Kotel Drva nakup rabljenega (575)

Stanje: zelo dobro (rabljeno), Funkcionalnost: popolnoma funkcionalen, Štanc stroj Titan Erba 5-EM Stanje - kot nov Stroj je bil izdelan leta 1977. Popolna obnova stroja je bila izvedena leta 2007 v Nemčiji pri podjetju Broth! Kledpfx Abozazvlexsu * Največji format lista: 1600 × 1000 mm * Varnostni sistem * Načini delovanja: časovnik / enojni cikel / neprekinjeno delovanje * Hitropritrditveni okvir * Elektromagnetna sklopka

Stanje: zelo dobro (rabljeno), Leto izdelave: 2006, Funkcionalnost: popolnoma funkcionalen, Jugema K100 | Cooking Kettle Manufacturer: JUGEMA Model / Type: K100 Serial Number: 295/211/06 Year of Manufacture: 2006 Control Supply: 230 V / 1 phase Operating Pressure (medium): 8-10 bar Machine Weight: 950 kg Internal Dimensions: 2630 mm x 840 mm x 540 mm Overall Dimensions: 1400 mm x 3150 mm x 1200 mm No side guard included This industrial, rectangular cooking kettle from 2006 weighs nearly one ton and features an exceptionally robust, thick-walled construction. It is designed for continuous operation in meat, fish, delicatessen, and vegetable processing plants. Its internal length of over 2.6 meters and depth of 54 cm enable the batch processing of very large quantities—ideal for boiling sausages, offal, and vegetables, as well as browning, fat rendering, or preparing bases for ready-to-eat dishes (such as stews, sauces, and goulashes). The high working pressure of 8-10 bar testifies to an efficient heating system, ensuring rapid heat transfer and uniform temperature distribution across the entire surface of the bottom. Key features: - Massive working capacity: The impressive internal dimensions (2630 x 840 x 540 mm) make this kettle an ideal solution for medium and large-scale production lines requiring consistent, high-volume raw material processing. Kodpfoy Ub Thsx Abxslu - Simple control: The single-phase 230 V electric system powers the automation and temperature sensors, simplifying the integration of the unit with the factory network.

Stanje: delavnici obnovljeno (rabljeno), Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 7836, vhodna napetost: 380 V, leto zadnje generalne obnove: 2025, skupna dolžina: 1.460 mm, skupna širina: 842 mm, skupna višina: 1.900 mm, kapaciteta rezervoarja: 250 l, vhodna frekvenca: 50 Hz, lastna masa: 667 kg, skupna masa: 1.017 kg, vrsta vhodnega toka: trifazni, moč: 9,55 kW (12,98 KM), električna varovalka: 32 A, Rabljeni stroj očiščen & funkcionalno preizkušen Prednosti: + Robustna konstrukcija, brezhibno stanje, zelo tiho delovanje + Takoj dobavljivo + Kotliček in spirala iz nerjavečega jekla + Zaščita proti prašenju moke z obročem na kotličku in avtomatskim izklopom + Z dvema časovnikoma za dve hitrosti + Samodejni preklop/izklop med/ob koncu časa gnetenja + Glava se samodejno dvigne + Stroj je bil končno pregledan s strani naših dveh pekarskih mojstrov + Dobavljen z navodili za uporabo Tehnični podatki: - Serijska številka: 7836 - Kapaciteta moke: maks. 100 kg Ksdpferhg Dcsx Abxjlu - Kapaciteta testa: maks. 160 kg - Volumen kotlička: 250 litrov - Ø kotlička: 842 mm - Moč motorja: 6,9 kW / 8,9 kW - Priključni podatki: 380V - 3Ph - 50Hz - 32A-CEE vtič - Dimenzije: 842 x 1460 x 1503 mm (ŠxGxV) - maks. višina pri odprtem pokrovu: 1900 mm - Neto teža stroja: 667 kg - Neto teža vozička za kotliček: 175 kg

Stanje: rabljeno, 🔥 For Sale: Fröling P4 3–15 kW Pellet Boiler – Fully Automatic and Whisper-Quiet for Residential Buildings 🔥 The Fröling P4 3–15 kW is a high-quality, fully automatic pellet boiler – ideal for modern residential homes, passive houses, and well-insulated buildings. Kodpfowah Sbjx Abxslu It offers whisper-quiet operation, minimal maintenance, and outstanding energy efficiency. — Key Features: 🌾 Fuel: Wood pellets ⚡ Output: 3–15 kW 🧠 Fully automatic feeding, ignition, and cleaning 🔧 Integrated control unit, low-noise operation 🇦🇹 Fröling – Premium pellet technology from Austria 📍 Location: Hungary, 9200 Mosonmagyaróvár, Kötöttárugyári út 22 (ProfiKazán) — 💼 Top Heating Systems – ProfiKazán Efficient heating systems for buildings with low energy requirements. TOP HEATING SYSTEMS – Used heating systems, boilers, heat pumps & accessories direct from stock We are a family business with around 20 years of experience in heating technology, operating a 1,500 m² warehouse in Mosonmagyaróvár, Hungary, with a constantly available inventory of approximately 50–60 units. 📍 Location: Our warehouse is in Mosonmagyaróvár, Hungary – about 15 km from the Austrian border and about 80 km from Vienna. Mosonmagyaróvár is the first major city on the Hungarian side after the Austrian border. 🔥 Our product range includes: • Wood chip boilers • Pellet boilers • Wood gasification boilers • Log wood boilers • Biomass boilers • Oil and gas boilers • Heat pumps • Thermal ventilators • Hot air blowers • Warm air heaters • Industrial heaters • Buffer tanks • Heat exchangers • Screw conveyors • Fuel extraction systems • Burners • Pumps • Extensive heating accessories ⚙️ Accessories and Components: In addition, we offer a wide range of accessories, including circulating pumps, plate heat exchangers, and many more components – from domestic to industrial capacities. 🏭 Brands in our portfolio: Fröling, Hargassner, KWB, HDG, Binder, ETA, Herz, Guntamatic, Windhager, Viessmann, Buderus, and many more. 🌐 Current offers: Most of our current inventory can be found on our website: topheatingsystems.com We also have additional units not yet listed online. 📅 Viewing: Warehouse visits are possible by appointment. If you are interested, please feel free to contact us – we are happy to help you find the right solution.

Stanje: novo, Leto izdelave: 2024, Pila za sekanje drva za kurjavo: TRV 1200L in TRV 1600L Klsdpfev Ip T Rjx Abxeu TRV 1200L Ø550: Učinkovitost in Hitrost za Neprekinjeno Rezanje Optimizirajte upravljanje z odpadki in spremenite ostanke obdelave v takojšnjo ekonomsko vrednost! TRV 1200L Ø550, zahvaljujoč svojemu naprednemu dizajnu, je idealna rešitev za žage, ki morajo obvladovati velike količine ostankov večplastnih in stranskih kosov debel. Rezultat? Neprekinjeno in avtomatizirano odstranjevanje odpadkov, ki jih pretvori v kakovostno kurilno drvo. Glavne značilnosti: Poenostavljeno upravljanje: Neredno nalaganje ostankov in odpadkov na pas z nizko obrabo / valji VV. Pametni zaklepni sistem: Inovativen sistem omogoča obdelavo kosov različnih oblik in debelin, ki so prekrivni. Napreden nadzor natančnosti: Avtomatiziran sistem rezanja PLC z začasnim nadzorom dolžine kosov. Neodvisni sektorji: Opremljen je z 5 sektorji, vsak z neodvisnim pnevmatskim valjem in blažilniki za največjo stabilnost. Povečana varnost: Napreden zaščitni sistem: Vrata za dostop do premikajočih se delov z varnostnim mikrostikalom in prisilnim zaklepanjem. Varnostni ključ, ki se ne more kopirati za izključen dostop. Zaščitni tunel z varnostnim ključem in ojačana zaščita rezila za višjo raven zaščite. Motor rezila s hitrim zaustavitvijo (

Stanje: novo, Leto izdelave: 2026, The CORMAK LUP7TS WOOD SPLITTER is an electric log splitter with a splitting force of 7 tons, designed for preparing firewood and kindling. This model handles logs up to 520 mm in length and 250 mm in diameter, making it ideal for household use. The device is equipped with a 230 V / 2200 W motor, a hydraulic cylinder with automatic return, two-handed operation for increased safety, a protective cage covering the work area, and a wheeled stand included as standard. Choose the CORMAK LUP7TS if you need a compact 230 V log splitter for regular firewood preparation at home. Applications for the CORMAK LUP7TS Log Splitter The CORMAK LUP7TS log splitter is suitable wherever firewood is prepared regularly, but there is no need for a large industrial machine or a version with a stand. Recommended uses: - Household use - Farms - Houses heated with wood - Fireplace and stove users - Small firewood preparation points - Agritourism facilities and guesthouses - Workshops and utility rooms - Users preparing both seasoned and fresh wood The LUP7TS model is an excellent choice for those who want to split firewood faster and more conveniently, minimizing the effort involved in manual chopping. Kjdpszarv Asfx Abxslu Who is the 7-ton log splitter for? The CORMAK LUP7TS is designed for users who need a compact and user-friendly device for splitting firewood. With its 7-ton splitting force, 230 V power supply, and compact, stand-free design, this model is well suited for home use, on farms, or in small service points. Ideal for: - Owners of wood-heated homes - Fireplace users - Farms preparing their own firewood - People looking to reduce manual wood chopping - Small businesses and facilities with regular firewood needs - Users seeking an easier-to-store splitter compared to stand-mounted models The CORMAK LUP7TS features a two-handed operation system, increasing control over the splitting process. The operator works with both hands, reducing the risk of accidental contact with the working area. An additional safety element is the protective cover over the working area. This feature is especially important for regular use, providing the operator with a safer and more predictable working environment. Smooth adjustment of splitting length The splitter features smooth adjustment of the splitting length, allowing the device to be better adapted to the length of your wood. This helps to limit unnecessary ram movement and speeds up the preparation of subsequent logs. This is especially practical when working with uniform pieces of wood, such as preparing firewood for a fireplace, stove, or boiler. Standard equipment - CORMAK LUP7TS hydraulic log splitter - Wheeled stand - Hydraulic cylinder with automatic return - Two-handed operation system - Protective safety cover - Log catcher tray - Stable splitting wedge - 230 V / 2200 W motor - Powder-coated steel construction Technical specifications for CORMAK LUP7TS: Splitting force: 7 T Maximum log diameter: 250 mm Maximum log length: 520 mm Motor: 230 V / 50 Hz Motor power: 2200 W Power supply: 230 V Length: 950 mm Width: 325 mm Height: 510 mm Net / gross weight: 63 / 68 kg Warranty: 2 years

Stanje: novo, Leto izdelave: 2026, CORMAK LUP7T LOG SPLITTER is an electric firewood splitter with a splitting force of 7 tons, designed for preparing firewood and kindling. This model can handle logs up to 520 mm in length and up to 250 mm in diameter, making it well-suited for home use. The device is equipped with a 230 V / 2200 W motor, a hydraulic cylinder with automatic return, two-hand operation, a safety cage covering the working area, and a set of wheels with a stand included. Choose the CORMAK LUP7T if you need a compact 230 V splitter for the regular preparation of firewood at home. Applications of the CORMAK LUP7T log splitter: The CORMAK LUP7T log splitter is ideal wherever firewood is prepared regularly, but there is no need for a large industrial machine or a model with a stand. Recommended applications: - Households - Farms - Wood-heated homes - Fireplace and stove users - Small firewood processing points - Agritourism facilities and guesthouses - Workshops and utility rooms - Users preparing both seasoned and fresh wood The LUP7T model is suitable for those who want to speed up and simplify the process of preparing firewood, reducing the labor associated with manual log splitting. Kljdszarp Nspfx Abxju Who is the 7-ton log splitter for? The CORMAK LUP7T is intended for users who need a compact, easy-to-use device for splitting firewood. The 7-ton splitting force, 230 V power supply, and small size without a stand make this model suitable for work around the house, on a farm, or in a small commercial setting. It is a good choice for: - Owners of wood-heated homes - Fireplace users - Farms preparing firewood for personal use - Those wishing to reduce manual wood splitting - Smaller companies and facilities with regular firewood consumption - Users seeking a splitter that is easier to store than a version with a stand The CORMAK LUP7T features a two-hand operation system for increased control during splitting. The user operates the machine with both hands, minimizing the risk of accidental contact with the working area. An additional safety feature is the protective cover over the splitting area. This is particularly important during regular use, allowing the operator to work in a more organized and predictable manner. Smooth splitting length adjustment The splitter is equipped with smooth adjustment of splitting stroke, allowing users to better match the machine’s operation to the length of the logs. This limits unnecessary movement and increases the efficiency of processing multiple pieces of wood. This is especially practical when working with consistently sized wood, e.g. for preparing fuel for fireplaces, stoves, or boilers. Technical specifications of CORMAK LUP7T: Splitting force: max. 7 T Maximum log diameter: 250 mm Maximum log length: 520 mm Motor: 230 V / 50 Hz Motor power: 2200 W Power source: electric (mains) Length: 950 mm Width: 325 mm Height: 510 mm Warranty: 2 years Stand: not included Standard equipment: - CORMAK LUP7T hydraulic log splitter - Hydraulic cylinder with automatic return - Two-hand operation system - Safety cover for the working area - Stable splitting wedge - 230 V / 2200 W motor - Powder-coated steel construction

Stanje: rabljeno, Funkcionalnost: nepreverjeno, številka stroja/vozila: 11331, Veit 2331 Generator pare - profesionalna industrijska naprava, letnik 05/2010. Tehnični podatki (tablica): - Moč 2,2 kW - 230 V / 50-60 Hz, 9,8 A - Obratovalni tlak 4,0 bar (preizkusni tlak 10,3 bar) - Vsebina vode min. 2,8 L / maks. 5,9 L - Volumen 6,5 L - Maks. delovna temperatura 165 °C - Teža 17,5 kg Klodpfx Aboy Icl Sjxju - Št. kotla 11331 Proizvajalec Veit (Veit GmbH, Landsberg) – tipično za likalne postaje / parno tehnologijo v hotelih, pralnicah, šivalnicah. Prodaja iz stečajne mase po naročilu stranke. Lokacija: 6460 Imst (Tirolska, Avstrija). Ogled po dogovoru. Prodaja kot vidno, brez garancije.

Stanje: rabljeno, Funkcionalnost: popolnoma funkcionalen, Plinski štedilnik z 2 gorilniki iz skladiščne razprodaje Možen je prevoz s špedicijo. Kljdpfxsxz Tt Ds Abxou

Stanje: rabljeno, -12 odprtin -4 etaže Klsdpfx Ajx Up Nwjbxju -Vgrajeno dvižno nakladalo -Deluje na drva in plin -Prodaja se z plinskim gorilnikom -Z mehanskim upravljanjem -Napetost: 400V

Stanje: zelo dobro (rabljeno), Leto izdelave: 1988, Funkcionalnost: popolnoma funkcionalen, 1 rabljeni parni kotel ----- - z valovito kuriščnim cevjo in izbočenimi dnom - Proizvajalec: STANDARD Greta površina pribl.: 240 m² Zmogljivost: 13,4 t/h Najv. obratovalni nadtlak: 14,0 bar Preizkusni nadtlak: 18,2 bar Vsebina vode pribl.: 18.160 l Ksdpfx Ajxtndnsbxolu Leto izdelave: 1988 Opremljen z zemeljskim plinskim gorilnikom Saacke tip DG 80, plinsko regulacijsko lino, krmilno omaro, napajalno črpalko za vodni dovod in prisotnimi grobimi in finimi armaturami.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2005, 1 used steam boiler ----- - mounted on frame - Manufacturer: LOOS, Gunzenhausen Model: U-HD 800 Heating surface approx.: 14 sqm Previously operated at: 640 kg/h Permissible operating pressure: 13 bar Increased test pressure: 24.05 bar Klodpfowwt D Djx Abxju Water capacity at NW approx.: 748 l Total water capacity approx.: 1,108 l Year of construction: 2005 CE mark: CE 0036 Equipped with Weishaupt combination burner for gas & oil, model GL3/1-E, ZMD, gas control unit, control cabinet, feedwater pump, and the existing coarse and fine valves.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2006, Funkcionalnost: popolnoma funkcionalen, 1 rabljeni parni kotel ----- - montiran na okvirju - Proizvajalec: LOOS, Gunzenhausen Tip: UL-S 1250 Zmogljivost: 1.000 kg/h Dovoljeno delovno nadtlak: 13 bar Povečan preizkusni nadtlak: 24,7 bar Polna prostornina vode: pribl. 2.320 l Letnik izdelave: 10 / 2006 Kljdpfsxnxflex Abxsu CE oznaka: CE 0036 Opremljen s plinskim/oljnim gorilnikom Weishaupt GL5/1-D/ ZMD, ločeno električno omaro, napajalno črpalko in obstoječimi grobimi in finimi armaturami.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2005, 1 rabljen parni kotel Proizvajalec: LOOS, Gunzenhausen Tip: UL-S 2000 Zmogljivost: 1.500 kg/h Klodpfx Ajx Sxkfjbxju Največji dovoljeni delovni tlak: 13 bar Povečan preizkusni tlak: 24,7 bar Skupna prostornina vode pribl.: 3.315 l Leto izdelave: 2005 CE oznaka: CE 0036 Opremljen s plinskim gorilnikom Weishaupt, ločeno krmilno omaro, plinsko regulacijsko linijo, črpalko za napajalno vodo ter obstoječimi grobimi in finimi armaturami.

Stanje: zelo dobro (rabljeno), Leto izdelave: 1997,

Stanje: zelo dobro (rabljeno), Leto izdelave: 2002, 1 rabljeni parni kotel ----- - montiran na okvirju - - z integriranim ekonomizatorjem - Proizvajalec : LOOS, Gunzenhausen Tip : UL-S 4000 Ogrevalna površina pribl. : 80 m² Zmogljivost : 4.000 kg/h Klodpfxsy H Irus Abxou Dovoljeno obratovalni nadtlak : 16 bar Povečan preskusni tlak : 30,4 bar Vsebina vode pri NW pribl. : 5.930 l Polna vsebina vode pribl. : 8.020 l Leto izdelave : 2002 Opremljen s kombiniranim gorilnikom Weishaupt (plin/olje), RGL 10/1-D izvedba ZMD, 500 – 4.100 kW, plinsko regulacijsko napravo, ločeno stikalno omaro, napajalno črpalko in obstoječimi grobimi in finimi armaturami.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2001, Funkcionalnost: popolnoma funkcionalen, pritisk: 1 letvica, 1 rabljeni nizkotlačni parni kotel ----- Proizvajalec: VIESSMANN Tip: Vitoplex 100-LS Moč: 580 kW Parna zmogljivost pribl.: 800 kg/h Ksdpfew I T E Ijx Abxslu Vsebnost vode pribl.: 1.316 l Dovoljen obratovalni nadtlak: 1 bar Leto izdelave: 2001 CE oznaka: 0035 Opremljen s plinskim gorilnikom Weishaupt, ločeno krmilno omaro, črpalko za napajalno vodo ter obstoječimi grobimi in finimi armaturami.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2006, Funkcionalnost: popolnoma funkcionalen, 1 rabljeni parni kotel ----- - montiran na okvirju - - z integriranim ekonomizerjem - Proizvajalec: LOOS, Gunzenhausen Tip: UL-S 3200 Ksdpsxnxdhefx Abxelu Zmogljivost: 3.200 kg/h dovoljen obratovalni tlak: 13 bar povišan preizkusni tlak: 24,7 bar polna količina vode pribl.: 4.830 l Letnik: 10 / 2006 CE oznaka: CE 0036 Opremljen s plinsko/oljnim gorilnikom Weishaupt GL9/1-D/TMD, ločeno elektro omaro, napajalno črpalko ter obstoječimi grobimi in finimi armaturami. Integrirani ekonomizer tipa Eco1: dovoljen max. tlak: 31 bar testni tlak: 56 bar dovoljena max. temperatura: 238°C toplotna moč: 124 kW gl. prostornina: 81 l

Stanje: zelo dobro (rabljeno), Leto izdelave: 1993, Funkcionalnost: popolnoma funkcionalen, 1 rabljeni parni kotel ----- - nameščen na okvirju - Proizvajalec: LOOS, International Tip: UL-S Zmogljivost: 5.000 kg/h Delovni nadtlak: 18 bar Maks. temperatura pare: 204°C Leto izdelave: 1993 Opremljen z Weishaupt plinskim gorilnikom G50/2-A, ZM, plinsko regulacijsko linijo, ločeno elektro omarico, napajalno črpalko ter z obstoječimi grobimi in finimi armaturami. Ksdpfx Ajxtnf Ejbxelu

Stanje: zelo dobro (rabljeno), Leto izdelave: 2003,

Stanje: zelo dobro (rabljeno), Leto izdelave: 2017, Funkcionalnost: popolnoma funkcionalen, 1 rabljen parni kotel ----- - montiran na okvirju - Proizvajalec: Bay Kessel - BBS Germany Ksdpfxox A Dple Abxjlu Tip: HDK 7000 Zmogljivost pribl.: 7.000 kg/h Obratovalni nadtlak: 10,0 bar Povišan preizkusni tlak: 18,5 bar Maks. temperatura pare: 184,6 °C Polna količina vode pribl.: 17.500 l Leto izdelave: 2017 CE oznaka: CE 0036 Opremljen s plinskim/oljnim gorilnikom Weishaupt WM-GL50/1-A, verzija ZM-R-NR, krmilno potjo za plin, ločeno nadzorno omaro, črpalko za napajalno vodo, Eco ter z obstoječimi grobimi in finimi armaturami.

Stanje: zelo dobro (rabljeno), Leto izdelave: 2008, Funkcionalnost: popolnoma funkcionalen, 1 rabljeni parni kotel ----- Proizvajalec: LOOS Gunzenhausen Tip: U-HD 1250 Grelná površina pribl.: 20 m² Maks. zmogljivost kotla: 1.250 kg/h Obratovalni nadtlak: 10,0 bar Povečan preskusni nadtlak: 18,5 bar Vsebnost vode pri nazivni ravni pribl.: 993 l Popolna vsebnost vode pribl.: 1.365 l Leto izdelave: 2008 CE oznaka: 0036 Opremljen s plinskim gorilnikom Weishaupt G7/1-D, ZMD, 300-1.750 kW, 15-500 mbar, plinska regulacijska pot, električna omara z zaslonom na dotik, napajalna črpalka, ECO ter obstoječi grobi in fini ventili. Klodjxtngpopfx Abxou

Stanje: zelo dobro (rabljeno), Leto izdelave: 2003, pritisk: 13 letvica, 1 used steam boiler ----- Manufacturer: LOOS Gunzenhausen Model: U-HD 1250 Heating surface approx.: 20 m² Maximum boiler output: 1,250 kg/h Operating overpressure: 13.0 bar Increased test pressure: 24.05 bar Kjdeuugi Sspfx Abxslu Water capacity at NW approx.: 993 l Total water capacity approx.: 1,365 l Year of manufacture: 2003 CE marking: 0036 Equipped with Weishaupt gas burner type G7/1-D, ZMD-LN, 250–1,550 kW, 15–500 mbar, gas control section, control cabinet, feed water pump, and existing coarse and fine fittings. Economizer: Eco 3, 82 kW, 31 bar, 238°C, 28 l

Stanje: dober (rabljeno), Leto izdelave: 2011, Funkcionalnost: popolnoma funkcionalen, Industrial steam boiler Brand: Loos Bosch Group Model: U-ND 800 Serial number: 109582 Year of manufacture: 10/2011 Total capacity: 1108 liters Steam output: 800 kg per hour with Weishaupt GmbH burner Burner type: WM - L10/3-A Year of burner manufacture: 2011 Minimum output: 250 kW Kledpfx Ajv I E Tgsbxju Maximum output: 800 kW Steam boiler dimensions: 2500 mm x 1600 mm x 1900 mm Achenbach GmbH storage tank Capacity: 800 liters Dimensions: 1600 mm x 850 mm x 2600 mm Control cabinet Dimensions: 1000 mm x 180 mm x 750 mm Burner completely overhauled in 2024.

Stanje: rabljeno, Primerno za parno ogrevanje Kapaciteta 800 l. Popolnoma iz nerjavečega jekla dvostenska Nagibni boben Kedpfxoy S Tzxe Abxjlu Mešalnik z brisalci S paličnim mešalnikom Para (4 bara) Dimenzije (D x Š x V): pribl. 2.600 x 2.200 x 2.700 mm