Alutal Measure & Trust

12 Series

Vibration-resistant, 316 stainless steel pressure, differential pressure and temperature switches 12 Series hazardous location switches are ideal for operation in tough applications where space is at a premium. A snap-action Belleville spring assembly is used to provide vibration resistance and prolonged switch life. The 316 stainless steel enclosure and hermetically sealed switch provide rugged protection from the environment.

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The product

Approved for use in hazardous locations worldwide, the 12 Series is installed within applications ranging from offshore oil rigs to rotating equipment, and more.

Overview

  • Class 1, Divisions 1 & 2, Zone 1
  • UL listed, cUL certified, ATEX flame-proof & CE (LVD, PED) compliant, dual seal compliance to ANSI/ISA 12.27.01
  • Compact, 316 stainless steel enclosure
  • Available with stainless steel accessories (e.g. junction box)
  • Belleville spring design provides set-point stability and vibration resistance
  • SPDT or DPDT hermetically sealed switches
  • Variety of pressure sensor materials, including welded stainless steel diaphragm
  • Convenient field adjustment through concealed adjustment compartment; optional cover locking ring prevents incidental tampering
  • 72” lead-wire with strain relief provided
  • Adjustable set-point ranges:
    • Pressure: 1 to 12,500 psi
      0,1 to 861,9 bar
    • Differential Pressure: 0.7 “wcd to 150 psid
      1,7 mbar to 10,3 bar
    • Temperature: -130 to 650 ºF
      -90 to 343.3 ºC

Highlights

  • 316 Stainless Steel Construction
  • Hermetically Sealed Micro-switch
  • Belleville Actuated
  • UL, cUL approved and ATEX compliant
  • Dual Seal Certified
  • Adjustable Pressure Ranges:
    • Pressure: 30? Hg Vac to 12,500 psi
      (-1 to 861,9 bar)
    • WC Ranges: -20? wc Vac to 200? wc pressure
      (-49,8 to 497,8 mbar)
    • Differential Pressure: 0.7” wcd to 150 psid
      (1,7 mbar to 10,3 bar)
    • Temperature: -130°F to 650°F
      (-90°C to 340°C)

Dual Seal Certified

  • cUL certified to ANSI/ISA 12.27.01
  • Complies with CEC rule 18-072 and NEC 501.17 requirements for providing a secondary seal between the process and electrical connections, and indication of primary seal failure should one occur
  • Decrease labor time and cost by eliminating externally connected secondary seals
  • Compact and hermetically sealed switch with a 316 stainless steel enclosure. *Dual Seal is Included.
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100%

Energy self-sustainable

+4500

Customers around the world

ISO 9001

Certified since 2006

+5000

Parts delivered monthly

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