . . . . . . . . . . . 7 + 7 mm • MASSIMA PRESSIONE DI ESERCIZIO utilizzo (T) . . . . . . . . . . . . . . . . . . . . . . . . . . 20 bar • PORTATA NOMINALE • RATED FLOW ports (P-T) . . . . . . . . . . . . . . . . . . . . . . . 34,2 GPM Manual actuation specifications Caratteristiche comando manuale • FORZA DI AZIONAMENTO SUL CURSORE • ACTUATION FORCE ON...

Compensated on inlet section valve LS Distributore compensato in ingresso A3 B3 Electric operated dump valve Pressure reducing valve with internal filter for electrohydraulic actuation Relief valve for electrohydraulic actuation Inlet pressure compensator Main relief valve Manual and electrohydraulic operated spool L.S. selection valve Antichock auxiliary valve Combined auxiliary valve Anticavitation auxiliary valve Compensated on work section valve LS Valvola di messa a scarico elettrica Valvola riduttrice di pressione per il comando elettroproporzionale con filtro incorporato Limitatrice...

TYPICAL CURVES CURVE CARATTERISTICHE COMPENSATED ON INLET SECTION VALVE DISTRIBUTORE COMPENSATO IN INGRESSO 1 Flow on ports A and B (Q A/B) as function of spool stroke. Inlet flow Qp = 100 l/min Erogazione della portata sulle bocche A e B (Q A/B) in funzione della corsa dello stelo. Portata in ingresso Qp = 100 l/min COMPENSATED ON INLET SECTION VALVE DISTRIBUTORE COMPENSATO IN INGRESSO 2 Flow on ports A and B (Q A/B) as function of inlet flow (Qp). COMPENSATED ON WORK SECTION VALVE Portata sulle bocche A e B (Q A/B) in funzione della portata in ingresso (Qp) con stelo completamente...

TYPICAL CURVES PRESSURE DROP CURVE CARATTERISTICHE 4 Pressure drop (A/B in T) as function of flow. Spool at end of stroke INLET SECTION PRESSURE COMPENSATOR Caduta di pressione (A/B in T) in funzione della portata smaltita con stelo completamente spostato. COMPENSATORE DI PRESSIONE IN INGRESSO 5 Δp di attraversamento in funzione della portata in ingresso. Valido su versione in centro aperto. Pressure drop as function of inlet flow for open centre circuit. COMPENSATED ON INLET SECTION VALVE DISTRIBUTORE COMPENSATO IN INGRESSO 6 Flow on ports A and B (Q A/B) as function of spool stroke....