MiniBOOSTER Hydraulic Intensifier HC72W-6.6-G-12

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Product Description

The HC72W – 6.6 – G – 12 is a compact and robust stainless steel 316L miniBOOSTER, capable of achieving pressures up to 2,000 bar while weighing just 2.5 kg/ 5.5 lbs. It’s designed for various applications requiring high-pressure maintenance. Featuring a Pressure Reducing Valve (PRV) and optional orifice, it efficiently controls inlet pressure and reduces flow as per the selected intensification ratio. The integrated PRV ensures stable high pressure, safeguarding the booster and high-pressure tools against excessive pressure, even with fluctuations in tank line pressure.

Additional information

Product specification

HC72W versions: 10 different intensification factors.
PIN: 20 – 207 bar.
PH: 2,000 bar maximum for media > 5 cSt (mm2/s).
PH: 1,035 bar maximum for media < 5 cSt (mm2/s).
PRETURN: As low as possible (return pressure to tank).
POUTLET: PH = (PIN – PRETURN) x intensification factor.
Mounting: Inline tube.
Weight: 2.5 kg/ 5.5 lbs

Model versions

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

Material certificate 6.6 on request

Flow Rates

Intensification Factor i	Max.Intensified Outlet flow i/min	Max. Inlet flow i/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

Function description

The basic operation is illustrated in the function diagram. Media is fed through the directional valve (in the customer system) to the IN port, flowing freely through the PRV (pos. 5) and the internal check valves to the high-pressure side H. When pump pressure is reached on the high-pressure side H, the internal check valves 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

Function diagram HC72W-6.6-G-12

Dimension

Dimension drawing HC72W-6.6-G-12

Connection Types

Connection	IN/R	H1	H2	H3
11	1/4″ BSPP	M22 x 1.5	–	–
12	1/4″ BSPP	M22 x 1.5	9/16-18 UNF	–
13	1/4″ BSPP	M22 x 1.5	9/16-18 UNF	9/16-18 UNF

Ordering an HC72W

Ordering example of an HC72W with i = 6.6, H1 M22 x 1.5 and H2 9/16-18 UNF, DV incorporated and BSPP connections:
HC72W – 6.6 – G – 12 for media < 5 cSt (mm2/s) tested in water HC72W – 6.6 – G – 12 for media > 5 cSt (mm2/s) tested in hydraulic oil

Attention note!

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

Valve pre-setting is required, please specify when ordering the intensifier.

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

Dynamic – low hysteresis: Ordering example of an HC72W with i = 6.6 RV incorporated, H1 M22 x 1.5 and H2 9/16-18 UNF and BSPP connections: HC72W – 6.6 – G – 12.
Fail safe – high hysteresis: The RV valve opening ratio is to be determined on individual basis. Contact our technical support.

Ordering example of an HC72W with i = 6.6 RV with opening ratio x.x incorporated, H1 M22 x 1.5 and H2 9/16-18 UNF and BSPP connections: HC72W – 6.6 – G – x.x – 12.

Model

HC72W

Intensification,

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
1_ = BSPP, media < 5 cSt
1_S = BSPP, media > 5 cSt

Ordering code	IN/R	H1	H2	H3
HC72-___-__-11	1/4″ BSPP	M22 x 1.5	–	–
HC72-___-__-12	1/4″ BSPP	M22 x 1.5	9/16-18 UNF	–
HC72-___-__-13	1/4″ BSPP	M22 x 1.5	9/16-18 UNF	9/16-18 UNF

Max. tightening torque BSPP

	IN / R
	1/4″ BSPP
with stainless steel washer	4.0 da/Nm

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MiniBOOSTER Hydraulic Intensifier HC72W-6.6-G-12