SF

Description

Flow control of water and aggressive media (depending on model). Alarm signal of flow shortage. Available in brass, suitable for normal media, and in stainless steel AISI316L for aggressive media.

Well-suited in pipes of general industrial plants:

• heating and air conditioning systems
• refrigeration systems
• heat pumps.

Tecnical description

• Contacts: dust-tight microswitch with switching contacts SPDT
• Switch capacity: 15 (8) A, 24…250 Vac
• Working: -40…+85 °C, 10…90% r.h. (without condensing)
• Max liquid temperature: -40…+120 °C
• Max pressure: 11 bar (SF2: 30 bar)
• Flow rate: see flow rate schedule 1-2-3
• Connection: standard R1“ (DIN 2999) for series SF1 and SF2
• Body: see schedule above
• Paddles: stainless steel AISI 316L
• Housing: Base in ABS, transparent PC cover
• Storage: -40…+85 °C, < 95% r.h.
• Protection: IP65, class I
• Size: 140 x 62 x 65 mm
• Weight: 950 g