BFS-20-O / BFS-20-OL Optical Oil Flow Switches
Barksdale BFS-20-O and BFS-20-OL switches combine optical flow indication with adjustable flow switching for liquids from 30 to 600 cSt. Typical uses include hydraulic systems, lubrication circuits, cooling systems and test equipment.
The O version covers a broad range of flows and process connections. The lower-cost OL version uses a G1/2 connection and three low-flow switching ranges. Pressure ratings differ between O and OL versions.
Select & Configure Model
| Base Model # | Medium / Service | Switching Range | Process Connection | Pressure Limit | Switch Contacts | Configure Part # |
| BFS-20-O | Oil; 30–600 cSt; optical display | 0.1–0.8 to 30–90 L/min | G1/4, G1/2, G3/4 or G1 | 10 bar | NO or SPDT | |
| BFS-20-OL | Oil; 30–600 cSt; low cost | 0.5–1.7, 1.3–4 or 2.5–8 L/min | G1/2 | 16 bar | NO or SPDT |
