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Liquid Indicators & Moisture-Liquid Indicators

Liquid Indicators & Moisture-Liquid Indicators
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Liquid Indicators & Moisture-Liquid Indicators

78 CONSTRUCTION New liquid indicators, series 38, and new liquid/moisture indicators, series 39, are manufactured in a total hermetic construction to avoid any possible refigerant leaks. The glass “lens”, with its proper gasket, is housed into the brass body and is fixed in this seat with an edge calking operation. The main parts of the indicators are made with the following materials: – hot forged brass EN 12420 – CW 617N for body; – copper tube EN 12735-1 – Cu-DHP for solder connections; – Glass for lens; – PTFE for outlet seal gaskets; Liquid/moisture indicators series 3770, 3771, 3780...

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Liquid Indicators & Moisture-Liquid Indicators - 3

79 TABLE 2: General Characteristics of liquid indicators Catalogue number Type SAE Flare RIsk Category according to PED ODS PS [bar] TS [°C] Ø [mm] max. Ø [in.] min. Art. 3.3 Connections malemale soldering malefemale 3810/22 3810/33 3810/44 3810/55 3810/66 3840/2 3840/3 3840/M10 3840/M12 3840/4 3840/5 3840/M18 3840/6 3840/7 3840/9 3850/22 3850/33 3850/44 3850/55 3850/66 1/4" 3/8" 1/2" 5/8" 3/4" – – – – – – – – – – 1/4" 3/8" 1/2" 5/8" 3/4 – – – – – 1/4" 3/8" – – 1/2" 5/8" – 3/4" 7/8" 1.1/8" – – – – – – – – – – – – 10 12 – 16 18 – 22 – – – – – – – 30 +110 45 achieve equilibrium. However, the...

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