MiniBOOSTER Hydraulic Intensifier HC7-9.0-G-U

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Product Description

The HC7 – 9.0 – G – U is a very compact high-pressure unit capable of delivering pressure up to 2,000 bar, weighing only 1.5 kg. It is ideal for use in portable applications like on power packs. Oil from the cylinder will be released directly via T-port to the tank, with a minimum back pressure. The HC7-U raises supplied pressure to a higher outlet pressure and automatically compensates for consumption of oil to maintain the high pressure. Adjustment of the outlet pressure is carried out by varying the supplied pressure. With the choice of different high-pressure adapters, a variety of threads can be obtained from the M22x1.5 thread in the HP port. Higher pressure is available on request.

Additional information

Product Specifications

HC7-F versions: 10 different intensification factors
PIN: 20 – 207 bar
PH: 2,000 bar maximum
PRETURN: As low as possible (return pressure to tank)
POUTLET: PH = (PIN – PRETURN) x intensification factor
Mounting: Inline tube
Weight: 1.5 kg

Model Versions:

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

Material certificate 3.1 on request
HC7-U is designed for applications with cylinders that have weak spring return.

Flow Rate

Intensification factor i	Max. Intensified Outlet Flow (l/min)	Max. Inlet Flow (l/min)
4.0	2.0	14.0
5.0	1.6	14.0
6.6	1.3	13.0
7.6	1.1	13.0
9.0	0.9	13.0
10.3	0.8	12.0
13.0	0.6	12.0
16.0	0.5	12.0
20.0	0.3	12.0
25.0	0.2	12.0

Functions Description

This system’s fundamental operation is depicted in the function diagram. Initially, oil flows through directional valve CV to the IN port, passing through check valves KV1 and KV2 to the high-pressure side H, enabling maximum flow for a swift forward function. Once pump pressure is attained on H, valves KV1, KV2, and DV close. The oscillating pump unit OP then ensures the end pressure is achieved automatically, stalling when the desired high-pressure level is reached. In the presence of a pressure drop due to consumption or leakage, the OP valve automatically activates to sustain the end pressure.

Function Diagram

Function Diagram HC7-9.0-G-U

Dimensions

Dimension drawing HC7-9.0-G-U

Connection Types

Connection	IN / R	T	H
1	1/4″ BSPP	1/4″ BSPP	M22 x 1.5
2	7/16-20″ UNF	7/16-20″ UNF	M22 x 1.5

High-pressure Adapters

HC7-9.0-G-U

Ordering an HC7

Ordering example of an HC7-U with i = 13.0, H1 M22 x 1.5 and H2 9/16-18 UNF, DV incorporated and BSPP connections: HC7 – 13.0 – B – 12U

Attention note!

High-pressure adapter is required, please specify ordering code – see high-pressure adapter table.
High-pressure adapters will be factory mounted.

The G-model is available in 2 variants, when ordering please specify accordingly:

Dynamic – low hysteresis: Ordering example of an HC7-U with i = 13.0 RV incorporated, H1 M22 x 1.5 and H2 9/16-18 UNF and BSPP connections: HC7 – 13.0 – G – 12U
Fail safe – high hysteresis: The RV valve opening ratio is to be determined on individual basis. Contact our technical support. Ordering example of an HC7-U with i = 13.0 RV with opening ratio x.x incorporated, H1 M22 x 1.5 and H2 9/16-18 UNF and BSPP connections: HC7 – 13.0 – G – x.x – 12U.

Model

HC7U

Intensification, i

Select factor
See flow rate table

Model Version.

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

Connections.

Select thread
See table below

Ordering code	IN / R	H1	H2	H3
HC7-___-__-11U	1/4″ BSPP	M22 x 1.5	–	–
HC7-___-__-21U	7/16-20 UNF	M22 x 1.5	–	–
HC7-___-__-12U	1/4″ BSPP	M22 x 1.5	9/16-18 UNF	–
HC7-___-__-22U	7/16-20 UNF	M22 x 1.5	9/16-18 UNF	–
HC7-___-__-13U	1/4″ BSPP	M22 x 1.5	9/16-18 UNF	9/16-18 UNF
HC7-___-__-23U	7/16-20 UNF	M22 x 1.5	9/16-18 UNF	9/16-18 UNF

Max. Tightening Torque BSPP

	IN / R	T
	1/4″ BSPP	1/4″ BSPP
with steel washer	4.0 da/Nm	4.0 da/Nm
with cutting edge	4.0 da/Nm	4.0 da/Nm

Max. tightening torque flange mounting

	IN / R	T
	7/16-20″UNF	9/16-18 UNF
with o-ring	2.0 da/Nm	3.5 da/Nm

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MiniBOOSTER Hydraulic Intensifier HC7-9.0-G-U