For intrinsically safe (IS) applications, we recommend
ordering micro switches with gold plated contact surface,
which are better suited for the voltage and current limitations
in the Ex- regulations. As an option, hermetically sealed
micro switches are available (1HM1)
Protection Class:
Control Unit: IP43 (NEMA 3R), standard
IP65 (NEMA 4x), optional
Degreased and powder coated aluminum alloy or brushed
stainless steel.
Material; Diaphragm and pipe section:
Type GL: De-zincificated brass, CW602N, EN12420
Type GSS: Seaworthy stainless steel 1.4470
Type FA: Housing: De-zincificated brass, CW602N, EN12420
Pipe section: Powder coated (2022009697096) steel, 1.0060/
E335 / SS1650.
Type FSS: Housing: Seaworthy stainless steel 1.4470
Pipe section: Stainless steel 1.4435
Material
diaphragm: Textile reinforced Hydrated Nitrile rubber (HNBR), standard
on all models except stainless steel.
Textile reinforced EPDM rubber, optional for all models
Textile reinforced Fluorinated rubber, FPM, standard in stain-
less steel models, optional for others.
Material, O-rings
and other
soft parts: Follows the Diaphragm materials.
Spacer: GL pipe sections: Polyamide plastic (PA) (-10°C - +120°C).
FA pipe sections:
DN15-100 Polyamide plastic (-10°C - +120°C).
DN 125-400 Stainless steel EN1.4404 (ASTM316L).
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