Hazardous Location Pressure, Differential Pressure
and Temperature Switches

12 Series
Vibration-resistant, 316 stainless steel Pressure, Differential Pressure and Temperature Switches

12 Series Product Specification
12 Series Customer Drawings
12 Series (Straight & Diff Press) Installation & Maintenance
12 Series (Temp) Installation & Maintenance


Product 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
• 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

120 Series
Rugged, Explosion-proof Pressure, Vacuum, Differential Pressure and Temperature Switches

120 Series Product Specification
120 Series Customer Drawings
120 Series (Temp) Installation & Maintenance
120 Series (Straight & Diff Press) Installation & Maintenance

• Class 1, Divisions 1 & 2, Zone 1
• UL listed, cUL certified, ATEX flame-proof & CE (LVD, PED) compliant; other worldwide hazardous location approvals available
• Dual electrical conduit openings provide mounting flexibility while terminal block provides ease of wiring
• SPDT, DPDT, or dual SPDT switch output
• Variety of pressure sensor materials, including welded stainless steel diaphragms and bellows
• Internal or external set-point adjustment
• Heat trace & freeze protection temperature models
• Adjustable set-point ranges:
  
  • Pressure & Vacuum: 30 ”Hg Vac to 6000 psi
    -1 to 413,7 bar
  • Water Column: 300 “wc Vac to 250 “wc
    -746,7 to 622,3 mbar
  • Differential Pressure: 0.2 “wcd to 500 psid
    0,5 mbar to 34,5 bar
  • Temperature: -180 to 650 ºF
    -117.8 to 343.3 ºC
    
    
    
    

117 Series
Hermetically Sealed Pressure Switches, Vacuum Switches, Differential Pressure Switches and Temperature Switches

117 Series Product Specification
117 Series Customer Drawings
117 Series (Temp) Installation & Maintenance
117 Series (Press) Installation & Maintenance

• Compact design
• Division 2, Enclosure Type 4X
• SPDT or DPDT hermetic switch output
• Terminal block wiring
• Adjustable ranges:
  • Pressure & Vacuum: 30 "Hg Vac to 3500 psi
    1 bar Vac to 241 bar
  • Temperature: -120 to 650 ºF
    -85 to 340ºC
  • Differential Pressure: 0.8” wed to 500 psid
    2 mbar to 34.5 bar
• Approvals: UL, CSA, CENELEC, CE, NACE

NOTE: Hastelloy B & C, Monel, Tantalum wetted parts are available for 120 and 117 Series. Welded bellows and diaphragm sensors are available to assure zero leakage.