Breather plug LSF

filling

Product
Level indicator with breather for gearboxes and industrial gear units. Aluminium-alloy body, galvanized-steel cover and internal valve calibrated to 0.05–0.10 bar for intermittent pressure venting. Recommended for high-rpm speed-change gears. Anodizing available on request.

Description
Breather plug and level indicator in aluminium alloy (untreated) with galvanized-steel cover. The internal valve is designed and calibrated to open intermittently between 0.05 and 0.10 bar to vent internal pressure generated by fluid turbulence. Particularly suitable for applications on speed-change gearboxes operating at high rotational speeds.

Technical Info - GAS ISO 228
TYPE | CODE | THREAD | d | h | f | l | g | e | WEIGHT (g)
LSF1G | 1GLSF10A | 1/4" | 16.5 | 17.5 | 9 | 170 | 6 | 17 | 23
LSF2G | 1GLSF20A | 3/8" | 22 | 19 | 11 | 170 | 10 | 22 | 39
LSF3G | 1GLSF30A | 1/2" | 26 | 20 | 11 | 170 | 10 | 27 | 53
LSF4G | 1GLSF40A | 3/4" | 30 | 24 | 12 | 200 | 10 | 32 | 85
LSF5G | 1GLSF50A | 1" | 38 | 29 | 14 | 200 | 10 | 40 | 146

Technical Info - MB METRIC
TYPE | CODE | THREAD | d | h | f | l | g | e | WEIGHT (g)
LSF1M | 1MLSF10A | 14 x 1,5 | 16.5 | 17.5 | 9 | 170 | 6 | 17 | 24
LSF2M | 1MLSF20A | 16 x 1,5 | 22 | 19 | 11 | 170 | 10 | 22 | 38
LSF3M | 1MLSF30A | 18 x 1,5 | 22 | 19 | 11 | 170 | 10 | 22 | 41
LSF4M | 1MLSF40A | 20 x 1,5 | 24 | 20 | 11 | 170 | 10 | 24 |
LSF5M | 1MLSF50A | 22 x 1,5 | 26 | 20 | 11 | 170 | 10 | 27 | 164
LSF6M | 1MLSF60A | 24 x 2 | 30 | 24 | 12 | 170 | 10 | 30 |
LSF7M | 1MLSF70A | 30 x 2 | 30 | 25 | 14 | 200 | 10 | 36 |
LSF8M | 1MLSF80A | 33 x 2 | 38 | 29 | 14 | 200 | 10 | 40 |

Characteristics / technical specifications

• Material: aluminium alloy (body).
• Cover: galvanized steel.
• Internal valve calibrated from 0.05 to 0.10 bar that opens intermittently to vent internal pressure caused by fluid turbulence.
• Recommended use: speed-change gearboxes at high rotational speeds.
• Finish available on request: anodizing.
• Standards / threads: GAS ISO 228 and MB metric versions (tables above).
• Available GAS types: LSF1G, LSF2G, LSF3G, LSF4G, LSF5G.
• Available MB metric types: LSF1M to LSF8M.