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Linear hydraulic actuator

Our hydraulic linear actuator are for use for valves as stop valve or SDNR valve.

They are designed with fail-safe function, manual operation device and remote override function.

 

Product features:

• linear actuator

• single acting spring closed

• with manual emergency operation device

• easy manual opening without force

   of spring

• low maintenance

• compact design

• local position indicator

• low costs

• the actuators are produced in Germany

• satisfies all requirements by major

   approval authorities

• chemical nickel plated 35 µm

 

Options:

• electric limit switches IP 68

• electric limit switches Eex, IP 67

• proximity switches IP 68

• position indication by volume indicator

• position indication by pressure switches

• various control blocks

• electro-hydraulic aggregate

     

Hydraulic part-turn actuators

Our new hydraulic rotary actuators for 90°-quarter turn valves are designed by our own construction department and manufactured on our own. They are build for a long lifetime and maintenance-free operation.

 

The main advantages are:

 

• compact design and low weight

• constant torque-output

• modular design allows upgrade

   from hydraulic-acting to spring-acting

   and reverse

• various installation positions

• adjustable rotary limit

• no damage to oil pipes due to

   internal system piping

• same hydraulic connection over whole type series

• same hydraulic-control blocks for all sizes

• combined flanges acc. to ISO 5211

• NAMUR-connection for installation of all common limit switches /

   position indicators

• emergency handoperation through additional handpump

   via quick coupling at the control block

• SHA/DA-32 up to SHA/DA-63 with single piston,

   SHA/DA-70 with double piston

 

Furthermore our hydraulic actuators are available in following special designs:

 

• with limit switch boxes: e.g. IP67, IP68, Ex

• spring closed / spring opened

• with emergency handoperation by intermediate gear box

• with application-specific control blocks

• direct connection to hydraulic local power unit

• separate installation of the control block

• operation in medium

   

You are searching for furthermore designs, working pressures or temperature ranges ?

 

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