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Summary of Contents for Samson Type 2488
- Page 1 Flow Regulators with Electric Actuator Type 2488/5824 and Type 2488/5825 Fig. 1 · Type 2488/5824 Flow Regulator with Electric Actuator Mounting and Operating Instructions EB 3135-1 EN Edition June 2008...
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Page 2: Table Of Contents
Contents Contents Page Design and principle of operation ....4 Installation ....... 4 Mounting position . - Page 3 General safety instructions General safety instructions The flow regulator must be installed, started up, and serviced only by skilled or semi-skilled staff in accordance with good engineering practice so that employees and third persons are not exposed to danger. All safety instructions and warnings given in these mounting and operating instructions, particularly those concerning installation, start-up, and maintenance, must be strictly observed.
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Page 4: Design And Principle Of Operation
Design and principle of Installation operation Mounting position The device combines a Type 2488 Flow Reg- ulator with a force-locking Type 5824 Actua- Install the regulator in a horizontal pipeline. tor or a force-locking Type 5825 Electric Ac- Make sure the direction of flow corresponds tuator with fail-safe action. - Page 5 Installation DN 15 to 25, PN 25 Legend Valve body Seat Guide nipple with plug assembly Plug stem Positioning spring Diaphragm actuator Operating diaphragm 10.1 Screws 10.2 Control line Adapter Orifice stem Set point adjuster Adjustment screw Lead-sealed hole Orifice (restriction) Electric actuator 10.1 Actuator stem 10.2 Coupling nut...
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Page 6: Additional Installation Instructions
Operation Make sure that the medium flow corresponds tor, prevent the diaphragm actuator from be- with the direction indicated by the arrow on ing damaged by the test pressure by using a the strainer body. Install the strainer with the test pressure which does not exceed the max- imum permissible differential pressure Δp of filter element suspended downwards. -
Page 7: Adjustment With Type 5824 Actuator
Operation 3.2.2 Adjustment with Type 5824 3.2.3 Adjustment with Type 5825 Actuator Actuator 1. Retract the actuator stem by turning the 1. Switch the control device to manual mode handwheel counterclockwise or by and change the control signal to retract applying a corresponding control signal the actuator stem all the way and com- from the control device. -
Page 8: Maintenance-Replacing Parts
Maintenance–Replacing parts If the valve does not close tightly, this may be If there is no control signal, the actuator caused by a dirty seat and plug or due to can be adjusted manually. For manual natural wear. adjustment, remove the front case cover. Insert a 4 mm hex wrench into the red If the flow rate deviates considerably from actuating shaft and turn it. -
Page 9: Cleaning Or Replacing The Plug
Nameplate Cleaning or replacing the plug Replacing the diaphragm 1. Unscrew the coupling nut and remove the 1. Unscrew the coupling nut and remove the actuator from the valve. actuator from the valve. 2. Unscrew the control line (7). 2. Unscrew the control line (7). 3. -
Page 10: Troubleshooting
Control line blocked Remove and clean control line. Flow set point Incorrect set point range Check set point range and contact SAMSON. not reached selected Safety device, e.g. pressure Check plant, unlock safety device. regulator, has been... -
Page 11: Dimensions And Weights
Dimensions and weights Dimensions and weights Nominal size DN 21.3 26.8 32.7 Pipe external Ø d Connection R G ¾ G 1¼ G 1¾ G 2½ Width across flats SW Length L Height H Height H1 PN 25 PN 16 –... -
Page 12: Eb 3135-1 En
SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main · Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 3135-1 EN Internet: http://www.samson.de...
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