The Barksdale Stainless Steel Level Switch (Series UNS-VA 1/8-VA27) delivers rugged, reliable single-point level detection in demanding applications. Constructed with a stainless-steel stem and float, it features a 1/8" NPT mounting thread and a hermetically sealed single-switch contact, allowing for either top or bottom insertion into tanks or reservoirs. Ideal for general industrial use — including water tanks, process vessels, and storage containers — this switch offers excellent durability, corrosion resistance, and simple installation with no calibration required.
Features
UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Features
- Compact size for easy installation
- Ideal for small tanks & vessels
- Reversible switch logic
- Broad media compatibility
- All models incorporate hermetically sealed, magnetically actuated reed switches
Specifications
UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Specifications
| Specification | Details |
|---|---|
| Switch Rating | |
| SPST | 230 VAC/DC; 2 A; 40 VA/W |
| SPDT | 150 VAC / 100 VDC; 0.2 A; 3 VA/W |
| Switch Configuration | Shipped as normally open as standard. Can be changed to normally closed by rotating float 180°. |
| Contact Mode* | 1 – SPST-switch (NO)2 – SPST-switch (NC)3 – SPDT-switch |
| Wetted Parts | |
| Stem | 316 stainless steel (VA) |
| Float | 316 stainless steel (VA) |
| Mounting | 1/8" NPT male |
| Electrical Connection | PVC cable max 3 × 0.34 mm², length options: 1 m / 3 m / 5 m |
| Minimum Specific Gravity | Stainless Steel Float: 0.71 g/cm³ |
| Protection Class | IP54 |
| Approvals | UL/CSA: Pending |
| Operating Temperature | 14 °F to +220 °F (–10 °C to +105 °C), PVC cable |
| Option / High Temp | –40 °F to +302 °F (–40 °C to +150 °C), silicone cable (–HT), consult factory |
| Operating Pressure | Stainless Steel Floats: 220 psig (15 bar) |
| Weight | Approx. 90 grams (3.2 oz.) |
Applications
UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Applications
- Sump tanks
- Hydraulic power units
- Storage tanks
- Solvent recovery systems
- Lube oil console systems
- Marine applications
Q & A
UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Q & A
The minimum fluid specific gravity is approximately 0.71 g/cm³ for the stainless-steel float version.
Downloads
Download Barksdale UNS-VA 1/8-VA27 Stainless Steel Level Switch 1/8 NPT Datasheet
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