D-Series NEMA 7/9 Differential Pressure Switch
D-Series NEMA 7/9 Differential Pressure Switch
The Ashcroft® D7 NEMA 7/9 differential pressure switch is designed for applications requiring safety, reliability and long-cycle life.
Features & Properties
Use & Application
Downloads
Features & Properties
Use & Application
The D7 Differential Pressure Switch is ideal where accurate and reliable pressure measurement are essential:
Downloads
Data Sheets
Installation + Maintenance
- 📄 Instruction manual B7, D7, T7 ATEX Ex d EN 03-2025 🇬🇧🇩🇪🇫🇷
- 📄 Instruction manual B7, D7, T7 ATEX Ex ia EN 12-2024 🇬🇧🇩🇪🇫🇷
- 📄 Instruction manual – short B4B7D4D7 EN-DE 09-2025 🇬🇧🇩🇪
Declaration of Conformity
- 📄 B, D and T Switch Safety Manual 🇬🇧
- 📄 SIL certificate B, D & T switch 🇬🇧
- 📄 ATEX EU DoC B7 D7 T7 Exd 1391X 03-2025 🇬🇧🇩🇪
- 📄 ATEX EU DoC B7 D7 T7 Exia 2081X 11-2024 🇬🇧🇩🇪
- 📄 EU DoC Switch Series B-D-T-L-G-P-F 09-2022 🇬🇧🇩🇪
- 📄 IEC Ex DoC B7 D7 T7 Ex db Ex tb SIR 14.0077X 002 🇬🇧
- 📄 IEC Ex DoC B7 D7 T7 Ex ia SIR 16.0018X 002 🇬🇧
- 📄 SIL Assessment Report Series A B D T Pressure Switch ASH 16-02-007 R002 V3 R1 🇬🇧
Industry Brochures
- 📄 Catalogue Oil & Gas EN 🇬🇧🇩🇪🇫🇷🇮🇹🇹🇷
- 📄 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 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 Dial Seal Rating SW-PI-76 🇬🇧
- 📄 Product Information Page Switch Dual Diaphragm XG7 SW-PI-56 🇬🇧
- 📄 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 D700 INH20 CN 25 XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 INH20 CN 25 XBP 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 INH20 CN 15 CEN3 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 INH20 CN 15 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI CN 25 XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI CN 25 XJL 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI CN 06 XJM 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI CN 06 XJL 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI IP 02 XJM 🇬🇧
The Ashcroft® D7 explosion proof differential pressure switch is designed for applications requiring safety, reliability and long-cycle life. It is ideal for satisfying requirements for differential pressure control, shutdown or alarm operations in hazardous locations.
Key Features
FM, UL, CE, and CRN approved
Adjustable setpoints from 15% ... 100% of range
Wide selection of switch elements
Internal setpoint locking screw
UL, CSA, ATEX and IECEx hazardous approvals
316L Stainless Steel housing available
Explosion-proof housing provides uncompromising protection
SIL 3 Capable
Markets & Applications
Pulp and Paper
Water and Wastewater
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
Pumps and Compressors
Electrical Termination
3/4 NPT female
1/2 NPT female
M20x1.5 female
Cable gland Ex d
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 7/9
Case or Body Material
Epoxy coated aluminium
Stainless steel 316L (1.4404)
Process Connection Location
Bottom/side
Lower
Mounting
Stem
Surface
2" pipe mounting
Switch Style
Microswitch SPDT
Microswitch DPDT
Accuracy
1% of span
Pressure Type
Differential pressure
Static Pressure
0.375 ... 70 bar / 5.4 ... 1000 psi
PN100
Setpoint
Deadband limited adjustable
Deadband Fixed
Single setpoint - Field adjustable
Data Sheets
Installation + Maintenance
- 📄 Instruction manual B7, D7, T7 ATEX Ex d EN 03-2025 🇬🇧🇩🇪🇫🇷
- 📄 Instruction manual B7, D7, T7 ATEX Ex ia EN 12-2024 🇬🇧🇩🇪🇫🇷
- 📄 Instruction manual - short B4B7D4D7 EN-DE 09-2025 🇬🇧🇩🇪
Declaration of Conformity
- 📄 B, D and T Switch Safety Manual 🇬🇧
- 📄 SIL certificate B, D & T switch 🇬🇧
- 📄 ATEX EU DoC B7 D7 T7 Exd 1391X 03-2025 🇬🇧🇩🇪
- 📄 ATEX EU DoC B7 D7 T7 Exia 2081X 11-2024 🇬🇧🇩🇪
- 📄 EU DoC Switch Series B-D-T-L-G-P-F 09-2022 🇬🇧🇩🇪
- 📄 IEC Ex DoC B7 D7 T7 Ex db Ex tb SIR 14.0077X 002 🇬🇧
- 📄 IEC Ex DoC B7 D7 T7 Ex ia SIR 16.0018X 002 🇬🇧
- 📄 SIL Assessment Report Series A B D T Pressure Switch ASH 16-02-007 R002 V3 R1 🇬🇧
Industry Brochures
- 📄 Catalogue Oil & Gas EN 🇬🇧🇩🇪🇫🇷🇮🇹🇹🇷
- 📄 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 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 Dial Seal Rating SW-PI-76 🇬🇧
- 📄 Product Information Page Switch Dual Diaphragm XG7 SW-PI-56 🇬🇧
- 📄 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 D700 INH20 CN 25 XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 INH20 CN 25 XBP 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 INH20 CN 15 CEN3 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 INH20 CN 15 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI CN 25 XTM 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI CN 25 XJL 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI CN 06 XJM 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI CN 06 XJL 🇬🇧
- 📄 Drawing Differential Pressure Switch D700 PSI IP 02 XJM 🇬🇧
Download-Center
Lösungen
Tools
FAQ
- Category: Differential Pressure Switches
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