MiniBOOSTER Hydraulic Intensifier HC4H 25.0-G

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Product Description

The HC4H – 25.0 – G is a lightweight yet powerful high-pressure unit, designed for portable applications such as power packs. Weighing just 4.0 kg, it can deliver pressures up to 3,000 bar. This compact unit efficiently boosts supplied pressure to maintain high pressure automatically, compensating for oil consumption. Outlet pressure adjustment is achieved by varying the supplied pressure. The HP port features an M22x1.5 thread, with the option for different high-pressure adapters to accommodate various thread types. Higher pressure capabilities are also available upon request.

Additional information

Product Specifications

Versions: 7 different intensification factors
PIN: 20 – 207 bar
PH: Maximum 3,000 bar
PRETURN: As low as possible (return pressure to tank)
POUTLET: PH = (PIN – PRETURN) x intensification factor
Mounting: Inline tube
Weight: 4.0 kg

Model Versions:

A model = no dump valve
B model = with dump valve
G model = direct proportionally controlled

Flow Rate

Intensification factor	Max. intensified outlet flow (l/min)	Max. inlet flow (l/min)
5.1	4.1	40.0
6.3	3.4	40.0
7.7	2.8	40.0
9.8	2.2	40.0
12.7	1.6	40.0
16.0	1.3	40.0
17.3	1.2	40.0
25.0	0.8	40.0

Functions Description

The basic operation is illustrated in the function diagram. Oil is fed through the directional valve CV to the IN port, flowing freely through the check valves KV1, KV2 and DV to the high-pressure side H. In this condition maximum flow through the booster is achieved, giving a fast-forward function. When pump pressure is reached on the high-pressure side H, valves KV1, KV2 and DV will close. The end pressure will be achieved by the oscillating pump unit OP. The unit will automatically stall when end pressure on the high-pressure side H is reached. If a pressure drop on the high-pressure side exists due to consumption or leakage, the OP valve will automatically operate to maintain the end pressure.

Function diagram HC4H-25.G

Dimensions

Dimension drawing HC4H-25.0-G

Connection Types

Connection	IN / R	H
1	3/8″ BSPP	M22 x 1.5

High-pressure adapters

High-pressure adapters HC4H-25.0-G

Ordering an HC4H

Ordering example of an HC4H with i = 12.7, H1 M22 x 1.5 and H2 9/16-18 UNF, DV incorporated and BSPP connections:
HC4H – 12.7 – B – 12

Attention note!

High-pressure adapter is required, please specify ordering code – see high-pressure adapter table.

High-pressure adapters will be factory mounted

Dynamic – low hysteresis: Ordering example of an HC4H with i = 9.8 RV incorporated, H1 M22 x 1.5 and H2 9/16-18 UNF and BSPP connections: HC4H – 9.8 – G – 12.
Fail safe – high hysteresis: The RV valve opening ratio is to be determined on individual basis. Contact our technical support..

Model

HC4H

Intensification,i

Select factor
See flow rate table

Model Version.

Select type
A = without DV
B = with DV
G = with proportional valve

Connections.

See table below

Ordering code	IN / R	H1	H2	H3	H4	H5
HC4H-___-__-11	3/8″ BSPP	M22 x 1.5	–	–	–	–
HC4H-___-__-12	3/8″ BSPP	M22 x 1.5	3/4-16 UNF	–	–	–
HC4H-___-__-13	3/8″ BSPP	M22 x 1.5	3/4-16 UNF	9/16-18 UNF	–	–
HC4H-___-__-14	3/8″ BSPP	M22 x 1.5	3/4-16 UNF	9/16-18 UNF	9/16-18 UNF	–
HC4H-___-__-15	3/8″ BSPP	M22 x 1.5	3/4-16 UNF	9/16-18 UNF	9/16-18 UNF	M12 x 1.5

Max. Tightening Torque BSPP

IN / R	3/8″ BSPP
with steel washer	6.0 da/Nm
with cutting edge	6.0 da/Nm

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MiniBOOSTER Hydraulic Intensifier HC4H 25.0-G