Big Hermet – Explosion Proof Differential Pressure Switch
Models: Big Hermet, 101/12/BL
Ranges: 3 to 500 psid
Certifications: Unit: SIL2, UL/CSASnap Switch: UL/CSA, TestSafe (SAA)
Warranty: 3 Years (pdf) (opens in a new tab)
Differential Pressure Switches
Big Hermet – Hermetically Sealed Differential Pressure Switch
Models: Big Hermet
Ranges: 3 to 500 psid
Certifications: Unit: SIL2 Snap Switch: UL/CSA, TestSafe (SAA)
Warranty: 3 Years (pdf) (opens in a new tab)
Dual Opposed Diaphragm – Explosion Proof Differential Pressure Switch
Models: S Housing
Ranges: 0.5 to 1000 psid
Certifications: Unit: SIL2, UL: (as an outlet box)
Warranty: 3 Years (pdf) (opens in a new tab)
High Static Operation – Explosion Proof Differential Pressure Switch
Models: 102AD, 103AD
Ranges: 7 in wc to 2500 psid, 18 mbar to 175 bar
Certifications: Unit: ATEX, CSA, INMETRO, SIL2, IECEx, UKCASnap Switch: ATEX, TestSafe (SSA), UL/CSA, UKCA
Warranty: 3 Years (pdf) (opens in a new tab)
High Static Operation – Hermetically Sealed Differential Pressure Switch
Models: 102AD, 103AD
Ranges: 7 in wcd to 2500 psid, 18 mbar to 175 bar
Certifications: Unit: SIL2Snap Switch: ATEX, UL/CSA, TestSafe (SAA), UKCA
Warranty: 3 Years (pdf) (opens in a new tab)
High Static Operation – Weatherproof Differential Pressure Switch
Models: 102W1, 103W1
Ranges: 7 in wc to 2500 psid, 18 mbar to 175 bar
Certifications: Unit: ATEX, CSA, INMETRO, SIL2, IECEx, UKCA
Warranty: 3 Years (pdf) (opens in a new tab)
Low Pressure Switch – Low Range Series 20 Explosion Proof Differential Switch
Models: Series 20
Ranges: 2.5 in wcd to 75 psid
Certifications: Unit: UL (as an outlet box only), SIL2
Warranty: 3 Years (pdf) (opens in a new tab)
Low Range – Explosion Proof Differential Pressure Switch
Models: 107EL
Ranges: 0 to 40 in wcd, 0 to 1000 mm wcd
Certifications: Unit: FM, SIL2
Snap Switch: ATEX, TestSafe (SAA), UL/CSA, UKCA
Warranty: 3 Years (pdf) (opens in a new tab)
Low Range – Hermetically Sealed Differential Pressure Switch
Models: 107EL
Ranges: 0 to 40 in wcd, 0 to 1000 mm wcd
Certifications: Unit: FM, SIL2
Snap Switch: ATEX, TestSafe (SAA), UL/CSA, UKCA
Warranty: 3 Years (pdf) (opens in a new tab)
Low Range – Weatherproof Differential Pressure Switch
Models: 107AL
Ranges: 0 to 40 in wc, 0 to 1000 mm wc
Certifications: Unit: CSA, FM, SIL2
Warranty: 3 Years (pdf) (opens in a new tab)
About Differential Pressure Switches
Repeatability, multi-use flexibility and the ability to match the instrument to the application distinguish SOR differential pressure switches from off-the-shelf products. Standard differential switches are available in weatherproof and explosion proof configurations and can include an external set point adjustment mechanism for simplified calibration. SOR differential pressure switches are suited for a wide range of applications, from filter maintenance to high static pressure flow monitoring.
Versatile Designs Engineered for a Wide Variety of Applications
- Draft range to high working pressure ranges
- Multiple sensor designs
- Adjustable set points with calibrated scale
- Negligible temperature and/or static influence
- Set point adjustment
- Terminal block options
Economical, Reliable, and Field Proven
- Low cost differential pressure switch models
- Industry-leading warranty
Safety Certified to IEC 61508 (SIL)
- Most models meet requirements for non-redundant use in SIL1 and SIL2 Safety Instrumented Systems (S.I.S.)
Engineered to Your Specifications
- All switches may be customized to meet your specific requirements
- Wide selection of wetted parts—cost of purchase is less expensive by eliminating secondary components such as seal
Worldwide Service and Fast Delivery
- Factory Sales Engineers & Representatives provide prompt service
- Emergency shipments sent same day air