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Self-operated Temperature Regulators · Type 4 Temperature Regulator

Self-operated Temperature Regulators · Type 4 Temperature Regulator
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Self-operated Temperature Regulators · Type 4 Temperature Regulator - 1

T 2025 EN Self-operated Temperature Regulators · Type 4 Temperature Regulator With balanced single-seated globe valve · ANSI version Application Temperature regulator for heating installations · Control thermostats for set points from 15 to 480 °F (–10 to +250 °C) · Valve sizes NPS ½ to 10 (DN 15 to 150) · Pressure rating Class 125 to 300 (PN 16 to 40) · Suitable for temperatures up to 660 °F (350 °C) The valve closes when the temperature rises. The regulators consist of a balanced valve and a control thermostat with temperature sensor, set point adjuster with excess temperature protection, capillary tube, and operating element. Special features –– Low-maintenance proportional regulators requiring no auxiliary energy –– Wide set point range and convenient set point adjustment with a dial –– Single-seated valves with a plug balanced by a stainless steel bellows or a balancing diaphragm (NPS 6 to 10) –– Suitable for liquids, gases, and vapors, especially for heat transfer media, such as water, oil and steam –– Valve body optionally available in cast iron, cast steel, or cast stainless steel –– Versions with double adapter for temperature limiters or attachment of a second control thermostat · Details u T 2036 Versions Type 4 Temperature Regulator · Type 2422 Valve with flanged connections and face-to-face dimensions according to ANSI · Balanced by a bellows (NPS ½ to 10), balanced by a diaphragm (NPS 6 to 10) · Class 125 to 300 · Type 2231 to 2235 Control Thermostat · Further details on the application of control thermostats can be found in Information Sheet u T 2010. –– Type 2422/2231 (Fig. 1) · With Type 2422 Valve and Type 2231 Control Thermostat · Mainly suitable for liquids Set points from 15 to 300 °F (–10 to +150 °C) · Set point adjustment at the sensor –– Type 2422/2232 (Fig. 2) · With Type 2422 Valve and Type 2232 Control Thermostat · Suitable for liquids and steam · Set points from 15 to 480 °F (–10 to +250 °C) Separate set point adjustment Fig. 1: Type 4 Temperature Regulator with Type 2231 Control Thermostat Fig. 2: Type 4 Temperature Regulator with Type 2232 Control Thermostat, version with separate set point adjustment Fig. 3: Type 4 Temperature Regulator with Type 2233 Control Thermostat –– Type 2422/2233 (Fig. 3) · With Type 2422 Valve and Type 2233 Control Thermostat · Suitable for liquids, air, and other gases · Set points from 15 to 300 °F (–10 to +150 °C) · Set point adjustment at the sensor SAMSON AKTIENGESELLSCHAFT · Weismüllerstraße

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Self-operated Temperature Regulators · Type 4 Temperature Regulator - 2

–– Type 2422/2234 · With Type 2422 Valve and Type 2234 Control Thermostat · Suitable for liquids, air, and other gases · Set points from 15 to 480 °F (–10 to +250 °C) Separate set point adjustment –– Type 2422/2235 · With Type 2422 Valve and Type 2235 Control Thermostat · Installation in air-heated storerooms as well as drying, climatic, and heating cabinets · Set points from 15 to 480 °F (–10 to +250 °C) · Separate set point adjustment and a sensor tube to be installed on site Special versions –– 33 or 50 ft (10 or 15 m) capillary tube length –– Sensor of CrNiMo steel –– Capillary tube...

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Table 1.1: Type 2422 Valve, balanced by a bellows 1) Type 2231 and Type 2232 only 2) Other pressure ratings for thermowell/flange on request

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Table 3: Materials • Material numbers according to ASTM and DIN EN Table 3.1: Type 2422 Valve, balanced by a bellows

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Table 4: Time constants of SAMSON thermostats Accessories - Thermowells with threaded or flanged connections for Types 2231 and 2232 Bulb Sensors • 1 NPT threaded connection, Class 300, made of bronze/steel or CrNiMo steel • NPS 1/ flanged connection, Class 300, with thermowell made of CrNiMo steel - Thermowell for flammable gases typetested by DVGW, 1 NPT threaded connection, Class 600. - Mounting parts for Types 2233 and 2234 • Clamps for wall mounting • Perforated cover for thermostat - Extension piece or separating piece • To protect the operating element from inadmissible operating...

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Dimensional drawings: Type 2422 Valve · Balanced by a bellows · With connection for Type 2231 to Type 2235 Thermostat Type 2422 With separate set point adjustment Ø1” (Ø25) Table 5: Dimensions and weights · Type 2422 Valve Table 5.1: Type 2422 Valve, balanced by a bellows Valve size Class 125 Length Class 150 L Class 300 Type ... Thermostat Immersion depth T Only with Type 2231 Thermostat Class 150 +10 %; Class 300 +15 % Larger immersion depths on request Dimensional drawing: Type 2422 Valve · Balanced by a diaphragm · With connection for Types 2231 to 2235 Thermostat H2 Table 5.2: Type...

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Thermowells for Type 2231 and Type 2232 Mounting parts for Type 2233 and Type 2234 Table 6: Thermowells for Type 2231 and Type 2232 Thermowells for Type 2231 and Type 2232 Table 7: Thermowells for flammable gases (Class 600) Extension piece/separating piece Control thermostat Extension piece (standard) Add the dimension L to H and H1 when these accessories are used.

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Ordering text Type 4 Temperature Regulator NPS … (DN …) Class …, body material … With Type ... Thermostat, Set point range … °F (°C), capillary tube length … ft (m) Optionally, special version ... Specifications subject to change without notice

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