Table of Contents
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Table of Contents
Summary of Contents for HAWE Hydraulik DG 1 R
- Page 1 Pressure switch type DG Pressure switch type DG Product documentation Product documentation Piston-type pressure switch Piston-type pressure switch Operating pressure p Operating pressure p 700 bar 700 bar D 5440 D 5440 10-2020 - 1.1 10-2020-1.1...
- Page 2 Brand names, product names and trademarks are not specifically indicated. In particular with regard to registered and protected names and trademarks, usage is subject to legal provisions. HAWE Hydraulik respects these legal provisions in all cases. Printing date / document generated on: 04.11.2020 ©...
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Page 3: Table Of Contents
Assembly information............................17 5.2.1 Preparing the base plate for DG 3........................17 Operating instructions............................18 Maintenance information............................. 18 Adjustability and switching pressure........................19 Other information.............................20 Accessories, spare parts and separate components....................20 © HAWE Hydraulik SE D 5440 - 10-2020-1.1 3/21... -
Page 4: Overview Of Pressure Switch Type Dg
Option of integration into the HAWE modular system ■ Operating pressures up to 1000 bar Intended applications: ■ General hydraulic systems ■ Machine tools Pressure switch type DG 1 Pressure switch type DG 3 © HAWE Hydraulik SE 4/21 D 5440 - 10-2020-1.1... -
Page 5: Available Versions, Main Data
"Table 3" Low-temperature seal con gurable only with DG 35 -X. and DG 364 -X. Their micro switches are installed with gold contacts. Electrical connection "Table 2" Basic type "Table 1" © HAWE Hydraulik SE D 5440 - 10-2020-1.1 5/21... - Page 6 Coding Version No designation - Turn knob for DG 1 R(S), DG 1 RF(S) - Adjusting screw for DG 3.. - DG 35.. - KB and DG 364..- KB with gold contacts only have an adjusting screw only DG 3.. : Adjustable by hand (wing bolt and wing nut) only DG 3..
- Page 7 Table 4 Hydraulic connection Suitable for DG 1 R.. For combination with various ttings, see D 7065 Coding Connection type No designation Directly using a type-B pipe screw connection in accordance with DIN 3852-2 G 1/4 or G 1/2 A connection thread (ISO 228-1 (BSPP)) With union nut DIN 16283 (pressure gauge screw tting, e.g.
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Page 8: Parameters
DG 3: Zinc die casting housing Tightening torques Chapter 4, "Dimensions" Installation position DG 1 R.. = Vertical, sideways scale, hydraulic part at the bottom DG 3.. = As desired Hydraulic uid Hydraulic oil: according to part 1 to 3;... - Page 9 Weight Type DG 1 R.. = 1.3 kg DG 33 = 0.3 kg DG 34 = 0.3 kg DG 35 = 0.3 kg DG 36 = 0.3 kg DG 364 = 0.3 kg DG 365 = 0.3 kg DG 3.. - 1/4 = 0.4 kg...
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Page 10: Electrical Data
Reference values approx. 2000 switching operations/h max. (roughly equally distributed). Note the number of possible switching cycles; see below. Switching accuracy * 2 to 3% (repeat accuracy for increasing pressure!) Electrical connection DG 1 R DG 1 RS DG 3. -S DG 1 RF... - Page 11 Switching current I To ensure a safe contact, the current must not fall below certain minimum values: 24 V DC = I = 5 mA 12 V DC = I = 100 mA © HAWE Hydraulik SE D 5440 - 10-2020-1.1 11/21...
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Page 12: Dimensions
Dimensions All dimensions in mm, subject to change. DG 1 R Cable fitting PG 9 Ground connection Actuation cylinder Scale housing Setting knob for main switch NOTE For types DG 1.., the scale housing > must not be twisted relative to the hex (width across ats 27) = for functional-technical... - Page 13 For types DG 1.., the scale housing > must not be twisted relative to the hex (width across ats 27) = for functional-technical reasons! DG 1 RFS (DG 1 RUFS) Line connector can be mounted offset by 4x90° © HAWE Hydraulik SE D 5440 - 10-2020-1.1 13/21...
- Page 14 Base plate hole pattern DG 3.. Series (adjustment device without designation) Hydraulic connection Plug can be mounted offset by 4x90° Sealing option Sealing with O-ring DG 3..X DG 3..M Light ring (yellow) © HAWE Hydraulik SE 14/21 D 5440 - 10-2020-1.1...
- Page 15 DG 3..S DG 3..AMP Bayonet PA 6 (Schlemmer) Adjustment No designation Coding V Coding H Coding R Wing bolt Turn knob Wing nut Turn knob © HAWE Hydraulik SE D 5440 - 10-2020-1.1 15/21...
- Page 16 Pipe connection with EO progressive ring Pipe connection pieces and union nut DG 3.. can be rotated in any direction around the pipe axis after loosening the clamping plate (by loosening M4). © HAWE Hydraulik SE 16/21 D 5440 - 10-2020-1.1...
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Page 17: Assembly, Operation And Maintenance Recommendations
Risk of serious injury or death. ■ Depressurise the hydraulic system. ■ Perform safety measures in preparation for maintenance. 5.2.1 Preparing the base plate for DG 3 See description in Chapter 4, "Dimensions". © HAWE Hydraulik SE D 5440 - 10-2020-1.1 17/21... -
Page 18: Operating Instructions
Conduct a visual inspection at regular intervals, but at least once per year, to check if the hydraulic connections are damaged. If external leakages are found, shut down and repair the system. Clean the device surface of dust deposits and dirt at regular intervals, but at least once per year. © HAWE Hydraulik SE 18/21 D 5440 - 10-2020-1.1... -
Page 19: Adjustability And Switching Pressure
(bar); s adjustment dimension (mm) ■ DG 1 R..: Using a setting knob on the pressure selection scale (there may be slight deviations between the scale value and the pressure value measured with the pressure gauge). ■... -
Page 20: Other Information
Angled plug for bayonet PA6 7846 010 A Straight plug for bayonet PA6 7846 010 B Coding Description Kostel, 03888005 Schlemmer, cone with bayonet 10 SL AMP, AMP Junior 2-pole code number 1 © HAWE Hydraulik SE 20/21 D 5440 - 10-2020-1.1... - Page 21 ■ Electronic pressure transducer type DT 11: D 5440 T/2 HAWE Hydraulik SE Einsteinring 17 | 85609 Aschheim/Munich | Postfach 11 55 | 85605 Aschheim | Germany Tel +49 89 379100-1000 | Fax +49 89 379100-91000 | info@hawe.de | www.hawe.com...