Ashcroft 1134 Differential Pressure Gauge
An economical differential pressure gauge designed for cleanroom and isolation room applications, providing reliable pressure measurement with excellent value.
Product Specifications
| Specification |
Details |
| Accuracy |
±3% of span (ASME B40.1) |
| Dial Size |
4½ inch |
| Pressure Ranges |
0.6 IWD to 60 IWD |
| Maximum Static Pressure |
35 psi |
| Process Connection |
1⁄8 NPT Female |
| Process Connection Location |
Dual, back/in-line |
| Window Material |
Glass (Standard) |
| Migration |
Zero |
| Maximum Process Temperature |
175° F (80° C) |
| Mounting Options |
Flush mounting (Standard), surface plate (Optional), or pipe mounting bracket (Optional) |
Wetted Components
- Actuator O-Rings/Diaphragm: Convoluted diaphragm with Buna-N (Standard) or EPDM (Optional)
- Body Material: Glass filled nylon
- Additional Wetted Components: Ceramic magnet & stainless steel spring
Non-Wetted Components
- Case Material: Stainless Steel
- Window: Glass (Standard) or Plastic (Optional)
Reed Switch Ratings
| Switch Type |
Contact Rating |
Current |
Voltage |
| SPST |
10 VA ac (rms) or dc (Max.) |
0.5 Amp ac (rms) or dc (Max.) |
100 Vac/Vdc (Max.) |
| SPDT |
3 VA ac (rms) or dc (Max.) |
0.3 AMP ac (rms) or dc (Max.) |
30 Vac/Vdc (Max.) |
Key Application: Specifically designed for cleanroom and isolation room environments where precise differential pressure monitoring is critical for maintaining controlled environments.