12 Series Overview
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. Approved for use in hazardous locations worldwide, the 12 Series
is installed within applications ranging from offshore oil rigs to rotating
equipment, and more.
Product
Overview
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Class
1, Divisions 1 & 2, Zone 1
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UL
listed, cUL certified, ATEX flame-proof & CE (LVD, PED) compliant, dual seal compliance to ANSI/ISA 12.27.01
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Compact, 316 stainless steel enclosure
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Belleville spring design provides set-point stability and vibration
resistance
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SPDT or
DPDT hermetically sealed switches
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Variety
of pressure sensor materials, including welded stainless steel diaphragm
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Convenient field adjustment through concealed adjustment compartment; optional
cover locking ring prevents incidental tampering
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72”
lead-wire with strain relief providedt
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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
Features
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316 Stainless Steel Construction
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Hermetically Sealed Micro-switch
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Belleville Actuated
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UL, cUL
approved and ATEX compliant
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Dual
Seal Certified
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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)