{"id":11835,"date":"2026-04-29T11:55:49","date_gmt":"2026-04-29T09:55:49","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/miselli-breather-plug-series-tsf-tsaf\/"},"modified":"2026-05-04T16:32:52","modified_gmt":"2026-05-04T14:32:52","slug":"miselli-breather-plug-series-tsf-tsaf","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/miselli-breather-plug-series-tsf-tsaf\/","title":{"rendered":"Miselli Breather Plug Series TSF – TSAF"},"content":{"rendered":"

The Miselli Breather Plug Series TSF – TSAF represents an advanced technical solution for managing venting and filling in hydraulic tanks<\/span><\/span>. <\/span>Precisely manufactured from high-performance thermoplastic material, specifically Polyamide 66, these components ensure excellent mechanical and thermal resistance, supporting a maximum operating temperature of up to 100\u00b0C<\/span><\/span>. <\/span>The design features a threaded plug with a cylindrical head equipped with vertical lobes, a geometric choice that ensures an optimal grip during manual tightening operations, facilitating maintenance work<\/span><\/span>. <\/span>The standard functional appearance includes a black body combined with a red cap bearing the wording “OIL”, with the possibility of cap customization for suitable quantities<\/span><\/span>. <\/span>Perfect hydraulic sealing is entrusted to a gasket fitted with a flat washer made of NBR 70 Shore compound, designed to prevent unwanted leaks and seepage<\/span><\/span>.<\/span><\/p>\n

Operating Principle and Air Filtration<\/h3>\n

These breather plugs have been engineered with the primary objective of achieving excellent air flow while maintaining extremely compact external dimensions<\/span><\/span>. <\/span>The air flow rate, accurately measured at a pressure of 50 mbar, ensures proper volumetric compensation of the tank during operating cycles<\/span><\/span>. <\/span>The standard air filtration system uses a reticulated polyester-based polyurethane foam element (PPI 60 classification), strategically positioned under the plug cap to intercept environmental impurities<\/span><\/span>.<\/span><\/p>\n

Models and Variants: BR and TSAF Series<\/h3>\n

The range is available in several configurations to meet multiple system requirements. <\/span>The base TSF series provides the combined function of breather plug with integrated filter<\/span><\/span>. <\/span>For direct fluid level monitoring needs, the TSAF model integrates a level dipstick made of phosphated steel<\/span><\/span>. <\/span>This dipstick has a round section of 4 mm and a standard length of 196 mm<\/span><\/span>. <\/span>For orders exceeding 250 pieces, the dipstick can be customized with different lengths and with engraved minimum and maximum level marks<\/span><\/span>. <\/span>In addition to the standard versions, the range includes TSF\/BR and TSAF\/BR variants, characterized by the use of a sintered bronze air filter with an indicative filtration grade of 30\u03bc<\/span><\/span>. <\/span>As regards tank connections, the components are available with standard threads and, upon specific request, can also be supplied with American tapered NPT threads<\/span><\/span>.<\/span><\/p>\n

Specific Applications and Fields of Use<\/h3>\n

The use of variants equipped with a sintered bronze filter is strongly recommended in all critical hydraulic applications where the breather is subject to heavy oil splashes<\/span><\/span>. <\/span>This severe operating condition frequently occurs during machine start-up, especially when the hydraulic oil is still very dense due to low ambient temperatures or inactivity<\/span><\/span>. <\/span>In these specific scenarios, the sintered bronze filter element ensures the free passage of the airflow required for venting and, at the same time, effectively prevents accidental oil leakage<\/span><\/span>. <\/span>A fundamental technical advantage of this solution lies in the fact that the bronze filter does not remain soaked when it comes into direct contact with the fluid, thus ensuring constant venting performance over time and preventing premature clogging of the component<\/span><\/span>.<\/span><\/p>\n

Technical Summary Table<\/b><\/h3>\n

Technical summary table of the main characteristics of the Miselli Breather Plug Series TSF – TSAF<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Feature<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Body and Cap Material<\/td>\nThermoplastic material (Polyamide 66)<\/td>\n<\/tr>\n
Maximum Operating Temperature<\/td>\n100\u00b0C<\/td>\n<\/tr>\n
Tightening Type<\/td>\nManual (Cylindrical head with vertical lobes)<\/td>\n<\/tr>\n
Sealing Gasket<\/td>\nFlat washer in NBR 70 Shore<\/td>\n<\/tr>\n
Air Filter (Standard)<\/td>\nReticulated polyester-based polyurethane foam (PPI 60)<\/td>\n<\/tr>\n
Air Filter (\/BR Variants)<\/td>\nSintered bronze (indicative filtration grade 30\u03bc)<\/td>\n<\/tr>\n
Level Dipstick (TSAF Models)<\/td>\nPhosphated steel, round section 4 mm, standard length 196 mm<\/td>\n<\/tr>\n
Special Thread (On request)<\/td>\nAmerican tapered NPT thread<\/td>\n<\/tr>\n
Standard Color<\/td>\nBlack body, red cap with OIL wording<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

The Miselli Breather Plug Series TSF – TSAF is designed to ensure high air flow in hydraulic components while maintaining compact external dimensions<\/span><\/span>. <\/span>Made of durable Polyamide 66 with a vertical-lobed grip for quick manual tightening, it operates safely up to 100\u00b0C<\/span><\/span>. <\/span>The range variants include air filters made of polyurethane foam (PPI 60) <\/span><\/span>or sintered bronze (BR Series) for applications subject to heavy oil splashes<\/span><\/span>. <\/span>The TSAF model also integrates a phosphated steel level dipstick<\/span><\/span>, offering a complete solution for fluid control.<\/span><\/p>\n","protected":false},"featured_media":11751,"template":"","meta":[],"product_brand":[],"product_cat":[98,452],"product_tag":[258],"class_list":{"0":"post-11835","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-accessories-for-hydraulic-power-units","7":"product_cat-filler-and-breather-caps","8":"product_tag-miselli","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"\nMiselli Breather Plug Series TSF - TSAF \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Miselli Breather Plug Series TSF - TSAF in Polyamide 66 for hydraulics. 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