Ashcroft D-Series NEMA 4X Watertight Differential Pressure Switches
The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. It is ideal for satisfying requirements for differential pressure control, shutdown, or alarm operations.
Features
- Adjustable setpoints from 15%-100% of range
- Fixed or limited adjustable deadband
- Wide selection of switch elements
- Stainless Steel, Buna, Viton, Teflon and Monel diaphragms available for compatibility
- Specials designs for NACE applications
- Internal set point lock screw
- SIL3 Capable
- FM, UL, CE, CRN and 3A approved
- RoHS compliant
Applications
- Process Market
- Offshore Oil Rigs
- Chemical and Petrochemical Plants
- Pulp and Paper Mills
- Power Plants
- Steel Mills
- Water and Sewage Treatment Plants
- Industrial Market
- Pumps
- Compressors and Turbines
- Boilers and Burners
- Degreasers and Evaporators
- Recovery Systems
- Reverse Osmosis Systems and Filters
- Food Processing
- Ground Support Equipment
- Hydraulic and Lubrication Systems
- Heating and Air Conditioning
- Marine Equipment
- Specialized OEM Equipment

CE
CRN
CSA
FM
RoHS
SIL 3 Capable
UL