Samson 2040 Mounting And Operating Instructions

Safety temperature monitor (stm)

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Self-operated Temperature Regulators
Type 2040
Safety Temperature Monitor (STM)
Fig. 1 · Type 2040 Safety Temperature Monitor
Mounting and
Operating Instructions
EB 2090 EN
Edition October 2014

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Table of Contents
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Summary of Contents for Samson 2040

  • Page 1 Self-operated Temperature Regulators Type 2040 Safety Temperature Monitor (STM) Fig. 1 · Type 2040 Safety Temperature Monitor Mounting and Operating Instructions EB 2090 EN Edition October 2014...
  • Page 2: Table Of Contents

    Contents Contents Page Design and principle of operation....4 Installation ....... 6 Set point adjustment .
  • Page 3 The declaration of conformity can be provided on request. TÜV typetesting/EC type examination The Type 2040 Safety Temperature Monitors are typetested by TÜV (German technical surveil- lance association). The test mark is available on request. An EC type examination according to Pressure Equipment Directive 97/23/EC, Module B has been performed on the Type 2040 Safety Temperature Monitor.
  • Page 4: Design And Principle Of Operation

    (4) against the soft-sealed seat (2). As the me- ation dium temperature drops, the plug moves in The Type 2040 Safety Temperature Monitor the closing direction, restricting the medium protects downstream plants against exces- flow. If the medium temperature drops fur-...
  • Page 5 Set point adjuster 3.1 Cap 3.2 Lock nut Positioning spring Tubular plug Temperature sensor Connection nut with spherical liner (accessories) Connection nut with flat gasket (accessories) Fig. 3 · Functional diagram of Type 2040 Safety Temperature Monitor EB 2090 EN...
  • Page 6: Installation

    Installation Installation The following points generally apply: Connection fittings (accessories) must be pro- The regulator can be installed in any de- vided at the site of installation. sired position The direction of flow must match the ar- row on the valve body Note! Do not install the regulator directly next to an air vaporizer.
  • Page 7: New Adjustment

    Set point adjustment Use the adjustment diagram (Fig. 4) as a Secure setting, if necessary, with sealing guide to change the set point temperature wire through the holes in the cap and from the default setting. One turn of the set valve.
  • Page 8: Maintenance

    When returning regulators for oxygen service units (shut-off valves, pressure gauges to SAMSON for repair, the sender is respon- etc.) sible for ensuring that the regulators are han- dled in conformance with the specifications in the German regulation VBG 62 or equivalent regulations until receipt at SAMSON.
  • Page 9: Dimensions

    Dimensions Dimensions L1± ± L3 ± ± Connecting parts with spherical liner Connecting parts with flat gasket Soldering nipple (brass) Welding ends (stainless steel) Dimensions in mm DN 15 DN 25 Dimensions in mm DN 15 DN 25 ∅ d For pipe ∅...
  • Page 10: Technical Data

    Technical data Technical data Table 1 · Technical data · All pressures in bar (gauge) Type 2040 Safety Temperature Monitor Body connection G 1¼ (see Fig. 4 for connecting parts) coefficient –30 °C to +10 °C Set point ranges –45 °C to –10 °C Max.
  • Page 11: Nameplate

    Nameplate Nameplate Laser inscription on the regulator body Set point temperature with unit Flow of direction Production number: 3- ... Model number with modification index Valve coefficient K Test mark Keep regulator free of oil and grease Omitted at a set point temperature between –31 °C and –45 °C Fig.
  • Page 12 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main · Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 2090 EN Internet: http://www.samson.de...

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