Liquid Level Gauges
MLG Series — Mini Level Gauge
Compact glass level gauge · Stainless steel 316
For oil tanks and small tanks. Choose wall mounting, mounting through the tank cover, or wall mounting with connections at both ends. The glass indicating tube is protected by a stainless-steel tube.

Technical data
Application and connections
- Application
- Oil tanks and small tanks
- Thread standards
- NPT or BSP (PF)
- Connection sizes
- ¼ in, ⅜ in or ½ in; other options on request
- Gauge lengths L
- 80, 100, 125, 150, 200, 250, 300 or 350 mm; other lengths on request
- Mounting
- Wall, tank cover or wall with both-side connections
Materials and construction
- Body
- Stainless steel 316
- Protection tube
- Stainless steel 316
- Nut
- Stainless steel 316
- Indicating tube
- Glass
- Seal
- Viton
- Tube diameter
- Ø17 mm, as shown in the drawings
Dimensions and mounting
Dimensions in millimetres. Use the L dimension for the selected mounting arrangement. Types A and B have a top vent hole; Type C has connections at both ends.



| Code | Arrangement | Connection position |
|---|---|---|
| A | Wall mounting (Side Connection) | Lower side connection; top vent |
| B | Mounting in the cover (Top Mounting) | Bottom connection; top vent |
| C | Wall mounting — both-side connection | Upper and lower side connections |
| Item | Part | Material |
|---|---|---|
| 1 | Body | SS316 |
| 2 | Protection tube | SS316 |
| 3 | Nut | SS316 |
| 4 | Indicating tube | Glass |
| 5 | Seal | Viton |
Ordering information
Choose the connection, material, gauge length and mounting arrangement to build your reference.
Reference sequence: MLG — connection — material — length — mounting. For special options, include the required details with your quote request.
Specifications are general selection guidance. Confirm materials, connection standards, operating temperature and pressure with Sightflow before placing an order.
