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Samson 45-6 Mounting And Operating Instructions

Differential pressure regulator
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Differential Pressure Regulator
Type 45-6
Type 45-6 (0.1 to 1 bar, DN 15)
Mounting and
Operating Instructions
EB 3226 EN
Edition March 2008

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  • Page 1 Differential Pressure Regulator Type 45-6 Type 45-6 (0.1 to 1 bar, DN 15) Mounting and Operating Instructions EB 3226 EN Edition March 2008...

  • Page 2: Table Of Contents

    Dimensions and weights ..... . . 11 Note! These Mounting and Operating Instructions EB 3226 EN refer to the Type 45-6 Differential Pressure Regulator manufactured from July 2005 onward (0075, see nameplate).
  • Page 3 Safety instructions General safety instructions The differential pressure regulator must be installed, started up and serviced 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.

  • Page 4: Design And Principle Of Operation

    Valve plug 32 to 50 32 to 50 Screw ferrule 15 to 32 Screw Type 45-6 with screwed ends Manual adjuster 40 to 50 (DN 40/50) (0.1 to 1 bar, DN 15 to 32) Control line turned into plane of projection.

  • Page 5: Installation

    (10). and especially the tight shut-off, a strainer The principle of operation described above (e.g. SAMSON Type 1NI) must be installed also applies to regulators with a manual ad- upstream of the differential pressure regula- juster (0.1 to 1 bar, DN 15 to 32).

  • Page 6: Shut-Off Valves, Gauges

    Operation Turn the adjuster clockwise to increase Shut-off valves, gauges the differential pressure. We recommend the installation of hand-op- Turn the adjuster counterclockwise to erated shut-off valves both upstream of the reduce the differential pressure. strainer and downstream of the regulator. In the case of regulators with set point This allows the plant to be shut down for ranges from 0.1 to 1 bar in sizes DN 15 to...

  • Page 7: Maintenance - Replacing Parts

    4. Loosen body screws (7) and remove ac- of the information specified in the table, tuator. contact SAMSON. In order to replace the 5. Unscrew plug nut (3.1) and remove plug and operating diaphragm, proceed as valve plug (3) from plug stem.

  • Page 8: Replacing The Diaphragm

    Caution! The positioning springs are pre-loaded. Take appropriate precautionary measures: if necessary, make a disassembly tool or use SAMSON’s disassembly tool 9129-2747. 1. Disassemble positioning springs (8). 2. Unscrew control line (11). 3. Loosen screws (7) and lift off actuator.

  • Page 9: Troubleshooting

    Seat and plug untight Remove valve, clean seat and plug. If neces- exceeded sary, replace plug (section 4.1). Otherwise, return the device to SAMSON for repair. Operating diaphragm Replace diaphragm (section 4.2) or return defective the device to SAMSON for repair.

  • Page 10: Nameplate

    Nameplate Nameplate Customer inquiries In case of inquiries, please submit the fol- lowing details: Regulator type and nominal size Thread or flange connection Model number Upstream and downstream pressures Flow rate in m Model number Configuration ID Has a strainer been installed? Year of manufacture Installation diagram Type designation...

  • Page 11: Dimensions And Weights

    Dimensions and weights Dimensions and weights ØD ØD Type 45-6 with connection nuts Type 45-6 Type 45-6 with flanged body with welding ends, DN 40/50 Manual adjuster with scale (standard version) (0.1 to 1 bar/DN 15 to 32) Connection nuts...
  • Page 12 Dimensions and weights Nominal size DN Inside pipe diameter d 21.3 26.8 32.7 Connection D G ¾ G 1¼ G 1¾ G 2½ Width across flats SW Length L Height H Height H1 Height H2 Height H3 Diameter D Welding ends L1 Weight appr.
  • Page 13 EB 3226 EN...
  • Page 14 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main · Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 3226 EN Internet: http://www.samson.de...

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