D-Series NEMA 4X Differential Pressure Switch
D-Series NEMA 4X Differential Pressure Switch
The Ashcroft® D4 Differential Pressure switch is designed for use on most applications requiring reliability and long-cycle life.
Features & Properties
Use & Application
Downloads
Features & Properties
Use & Application
The D4 Differential Pressure Switch is ideal where accurate and reliable pressure measurement are essential:
Process Market:
- Offshore Oil Rigs
- Chemical and Petrochemical Plants
- Pulp and Paper Mills
- Power Plants
- Steel Mills
- Water and Sewage Treatment Facilities
Industrial Market:
- Pumps, Compressors and Turbines
- Boilers and Burners
- Degreasers and Evaporators
- Recovery Systems
- Reverse Osmosis Systems / Filters
- Food Processing
- Ground Support Equipment
- Hydraulic and Lubrication Systems
- Heating and Air Conditioning
- Marine Equipment
- Specialized OEM Equipment
Downloads
Data Sheets
Installation + Maintenance
Declaration of Conformity
- 📄 B, D and T Switch Safety Manual 🇬🇧
- 📄 SIL certificate B, D & T switch 🇬🇧
- 📄 EU DoC Switch Series B-D-T-L-G-P-F 09-2022 🇬🇧🇩🇪
- 📄 SIL Assessment Report Series A B D T Pressure Switch ASH 16-02-007 R002 V3 R1 🇬🇧
Industry Brochures
- 📄 Instrumentation for Water Treatment and Waste Water Industries 🇬🇧
- 📄 Instrumentation for Air Conditioning, Heating and Refrigeration Industries 🇬🇧
Product + Technical Information
- 📄 Product Information Page Product Information page Switch for Level Control SW-PI-50 🇬🇧
- 📄 Product Information Page Switch Static Working Pressure SW-PI-51 🇬🇧
- 📄 Product Information Page Sealed Conduit Connection SW-PI-54 🇬🇧
- 📄 Product Information Page Switch Oxygen Cleaning SW-PI-06B 🇬🇧
- 📄 Product Information Page Switch Info and Guidelines SW-PI-62 🇬🇧
- 📄 Product Information Page High Static Operation Differential SW-PI-57 🇬🇧
- 📄 Product Information Page Switch Diaphragm Seal Combo SW-PI-30E 🇬🇧
- 📄 Product Information Page Eight Steps to Selecting a Switch SW-PI-70A 🇬🇧
Drawings + Models
- 📄 Drawing Differential Pressure Switch D400 PSI IP 25 XJM XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 25 XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 25 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 15 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 06 XJM XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 06 🇬🇧
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. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations.
Key Features
FM, UL, CE, and CRN approved
Adjustable setpoints from 15% ... 100% of range
Wide selection of switch elements
Internal setpoint locking screw
SIL 3 Capable
Markets & Applications
Pulp and Paper
Water and Wastewater
Pumps and Compressors
HVAC-R
Chemical and Petrochemical
Energy
Boilers
Gas Measurement; Burners
Food and Beverage
Filtration Monitoring
Oil and Gas
Machine Automation
Hydrogen and Technical Gases
Pharmaceuticals
Electrical Termination
3/4 NPT female
1/2 NPT female
M20x1.5 female
Plastic cable gland
Hirschmann EN 175301-803 Form A
Process Connection Style
Threaded
Ranges
75 ... 375 mbar / 30 ... 150 in. H2O
1 ... 42 bar / 15 ... 600 psi
Wetted Parts Material
Buna-N®
Teflon®
Viton®
Stainless steel 316L (1.4404)
Ingress Protection
IP66 / NEMA 4X
Case or Body Material
Epoxy coated aluminium
Process Connection Location
Bottom/side
In-line
Mounting
Stem
Surface
2" pipe mounting
Switch Style
Microswitch DPDT
Microswitch SPDT
Accuracy
1% of span
Pressure Type
Differential pressure
Static Pressure
0.375 ... 70 bar / 5.4 ... 1000 psi
PN100
Setpoint
Deadband Fixed
Deadband limited adjustable
Single setpoint - Field adjustable
Data Sheets
Installation + Maintenance
Declaration of Conformity
- 📄 B, D and T Switch Safety Manual 🇬🇧
- 📄 SIL certificate B, D & T switch 🇬🇧
- 📄 EU DoC Switch Series B-D-T-L-G-P-F 09-2022 🇬🇧🇩🇪
- 📄 SIL Assessment Report Series A B D T Pressure Switch ASH 16-02-007 R002 V3 R1 🇬🇧
Industry Brochures
- 📄 Instrumentation for Water Treatment and Waste Water Industries 🇬🇧
- 📄 Instrumentation for Air Conditioning, Heating and Refrigeration Industries 🇬🇧
Product + Technical Information
- 📄 Product Information Page Product Information page Switch for Level Control SW-PI-50 🇬🇧
- 📄 Product Information Page Switch Static Working Pressure SW-PI-51 🇬🇧
- 📄 Product Information Page Sealed Conduit Connection SW-PI-54 🇬🇧
- 📄 Product Information Page Switch Oxygen Cleaning SW-PI-06B 🇬🇧
- 📄 Product Information Page Switch Info and Guidelines SW-PI-62 🇬🇧
- 📄 Product Information Page High Static Operation Differential SW-PI-57 🇬🇧
- 📄 Product Information Page Switch Diaphragm Seal Combo SW-PI-30E 🇬🇧
- 📄 Product Information Page Eight Steps to Selecting a Switch SW-PI-70A 🇬🇧
Drawings + Models
- 📄 Drawing Differential Pressure Switch D400 PSI IP 25 XJM XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 25 XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 25 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 15 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 06 XJM XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D400 PSI IP 06 🇬🇧
Download-Center
Lösungen
Tools
FAQ
- Category: Differential Pressure Switches
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