PF261 Flameproof Flush Diaphragm Medium Pressure Switch

For applications such as sludge, sewage or mud 

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This range incorporates a 2” flanged 316 st. steel process connection and flush diaphragm for applications such as sludge, sewage, mud or similarly viscous media. This model will provide switching over pressures between 100 mBar and 32 Bar. Single (SPDT) or dual (i.e. DPDT) microswitches are housed in a robust housing sealed to IP66 standards.


  • ATEX/IECEx Certification 
    CE II2G Exd IIB+H2 T6 Ta -60 to +75°C, T5 Ta -60 to +90°C.
    ATEX Dust certification available upon request
    CE Ex II2D ExtD A21 IP66 Ta -50 to +75°C, T100°C Ta +90°C.
  • ANC4B 316 St steel or black anodised aluminium case
  • Internal adjustment scale
  • Pressure settings between 100 mBar and 32 Bar
  • Single or dual microswitches
  • Applications - Sludge, waste water, sewage, mud, slurry or similar thickened media.
  • GOST R Certified option
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Designed for critical measurements in applications where equipment is autoclaved. Compact low profile design. Output remains stable through repeated  autoclave  cylces. Rated NEMA 4X & 6P, IP67 & 69k.      
± 0.04% high performance option;± 0.2% of URL stability guarantee for 12 Years;120:1 rangeability;Span as small as 50 Pa (0.2 inH2O) up to a range limit of 40 MPa (5800 psi);Up to 52 MPa static pressure (7500 psi);



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