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data sheet

Product catalog summary
Introduction
The HC-D9 sectional valve by Hydrocontrol S.p.A. is designed for mini-excavators weighing 1 to 2.5 tons. It supports a maximum flow of 35 liters/min at 350 bar pressure, offering configurations like 2 or 3 pump circuits and multiple control options.
General Specifications
The valve operates at a nominal flow rate of 35 l/min and a pressure of 350 bar, with a maximum line pressure of 20 bar. It functions within a temperature range of -25°C to +80°C and supports kinematic viscosity from 10 to 460 mm²/s. The contamination level is 19/16 ISO 4406, with a filtration level of β 10 > 75.
Fluid Compatibility
Compatible with mineral oil, oil in water emulsion, and polyglycol-based solutions, each requiring specific temperature ranges and gaskets.
Hydraulic Specifications
Configurable in parallel, parallel-tandem, or series circuits, affecting flow and pressure distribution. Parallel circuits allow simultaneous spool operation, while tandem circuits prioritize upstream sections.
Ordering and Assembly
Ordering involves specifying valve type, inlet/outlet arrangements, and work section configurations. Assembly uses a tie rod kit, with lengths varying by section number.
Dimensions and Weights
Dimensions and weights depend on section number, with detailed measurements for each configuration.
Installation and Maintenance
Guidelines ensure proper operation and longevity of the valve system.
Specifications and Characteristics
Details on hydraulic blocks in ports A and B, with a maximum pressure of 350 bar, clamping torque, and load limits for various configurations.
Hydraulic Circuit Sections
Describes parallel, tandem, and series circuit sections with specific ordering codes. Covers auxiliary valves like antishock and anticavitation valves, emphasizing setting values.
Intermediate Sections
Details on intermediate inlet/outlet sections for single or dual pump systems, with examples of configurations and pressure relief valve roles.
Outlet Sections
Classified by outlet number and configuration, explaining flow management for single and dual outlet systems, including carry-over connections.
Features and Accessories
Information on lever kits, including types, dimensions, and ordering codes, with available lengths and thread types.
Installation and Maintenance
Lists general clamping torque values for components, including load check valve plugs and pressure relief valve bodies, with specific values for auxiliary valves.
Product Identification
Each valve includes an identification plate with serial number and ordering code.
Assembly Instructions
Directional control valve casings have symmetrical galleries, allowing conversion from right-side to left-side inlet by rotating the spool and controls 180°, except for spool types 012 and 013. The recommended curve for standard valves is A01.
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Catalog excerpts

data sheet-1

Distributors componibile

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data sheet-2

^_ 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

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data sheet-3

HC-D9 HCD9-04 INTRODUCTION Universal products and solutions - INTRODUZIONE Prodotti e soluzioni universali HC-D9 control valve belongs to the wide range of Hydrocontrol S.p.A. modular sectional valves and is capable of working with a maximum flow of 35 litres/min. at an operating pressure of 350 bar. Il distributore HC-D9 fa parte della vasta gamma della valvole componibili della Hydrocontrol S.p.A. ed è idoneo a funzionare con una portata massima di 35 litri/min. a una pressione di esercizio di 350 bar. Ideal for mini-excavators between 1 and 2.5 tons. Ideale per miniescavatori da 1 a 2,5 ton....

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data sheet-4

HC-D9 HCD9-04 GENERAL SPECIFICATIONS - CARATTERISTICHE GENERALI Standard working conditions Condizioni di lavoro standard • FLOW RATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 GPM • PORTATA NOMINALE . . . . . . . . . . . . . . . . . . .35 l/min • PRESSURE RATE . . . . . . . . . . . . . . . . . . . . . 5000 PSI • PRESSIONE NOMINALE . . . . . . . . . . . . . . . . .350 bar • MAX PRESSURE ON (T) . . . . . . . . . . . . . . . . . 290 PSI • PRESSIONE MAX SULLA LINEA (T) . . . . . . . . .20 bar • OPERATING TEMPERATURE . . . . . . . . . -25°C / +80°C • TEMPERATURA OPERATIVA . . . . ....

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data sheet-5

HC-D9 HCD9-04 INDICE - INDEX General index Order modality. . . . . . . . . . . . Dimensions . . . . . . . . . . . . . . Hydraulic specifications . . . . . Typical curves . . . . . . . . . . . . Inlet section . . . . . . . . . . . . . . Work section . . . . . . . . . . . . . Spool type . . . . . . . . . . . . . . . Spool actuation . . . . . . . . . . . Spool return action . . . . . . . . Work section type . . . . . . . . . Auxiliary valves . . . . . . . . . . . Intermediate sections . . . . . . Outlet section . . . . . . . . . . . . Features . . . . . . . . . . . . . . . . Installation and maintenance...

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data sheet-6

HC-D9 HCD9-04 ORDER MODALITY - MODALITÀ DI ORDINAZIONE Order example Esempio di ordinazione HC-D9/1 IR 001 (150) A G03 W001A H004 F001A RP G03 01PA(120) 05PB TJ A G04 B C D pag. 13 pag. 16 pag. 31 A USCITA SEZIONE DI LAVORO OUTLET ENTRATA WORK SECTION INLET A: SECTIONAL CONTROL VALVE TYPE A: TIPOLOGIA DISTRIBUTORE COMPONIBILE D9 = product type /1 = number of sections D9 = tipologia prodotto /1 = numero sezioni di lavoro B: INLET ARRANGEMENT B: ALLESTIMENTO ENTRATA IR 001 = inlet side and valve type . . . . . . . . .page 13 150 = setting (bar) A G03 = inlet position and available thread type C:...

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data sheet-7

HC-D9 HCD9-04 ORDER MODALITY Assembly specifications - MODALITÀ DI ORDINAZIONE Caratteristiche di assemblaggio Tie rod kit allows the correct assembling of HC-D9. Tie rods lenght depends on number of sections. Il corretto allestimento del distributore componibile HC-D9 è garantito dal kit tirante caratterizzato dalla lunghezza variabile a seconda del numero delle sezioni. Tie rod kit - Kit tirante TIE ROD LENGHT (in) - LUNGHEZZA TIRANTE (mm) Type - Tipo /1 /2 /3 /4 /5 /6 /7 /8 /9 /10 /11 /12 mm 126 157 188 219 250 281 312 343 374 405 436 467 in 5 6,2 7,4 8,6 9,8 11 12,2 13,4 14,6 15,8 17 18,2...

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data sheet-8

HC-D9 HCD9-04 DIMENSIONS - DIMENSIONI INSERIRE TITOLO ITALIANO - INSERIRE TITOLO INGLESE Standard thread Filettature standard PORT UTILIZZO (B) PORT UTILIZZO (B) OUTLET SCARICO (T) INLET INGRESSO (P) HYDRAULIC PILOT PILOTAGGIO IDRAULICO PORTS UTILIZZI thread - filettature (BSP) ISO-228 thread - filettature (SAE UN-UNF) ISO-725 Inlet - Ingresso P G 3/8 3/4”-16 UNF Ports - Utilizzi A - B G 3/8 3/4”-16 UNF Outlet - Scarico T G 1/2 7/8”-14 UNF Carry-over HPCO G 1/2 7/8”-14 UNF PORTS UTILIZZI thread - filettature (BSP) ISO-228 Hydraulic pilot Pilotaggio idraulico G 1/4 G 1/4 Ordering codes Sigle di...

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data sheet-10

HC-D9 HCD9-04 HYDRAULIC SPECIFICATIONS - SPECIFICHE IDRAULICHE Parallel circuit Circuito Parallelo When the spool is operated it intercepts the switch gallery by diverting the flow of oil to service port A or B. If two or more spools are actuated at the same time, the oil will power the service port that has the lower load by selecting the path with the least resistance; by throtting the spools, the flow of oil can be divided between two or more service ports. HYDRAULIC SCHEMA A B Il cursore quando viene azionato, intercetta il canale di libera circolazione deviando il flusso d’olio agli utilizzi...

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data sheet-11

HC-D9 HCD9-04 HYDRAULIC SPECIFICATIONS Carry-over connection (HPCO) - SPECIFICHE IDRAULICHE Collegamento carry-over (HPCO) This option, available on all HC-D9, allows the monoblock to feed a second valve, by extending the free flow channel. In this configuration, the valve needs a separated port for the connection to tank. Questa opzione, di serie sul distributore HC-D9, permette il prolungamento del canale di libera circolazione all’esterno, alimentando così un secondo distributore. Il distributore così configurato necessita di uno scarico per le utenze. It is possible to transform sectional...

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data sheet-12

HC-D9 HCD9-04 TYPICAL CURVES - CURVE CARATTERISTICHE Pressure drop (P - T) Perdite di carico (P in T) OUT IN Δp psi bar 580 40 435 30 D9/9 290 20 D9/6 145 10 0 0 D9/12 D9/3 D9/1 0 10 20 30 40 0 2.6 5.3 7.9 10.6 Pressure drop (P - A/B) IN bar 232 16 174 12 116 8 58 4 0 0 D9/12 D9/1 0 10 20 30 40 0 2.6 5.3 7.9 10.6 Pressure drop (A/B - T) 50 l/min Qp 13.2 US-GPM Perdite di carico (A/B in T) IN Δp psi bar 232 8 174 6 116 4 58 2 0 0 D9/12 D9/1 0 NOTE: indicated values have been tested with standard sectional valve and W001A spools. 10 20 30 40 0 36 Qp 13.2 US-GPM Δp psi 10 l/min Perdite di carico...

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data sheet-13

HC-D9 HCD9-04 TYPICAL CURVES Direct relief valve curve - CURVE CARATTERISTICHE Curva valvola di massima diretta Δp psi bar 5075 350 4350 300 3625 250 2900 200 2175 150 1450 100 725 50 Campi di taratura - Setting ranges (C) (A) = 30 / 110 (bar) (B) = 111 / 220 (bar) (C) = 221 / 350 (bar) (B) (A) 0 0 0 7 14 21 28 35 0 1.8 3.7 5.5 7.4 9.2 US-GPM l/min Qp Antishock valve curve Curva valvola antiurto Δp psi bar 5075 350 4350 300 3625 250 2900 200 2175 150 1450 100 725 50 Campi di taratura - Setting ranges (C) (A) = 20/100 (passaggio - at full flow) 10-A / 80-A (apertura - at min. flow) (B) = 101/220...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.