Product Identification; Technical Specifications - Holmatro HDC series Betriebsanleitung

2.7 Safety regulations with respect to maintenance
• Wear personal means of protection when performing maintenance tasks.
• Never work in a way that could jeopardize safety.
• Make sure that the equipment cannot roll away or tip over. The control and drive must be switched
off and safeguarded against unexpected activation.
• Make sure that moving parts do not move unexpectedly.
• Used or leaked fluids, and any other products consumed during the activities, must be collected and
disposed of in an environmentally responsible way.
3 Description
3.1 Equipment
The HDC 12 control box is suitable for a maximum system operating pressure of 12 bar.
Two safety valves protect the lifting bags against overload. The safety valve discharges the air at a
pressure of approximately 12.5 bar.
The HDC 8 control box is suitable for a maximum system operating pressure of 8 bar.
Two safety valves protect the lifting bags against overload. The safety valve discharges the air at a
pressure of approximately 8.5 bar.
The control device is equipped with two three-way valves with automatic return to their "0" position,
suitable for operating two lifting bags.
3.1.1 Type designation
Example: HDC 12 J
/i
Digit Example
1-3 HDC
4-5 12
6 J
3.2

Product identification

Refer to Fig. 2.
/i
1 Outlet pressure
2 Inlet pressure
3 Control lever
4 Outlet pressure gauge
3.3

Technical specifications

/i
Item
max. working pressure
weight, ready for use
dimensions (AxBxC)
Refer to Fig. 3
HDC (J)
Description
HDC = Holmatro dual control valve
Type indication
- = Bar type
J = MPA type
Unit
bar (MPa)
psi
kg
lb
mm
in
916.001.459_004
5 Inlet pressure gauge
6 Button for light in gauge
7 Safety valve (not visible)
HDC 8 (J)
8 / 0.8
116
1.8
4
270 x 170 x 52
10.6 x 6.7 x 2
EN
HDC 12 (J)
12 / 1.2
174
1.8
4
270 x 170 x 52
10.6 x 6.7 x 2
25