SF1K Liquid flow switch
Electromechanical flow switches, suited for pipes of industrial plants: heating and air conditioning, refrigeration systems and heat pumps. Available in brass (suitable for normal media), and stainless steel AISI 316L (compatible with certain aggressive media).
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Specifications
For pipes (diameter) | 1...8" |
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Flow | 0.6…90.8 m3/h |
Media | Normal |
"T" pipe fitting | - |
Max. pressure | 1100 kPa (11 bar) |
Media | Water, Water max. 50% glycol |
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Contacts | Microswitch with switching contacts SPDT |
Switch capacity | 15 (8) A, 24...250 V AC |
Ambient temperature | -40…+85°C |
Ambient humidity | 10...90 % RH (non-condensing) |
Media temperature | -40…+120°C |
Storage temperature | -20…+85°C |
Storage humidity | < 95% RH |
Connection | Standard R1" (DIN 2999) for series SF1 and SF2 |
Material, casing cover | Transparent Polycarbonate (PC) |
Material, casing base | ABS |
Paddles | Stainless steel AISI 316L |
Weight | 950 g |
Dimensions | 140 x 62 x 65mm |
Protection class | IP65 |
Isolation class | I |
Software & documentation
Accessories

DBZ-09
Paddles for liquid flow switch in stainless steel AISI 316L. (Only for FLS304... and FLS350... Not for FLS306X…