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Hydraulic systems

Design, project work and delivery of hydraulic units executed according to your specifications for all fields of application including installation, starting and maintenance

HYDRO-DRIVE ASSEMBLIES
TYPE HA-160-6,0-6,0-190/2,2-2,2-400V/Ex

Application:
Hydraulic actuation of respectively two control valves (medium: gas) per hydro-drive assembly
Execution with quick-opening (with the help of a spring) in 0.1 sec.)
Arrangement of design regarding intermittent operation and continuous adjustment (stroke time about 0.3 sec.)
Execution of the complete hydro-drive assembly in explosion-protection

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HYDRO-DRIVE ASSEMBLY
TYPE HA-160-3,0-3,0-190/1,1-1,1-400V

Application:
Hydraulic actuation of one reducing valve with a nozzleinjection control valve and a check valve
Execution with quick-opening (hydraulically)
Arrangement of design regarding intermittent operation and step-by-step-adjustment

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HYDRO-DRIVE ASSEMBLIES
TYPE HA-63-1,5-190/0,55-400V and HA-63-3,0-190/1,1-400V


Application:
Hydraulic actuation of respectively one control valves per hydro-drive assembly
Arrangement of design regarding intermittent operation and continuous adjustment with quick-opening (hydraulically)

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Example of a hydraulic unit, installed in a power plant:
HYDRO-DRIVE ASSEMBLY with HYDRAULIC CYLINDERS 

in the power plant Dieselstraße in Halle (Germany)
TYPE HA-160-4,5-4,5-190/1,5-1,5-400V

Application:
Hydraulic actuation of two reducing valves with respectively one injection control valve
Execution with quick-closing (with a help of a spring)
Arrangement of design regarding intermittent operation and continous adjustment

Execution of the cylinders:

  •  single acting with damping in full home position

  •  with ultrasonic position measuring system

Hydraulikstation

OPERATIONAL CONTROL BLOCK
for the hydraulic actuation of control valves in power plants

Arrangement of design as two-fold servo control for intermittent operation as well as for serperate hydraulic supply of main and safety phase winding

Abundant motor double pump units

Funktionssteuerblock

Hydraulic units TRD421

HYDRO-DRIVE ASSEMBLY
TYPE HA-160-4,5-4,5-190/1,5-,1,5-400V

Application:
Hydraulic actuation of one control valve
Execution with quick-closing (witk the help of the a spring) according to SR-safety regulations (TRD 421; AD-Merkblatt 2)
Arrangement of design regarding intermittent operation and step-by-step-adjustment
Execution of the cylinders:

  •  single acting

  •  with ultrasonic position measuring system


Execution of the steam testing unit:

  •  with lockable check valves

  •  without electric test arrangement

  •  with mechanical pressure switches

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HYDRO-DRIVE ASSEMBLY 

TYPE HA-400-3,0-3,0-190/1,1-,1,1-400V
Application:
Hydraulic actuation of respectively two reducing valves per hydro-drive assembly with respectively one injection control valve
Execution with quick-closing (with the help of a spring) according to SR-safety regulations (TRD 421; AD-Merkblatt 2) and additional quick-opening (hydraulically)
Arrangement of design regarding intermittent operation and step-by-step-adjustment

STEAM TESTING UNITS
Execution:

  •  with lockable check valves

  •  without electric test arrangement

  •  with mechanical pressure switches

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Some examples by executed hydro-drive assemblies:

TYPE HA-400-21,0-21,0-195/7,5-7,5-400V and HA-400-28,5-28,5-195/11,0-11,0-400V


Application:
Hydraulic actuation of respectively two reducing valves per hydro-drive assembly with respectively one injection control valve
Execution with quick-closing (with the help of a spring) according to SR-safety regulations (TRD 421; AD-Merkblatt 2) and additional quick-opening (hydraulically)

Arrangement of design regarding intermittent operation and continuous adjustment

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pertinent STEAM TESTING UNITS
Execution:

  •  with lockable check valves

  •  with electric test arrangement

  •  with mechanical pressure switches

  •  all components are installed in a cabinet

Dampfprüfstock

HYDRO-DRIVE ASSEMBLIES
TYPE HA-630-16,5-16,5-16,5-16,5-200/7,5-7,5-7,5-7,5-400V

Application:
Hydraulic actuation of respectively three reducing valves per hydro-drive assenbly with respectively one injection control valve and one check valve
Execution with quick-closing (with the help of a spring) according to SR-safety regulations (TRD 421; AD-Merkblatt 2) and additional quick-opening (hydraulically)
Arrangement of design regarding intermittent operation and continuous adjustment

Execution of the oil tank with a deviding wall (double-tank) with respectively two motorpump units and a high pressure double filter per tank-half.

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SAFETY BLOCK NG 16 to NG 40

Control of safety valves to SR-safety regulations
(TRD 421 or AD-Merkblatt 2)

Cartridge valves alternatively with lift stop or with switch position surveillance

Steuerung nach TRD 421

STEAM TESTING UNIT


Execution:

  •  with lockable check valves

  •  with or without electric test arrangement

  •  alternatively with electric or mechanical pressure switches

  •  alternatively with separate frame-stand for floor installation or with frame for wall - installation

Example:
Steam testing unit with mechanical pressure switches, without electric test arrangement and with separate frame-stand for floor installation

Dampfprüfstock

HYDRO-DRIVE ASSEMBLY with STEAM TESTING UNIT and HYDRAULIC CYLINDERS in the power plant Wiesengrund in Eisenach (Germany)
TYPE HA-250-3,0-3,0-190/1,1-1,1-400V

Application:
Hydraulic actuation of one reducing valve with a nozzle injection control valve and a check valve

Execution with quick-closing (with the help of a spring) according to SR-safety regulations (TRD 421; AD-Merkblatt 2) and additional quick-opening (hydraulically)

Arrangement of design regarding intermittent operation and step-by-step-adjustment

Execution of the cylinders:
 

  •  single acting with damping in full home position

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