Samson 44-6 B Mounting And Operating Instructions
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Samson 44-6 B Mounting And Operating Instructions

Self-operated pressure regulators excess pressure valve
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Self-operated Pressure Regulators
Type 44-6 B · Excess Pressure Valve
Type 44-6 B Excess Pressure Valve,
red brass body
Type 44-6 B Excess Pressure Valve,
stainless steel body
Mounting and
Operating Instructions
EB 2626-2 EN
Edition November 2010

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  • Page 1 Self-operated Pressure Regulators Type 44-6 B · Excess Pressure Valve Type 44-6 B Excess Pressure Valve, Type 44-6 B Excess Pressure Valve, red brass body stainless steel body Mounting and Operating Instructions EB 2626-2 EN Edition November 2010...

  • Page 2: Table Of Contents

    Contents Page Contents Design and principle of operation ..... . 4 Process medium, application range ..... 4 Installation .
  • Page 3 Safety instructions General safety instructions Observe the following instructions on installation, start-up and operation of the regulator for your own safety: The regulator is to be mounted, started up or serviced by fully trained and qual- ified personnel only, observing the accepted industry codes and practices. Make sure employees or third persons are not exposed to any danger.

  • Page 4: Design And Principle Of Operation

    ≥ 150 °C (see photo) Process medium, application range NOTICE Type 44-6 B Excess Pressure Valve for gases, Make sure no overheating occurs at the place liquids and steam of installation due to excessive ambient tem- Max. permissible temperatures: peratures or insufficient heat dissipation.
  • Page 5 (DN 40 and 50) and 8 to 20 bar set point range · Screw plug SW 3 or 5 hexagon socket screw (spheroidal 11.1 Sealing ring graphite iron) Fig. 1 · Design and principle of operation, Type 44-6 B EB 2626-2 EN...

  • Page 6: Strainer

    Shut-off valve Upstream pressure gauge Strainer Type 44-6 B Excess Pressure Valve Downstream pressure gauge Fig. 2 · Sample installation scheme EB 2626-2 EN...

  • Page 7: Operation

    Operation Operation Version with stainless steel or spheroidal graphite iron body (DN 40 and 50) and 8 to Start-up 20 bar set point range: 1. Loosen the lock nut. CAUTION! 2. Adjust the set point by turning the set Do not start up the regulator before all com- point screw (9) clockwise or counter- ponents have been installed.

  • Page 8: Maintenance And Troubleshooting

    Note! Refer to Spare Parts List EL 2626 for Fig. 3 · Socket wrench as special tool original spare parts to be ordered from SAMSON (refer to section 6). 1. Relieve the set point spring (7) by turn- ing the set point adjuster (8/9) counter-...

  • Page 9: Replacing The Operating Bellows

    Maintenance and troubleshooting Replacing the operating bel- CAUTION! lows Be careful when loosening the screws as the Also see Fig. 1 on page 5. set point spring is still slightly pretensioned. 1. Relieve the set point spring (7) by turn- 2.
  • Page 10 In such cases, check the installation conditions, pro- cess medium, temperature and pressure conditions. A thorough analysis may require the on-site assistance of the SAMSON After-sales Service staff (refer to section 6). EB 2626-2 EN...

  • Page 11: Nameplate

    If malfunctions or defects occur, contact the SAMSON After-sales Service for support. The address of SAMSON AG, its subsidiaries, representatives and service facilities worldwide can be found on the Internet at www.samson.de, in a SAMSON product catalog or on the back of these mounting and operating instructions.

  • Page 12: Technical Data

    Technical data Technical data Table 2 · Technical data · All pressures in bar (gauge) Type 44-6 B Excess Pressure Valve Body Stainl. steel/red brass body G ½, G ¾, G 1 female thread connection Stainless steel body DN 15 and 25 flanges Sph.

  • Page 13: Dimensions And Weights

    Dimensions and weights Dimensions and weights Threaded body Stainless steel Red brass (205) (205) Dimensions in paren- theses () apply to 8 to 20 bar set point range Ø90 SW 3 hexagon socket Ø90 Set point adjusted on hexagon socket screw with 8 to 20 bar set point range Regulator with threaded body ·...
  • Page 14 Dimensions and weights Flanged body Stainless steel Spheroidal graphite iron SW 3 hexagon socket Version in DN 15 and 25 with manual adjuster · DN 40 and 50 as well as 8 to 20 bar set point range with adjustment screw (SW 5 hexagon socket) Regulator with flanged body ·...
  • Page 16 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main · Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 2626-2 EN Internet: http://www.samson.de...

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