Description
Features:
- Small diameter for use in positioner and low clearance applications
Applications:
- Valve Positioner/Actuator
- Industrial
- Commercial
- Hydraulic
- Pneumatic
- Oil & Gas

Marsh Instruments Severe Service Liquid Filled Gauges are designed to perform in rugged and harsh environmental conditions, especially where pulsation or vibration is present. Liquid Filled Gauges offer a significant cushioning and dampening effect, reducing pointer flutter and lubricating the internals.
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| Spec accuracy | 3/2/3% (ASME Grade B) |
|---|---|
| Bezel | 304 Stainless Steel – Fixed |
| Connection | 1/8 or 1/4 NPT |
| Design | Meets/Exceeds ASME B40.100 |
| Pointer | Aluminum, Black Painted |
| Mount | Center Back Mount |
| Accuracy | 3/2/3% (ASME Grade B) |
| Subtitle | Filled, Fillable – Severe Service |
| Series | M Series |
| Dial color | Black Markings on White |
| Dial size | 1.5", 2" |
| Pressure ranges | VAC/Compound to 3000 psi |
| Case | Stainless Steel |
| Standard case fill | Glycerine, Silicone, Dry |
| Window | Acrylic |
| Movement | Brass |
| Dial sizes | 1.5", 2" |
| Ambient temperature | Dry: -40 to 180F, Glycerine: 30 to 160F, Silicone: -40 to 180F |
| Internal material | Copper Alloy – Nickel Plated Socket |
| Tube socket | Copper Alloy with Nickel Plated Brass Socket |
| Standard scale | Triple Scale, psi/BAR/kPa |
| Weights | see variation page |