D48W Series Differential Pressure Switch
The D48W series differential pressure switches feature 2 ports. Port 1 is suitable for high purity gases or liquids: port 2 is suitable for dry air or inert gases. Products are used to detect variations in a fixed difference between two pressures. Common applications include load-lock chambers, gas delivery systems and mini environments.
Features
- Tamper proof (factory) setting
- Port 1: Wetted materials in VIM-VAR 316L
- Welded construction
- Highly repeatable “snap action” Belleville spring design
- Reach and RoHS Compliant
- Certified SIL 3 Safety Capable
- Functional Safety Video
Specifications *
| Medium Port 1 | Any Gas or Liquid 316L Stainless Steel Compatible |
| Medium Port 2 | Air or Inert Gas |
| Type | Factory Set |
| Available Settings | 20 to 250 mm Hg differential |
| Deadband | 20mm Hg +5% of Setting |
| Repeatability | ± 5mm + 2% of Setting |
| Proof Pressure (Differential) | 100 PSID |
| Proof Pressure (Both Ports Simultaneously) | 300 psig |
| Operating Temp. Range | 0° to 200° F |
| Finish | Port 1: 10 Ra or Better |
| Wetted Materials | 316L per F20 |
| Media Connections | Port 1: 1/4″ Male End Seal Port 2: 1/4″ Barb fitting, 1/4″ Male End Seal |
| Electrical Connections | Free Leads Crimp Type Connectors |
| Min. Operating Life | 1,000,000 cycles |
| Approvals | UL, CE, ISO 13849 |
| Warranty | 36 months |
| Options | Custom Fittings, Panel Mount |
* Specifications subject to change
