{"id":11824,"date":"2026-04-28T14:47:54","date_gmt":"2026-04-28T12:47:54","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/filler-and-drain-cap-miselli-tcn-tcns-tsn-series\/"},"modified":"2026-05-04T15:19:09","modified_gmt":"2026-05-04T13:19:09","slug":"filler-and-drain-cap-miselli-tcn-tcns-tsn-series","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/filler-and-drain-cap-miselli-tcn-tcns-tsn-series\/","title":{"rendered":"Filler and Drain Cap Miselli TCN – TCNS – TSN Series"},"content":{"rendered":"

The Miselli Filler and Drain Cap TCN – TCNS – TSN Series is a threaded cap equipped with a hexagonal head, specifically engineered as an accessory for hydraulic components<\/span><\/span>. The range is divided into three functional macro-categories that define the entire series. <\/span>The TCN designation identifies caps strictly designed for oil filling operations<\/span><\/span>. <\/span>Models belonging to this variant display a dedicated filling graphic symbol, combined with the wording “OIL”<\/span><\/span>. <\/span>The TCNS code classifies oil filler caps that incorporate a breather system<\/span><\/span>. <\/span>In this design, the breather hole is physically made on the hexagonal head of the component, with a technical diameter ranging from 2 to 3.5 millimeters<\/span><\/span>. <\/span>Like the TCN models, the TCNS versions also feature the filling graphic symbol and the text indication “OIL”<\/span><\/span>. <\/span>Finally, the TSN designation defines the series of caps dedicated exclusively to oil draining<\/span><\/span>. <\/span>This specific version is marked with a dedicated oil drain graphic symbol<\/span><\/span>.<\/span><\/p>\n

Materials and Construction Features<\/h3>\n

The entire body of the closing caps is molded in plastic, using the properties of a high-performance thermoplastic material such as Polyamide 66<\/span><\/span>. <\/span>The use of this specific polymer gives the component excellent mechanical resistance, ensuring consistent performance in both low- and high-temperature environments<\/span><\/span>. <\/span>Polyamide 66 also ensures strong dimensional stability and high resistance to accidental impacts<\/span><\/span>. <\/span>Structurally, the cap profile adopts a hexagonal head; in some specific versions, supplied as standard exclusively with a rubber gasket, the hexagon surface is plain<\/span><\/span>. <\/span>Standard production provides the component in black<\/span><\/span>. <\/span>To meet specific visual coding requirements on systems, the caps are also available in red, subject to specific requests and adequate quantities<\/span><\/span>.<\/span><\/p>\n

Sealing Systems and Operating Conditions<\/h3>\n

Reliable hydraulic sealing is ensured by carefully selected gaskets. <\/span>In its basic configuration, the component is fitted with a flat sealing gasket made of FASIT 202 fiber<\/span><\/span>. <\/span>Alternatively, to ensure maximum chemical compatibility with different hydraulic fluids, all caps in the TCN, TCNS, and TSN series can be equipped with a flat gasket in 70 Shore NBR rubber<\/span><\/span>. <\/span>To request this specific sealing option, the suffix “\/G” must be added to the base item code<\/span><\/span>. <\/span>The operating temperature range in which the component maintains its structural and sealing characteristics unchanged is extremely wide: the certified operating temperature extends from a minimum of -30\u00b0C up to a peak of +100\u00b0C<\/span><\/span>.<\/span><\/p>\n

Dimensions, Threads, and Tightening Torques<\/h3>\n

Optimal installation of the component requires the application of a specific force, indicated in the technical data by the “Nm” value, which represents the recommended tightening torque<\/span><\/span>. To ensure maximum interchangeability and adaptability to hydraulic housings, the series is produced with a wide variety of threads. <\/span>The range includes connections with Gas (G) threads, available in nominal sizes G1\/4, G3\/8, G1\/2, G3\/4, G1, G1 1\/4, G1 1\/2, and G2<\/span><\/span>. <\/span>At the same time, production includes a comprehensive range of metric threads (M), starting from M 10×1.5 up to M 40×1.5, covering numerous intermediate pitches such as M 12×1.5, M 14×1.5, M 16×1.5, M 18×1.5, M 20×1.5, and M 22×1.5<\/span><\/span>.<\/span><\/p>\n

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

Summary technical table of the main characteristics of the Miselli Filler and Drain Cap TCN – TCNS – TSN Series.<\/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
Cap body material<\/td>\nThermoplastic material (Polyamide 66)<\/td>\n<\/tr>\n
Operating temperature<\/td>\nFrom -30\u00b0C to +100\u00b0C<\/td>\n<\/tr>\n
Standard sealing gasket<\/td>\nFlat gasket in FASIT 202 fiber<\/td>\n<\/tr>\n
Optional gasket (suffix \/G)<\/td>\nFlat gasket in 70 Shore NBR rubber<\/td>\n<\/tr>\n
Standard color<\/td>\nBlack (Red on request for quantities)<\/td>\n<\/tr>\n
TCN Series Function<\/td>\nOil filling (graphic symbol + OIL wording)<\/td>\n<\/tr>\n
TCNS Series Function<\/td>\nOil filling with breather (hole on hexagonal head from 2 to 3.5 mm)<\/td>\n<\/tr>\n
TSN Series Function<\/td>\nOil draining (dedicated graphic symbol)<\/td>\n<\/tr>\n
Available thread types<\/td>\nGas (from G1\/4 to G2) and Metric (from M 10×1.5 to M 40×1.5)<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n","protected":false},"excerpt":{"rendered":"

The Miselli Filler and Drain Cap TCN – TCNS – TSN Series is an essential component for hydraulic systems<\/span><\/span>. <\/span>Made of Polyamide 66 thermoplastic material, it ensures excellent mechanical and impact resistance<\/span><\/span>. <\/span>Operating at temperatures between -30\u00b0C and +100\u00b0C, it ensures perfect sealing thanks to the flat FASIT 202 fiber gasket, with a 70 Shore NBR rubber option<\/span><\/span>. <\/span>The series includes specific variants for filling, filling with breather, and fluid draining<\/span><\/span>.<\/span><\/p>\n","protected":false},"featured_media":11632,"template":"","meta":[],"product_brand":[],"product_cat":[98,451],"product_tag":[258],"class_list":{"0":"post-11824","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-accessories-for-hydraulic-power-units","7":"product_cat-closing-caps","8":"product_tag-miselli","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"\nFiller and Drain Cap Miselli TCN - TCNS - TSN Series \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Miselli Filler and Drain Cap TCN - TCNS - TSN Series in Polyamide 66. 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