Low pressure
Low pressure
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Product Description
Model：PRM
- Pressure range of low pressure gauge less than 0.5kg/cm2
- Low pressure gauge suitable for gases or air that are not aggressive to brass
Product display- bottom mount type
Product display- Low back mount with flange
Product Specification
| Nominal size |
2.5" , 3" , 4" |
|
Measuring range |
-5000mmAq Vac. ~ 5000mmAq (mmH2O) Positive pressure minimum 300mmAq Negative pressure minimum 300mmAq |
|
Accuracy |
ASME B40.1 Grade B ±3/2/3% |
| Thread size |
1/4", 3/8", 1/2" |
| Thread types |
PT, PF, NPT |
| Dial |
Aluminum alloy (single or double scale) |
|
Pointer |
Black aluminum alloy sheet |
| Case |
Iron, 2.5" panel black anti-corrosion coating 3", 4" panel for chrome plating |
|
Window |
2.5" Panel Windows for Acrylic 3" ， 4" panel window for glass |
| Movement |
Brass |
|
Thread material |
Brass or phosphor bronze |
|
Permissible pressure |
For stable pressure source:75%F.S. For unstable pressure pulse : 60% f.s.d. |
|
Capsule element |
Phosphor bronze |
Illustration
Figure 1: Bottom mount- front / NS 3" / SUS
Figure 2: Horizontal type with flange
Figure 3, 4: Embedded with flange / 3"
Figure 5, 6: Back mount type / NS 2.5" / rear flange / iron plating case
Figure 7, 8: Back mount type / NS 2.5" / front flange / iron case
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