Flanged pressure switch for installations that formerly required a chemical seal with fill fluids. Reliable Nega-Rate® Belleville disc spring sensing mechanism. Redundant seals with venting between seals for alarm or indication. 316 stainless steel body and hermetically sealed, explosion-proof electrical assembly well suited for hazardous or corrosive atmospheres.
Specifications
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Electrical: Snap action electrical switch assembly listed by Underwriters’ Laboratories, Inc., FM Approval and CSA International
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Electrical Connection: 1/2 NPT male conduit connection with PVC insulated 18 AWG, 18” long leads
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Pressure Connection:
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1 inch, 1/16 raised face flange per ANSI
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B 16.5 - 1998
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Class 150 (150#)
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Class 300 (300#)
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Note: Customer responsible for gasket selection and installation. (Refer to Installation and Operating Instructions supplied with switch)
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Temperature Range*:
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Ambient: -40°F to +180°F (-40°C to +82°C)
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Media: -40°F to +250°F (-40°C to +121°C)
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Adjustment: Internal, slotted adjustment with range scale
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Shipping Weight: Approximately 4.5 pounds
*Limited by gasket material selected
