{"id":5386,"date":"2024-11-12T11:24:50","date_gmt":"2024-11-12T03:24:50","guid":{"rendered":"https:\/\/www.hnhlcrane.com\/?post_type=product&p=5386"},"modified":"2025-09-10T10:29:57","modified_gmt":"2025-09-10T02:29:57","slug":"freni-di-sicurezza-per-gru","status":"publish","type":"product","link":"https:\/\/www.hnhlcrane.com\/it\/prodotto\/freni-di-sicurezza-per-gru\/","title":{"rendered":"Freni di sicurezza per gru"},"content":{"rendered":"
Freni di emergenza idraulici di sicurezza<\/strong><\/span><\/h6>\n

I freni di sicurezza per gru della serie SB sono dispositivi di frenatura ad alta potenza progettati per alberi a bassa velocit\u00e0 (alberi a tamburo). Questi freni sono ampiamente adatti per la frenatura di sicurezza di emergenza di gru di medie e grandi dimensioni, per i sollevamenti di macchinari per la movimentazione portuale e per i meccanismi di inclinazione dei bracci a bassa velocit\u00e0. Sono ideali anche per la frenatura di sicurezza operativa e di emergenza di paranchi per miniere, attrezzature di sollevamento e trasportatori a nastro inclinati ad alta potenza, nonch\u00e9 per la frenatura di sicurezza dei meccanismi di azionamento di funivie e gru a cavo. Inoltre, forniscono una frenatura di emergenza per gli alberi a bassa velocit\u00e0 dei meccanismi di sollevamento in applicazioni di sollevamento speciali, come le gru di colata.<\/p>\n

Caratteristiche principali della gru Freni di sicurezza<\/a><\/strong><\/span><\/h6>\n
    \n
  • Caratterizzati da un design normalmente chiuso, questi freni sono sicuri e affidabili. La forza frenante viene applicata da una molla a tazza appositamente progettata, mentre l'energia idraulica rilascia il freno (per la selezione delle stazioni idrauliche, consultare il catalogo delle stazioni idrauliche).<\/li>\n
  • Dotate di pastiglie dure ad alte prestazioni e prive di amianto, offrono un coefficiente di attrito stabile senza danneggiare il disco del freno e sono resistenti all'acqua e alla nebbia salina (spray marino).<\/li>\n
  • I freni sono molto reattivi, con tempi di chiusura (frenata) brevi.<\/li>\n
  • Sono disponibili interruttori opzionali, come il limite di rilascio e il limite di usura delle pastiglie, per la visualizzazione del segnale o la protezione del blocco.<\/li>\n
  • Una struttura di tenuta ben progettata e guarnizioni importate di qualit\u00e0 superiore garantiscono una tenuta efficace e una lunga durata.<\/li>\n
  • Le opzioni di installazione flessibili rendono i freni facili da usare, regolare e mantenere.<\/li>\n<\/ul>\n
    Condizioni operative per i freni di sicurezza delle gru<\/strong><\/span><\/h6>\n
      \n
    • Temperatura ambiente: da -20\u00b0C a +50\u00b0C<\/li>\n
    • Umidit\u00e0 relativa: \u226490%<\/li>\n<\/ul>\n
      Marchio dell'ordine<\/span><\/strong><\/h6>\n

      \"\"<\/p>\n

      Dimensioni e dati tecnici<\/b><\/strong><\/span><\/h6>\n

      \"\"<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \n
      Dati tecnici dei freni di sicurezza serie SB<\/span><\/strong><\/span><\/h6>\n<\/td>\n<\/tr>\n
      Tipo<\/span><\/td>\nForza di serraggio F<\/span>
      \n(KN)<\/span><\/td>\n      		Rilascio della pressione<\/span>
      \n(MPa)<\/span><\/td>\n      		Rilascio di olio<\/span>
      \nvolume<\/span>
      \n(ml)<\/span><\/td>\n      		Liquidazione<\/span>
      \n(mm)<\/span><\/td>\n      		Coefficiente di attrito<\/span><\/td>\nBulloni di montaggio bulloni\/prestazioni<\/span>
      \nclasse\/coppia di montaggio<\/span><\/td>\n      		Peso<\/span>
      \nstaffa esclusa<\/span>
      \n(kg)<\/span><\/td>\n<\/tr>\n
      Statico<\/span><\/td>\nDinamico<\/span><\/td>\n<\/tr>\n
      SB50<\/span><\/td>\n50\u00a0<\/span><\/td>\n1\u00a0<\/span><\/td>\n30\u00a0<\/span><\/td>\n1-2<\/span><\/td>\n0.4\u00a0<\/span><\/td>\n0.36\u00a0<\/span><\/td>\n8-M20\u300110.9\u3001550\u00b110<\/span><\/td>\n90\u00a0<\/span><\/td>\n<\/tr>\n
      SB100<\/span><\/td>\n100\u00a0<\/span><\/td>\n12\u00a0<\/span><\/td>\n50\u00a0<\/span><\/td>\n1-2<\/span><\/td>\n0.4\u00a0<\/span><\/td>\n0.36\u00a0<\/span><\/td>\n8-M24\u300110.9\u3001950\u00b110<\/span><\/td>\n150\u00a0<\/span><\/td>\n<\/tr>\n
      SB160<\/span><\/td>\n160\u00a0<\/span><\/td>\n12\u00a0<\/span><\/td>\n70\u00a0<\/span><\/td>\n1-2<\/span><\/td>\n0.4\u00a0<\/span><\/td>\n0.36\u00a0<\/span><\/td>\n8-M30\u300110.9\u30011900\u00b120<\/span><\/td>\n310\u00a0<\/span><\/td>\n<\/tr>\n
      SB250<\/span><\/td>\n250\u00a0<\/span><\/td>\n16.5\u00a0<\/span><\/td>\n95\u00a0<\/span><\/td>\n1-2<\/span><\/td>\n0.4\u00a0<\/span><\/td>\n0.36\u00a0<\/span><\/td>\n8-M36\u300110.9\u30013300\u00b140<\/span><\/td>\n452\u00a0<\/span><\/td>\n<\/tr>\n
      SB315<\/span><\/td>\n315\u00a0<\/span><\/td>\n17\u00a0<\/span><\/td>\n115\u00a0<\/span><\/td>\n1-2<\/span><\/td>\n0.4\u00a0<\/span><\/td>\n0.36\u00a0<\/span><\/td>\n8-M36\u300110.9\u30013300\u00b140<\/span><\/td>\n672\u00a0<\/span><\/td>\n<\/tr>\n
      SB400<\/span><\/td>\n400\u00a0<\/span><\/td>\n16.5\u00a0<\/span><\/td>\n170\u00a0<\/span><\/td>\n1-2<\/span><\/td>\n0.4\u00a0<\/span><\/td>\n0.36\u00a0<\/span><\/td>\n8-M48\u300110.9\u30017500\u00b1100<\/span><\/td>\n1100\u00a0<\/span><\/td>\n<\/tr>\n
      \n
      Coppia frenante Nm=F\u00d7\u03bc\u00d7d1<\/span>\u00a0<\/span><\/h6>\n<\/td>\n<\/tr>\n
      \u00a0\u00a0\u00a0 Tipo<\/span><\/td>\nA<\/span><\/td>\n\u00a0a1<\/span><\/td>\na2<\/span><\/td>\na3<\/span><\/td>\n\u00a0b1<\/span><\/td>\nb2<\/span><\/td>\nB<\/span><\/td>\nC<\/span><\/td>\nd<\/span><\/td>\nk<\/span><\/td>\nP<\/span><\/td>\nL<\/span><\/td>\nE<\/span><\/td>\nW<\/span><\/td>\nH<\/span><\/td>\nH1<\/span><\/td>\n<\/tr>\n
      \u00a0SB50<\/span><\/td>\n\u00a0 77\u00a0<\/span><\/td>\n\u00a077\u00a0<\/span><\/td>\n90\u00a0<\/span><\/td>\n38\u00a0<\/span><\/td>\n\u00a038\u00a0<\/span><\/td>\n38\u00a0<\/span><\/td>\n154\u00a0<\/span><\/td>\n150\u00a0<\/span><\/td>\n20.5\u00a0<\/span><\/td>\n56\u00a0<\/span><\/td>\n102\u00a0<\/span><\/td>\n300\u00a0<\/span><\/td>\n240\u00a0<\/span><\/td>\n\u00a0110\u00a0<\/span><\/td>\n310\u00a0<\/span><\/td>\n80\u00a0<\/span><\/td>\n<\/tr>\n
      \u00a0SB100<\/span><\/td>\n95\u00a0<\/span><\/td>\n\u00a095\u00a0<\/span><\/td>\n105\u00a0<\/span><\/td>\n45\u00a0<\/span><\/td>\n\u00a055\u00a0<\/span><\/td>\n45\u00a0<\/span><\/td>\n190\u00a0<\/span><\/td>\n180\u00a0<\/span><\/td>\n25\u00a0<\/span><\/td>\n71\u00a0<\/span><\/td>\n102\u00a0<\/span><\/td>\n348\u00a0<\/span><\/td>\n286\u00a0<\/span><\/td>\n\u00a0140\u00a0<\/span><\/td>\n360\u00a0<\/span><\/td>\n85\u00a0<\/span><\/td>\n<\/tr>\n
      SB160<\/span><\/td>\n\u00a0110\u00a0<\/span><\/td>\n\u00a0120\u00a0<\/span><\/td>\n135\u00a0<\/span><\/td>\n65\u00a0<\/span><\/td>\n\u00a070\u00a0<\/span><\/td>\n65\u00a0<\/span><\/td>\n260\u00a0<\/span><\/td>\n235\u00a0<\/span><\/td>\n31\u00a0<\/span><\/td>\n87\u00a0<\/span><\/td>\n106\u00a0<\/span><\/td>\n412\u00a0<\/span><\/td>\n370\u00a0<\/span><\/td>\n\u00a0170\u00a0<\/span><\/td>\n410\u00a0<\/span><\/td>\n95\u00a0<\/span><\/td>\n<\/tr>\n
      SB250<\/span><\/td>\n\u00a0130\u00a0<\/span><\/td>\n\u00a0120\u00a0<\/span><\/td>\n160\u00a0<\/span><\/td>\n75\u00a0<\/span><\/td>\n\u00a080\u00a0<\/span><\/td>\n75\u00a0<\/span><\/td>\n300\u00a0<\/span><\/td>\n275\u00a0<\/span><\/td>\n37\u00a0<\/span><\/td>\n87\u00a0<\/span><\/td>\n106\u00a0<\/span><\/td>\n456\u00a0<\/span><\/td>\n370\u00a0<\/span><\/td>\n\u00a0170\u00a0<\/span><\/td>\n470\u00a0<\/span><\/td>\n110\u00a0<\/span><\/td>\n<\/tr>\n
      \u00a0SB315<\/span><\/td>\n\u00a0140\u00a0<\/span><\/td>\n\u00a0175\u00a0<\/span><\/td>\n205\u00a0<\/span><\/td>\n85\u00a0<\/span><\/td>\n\u00a090\u00a0<\/span><\/td>\n82.5\u00a0<\/span><\/td>\n335\u00a0<\/span><\/td>\n330\u00a0<\/span><\/td>\n37\u00a0<\/span><\/td>\n137\u00a0<\/span><\/td>\n106\u00a0<\/span><\/td>\n476\u00a0<\/span><\/td>\n410\u00a0<\/span><\/td>\n\u00a0270\u00a0<\/span><\/td>\n500\u00a0<\/span><\/td>\n110\u00a0<\/span><\/td>\n<\/tr>\n
      \u00a0SB400<\/span><\/td>\n\u00a0170\u00a0<\/span><\/td>\n\u00a0180\u00a0<\/span><\/td>\n220\u00a0<\/span><\/td>\n120\u00a0<\/span><\/td>\n\u00a0110\u00a0<\/span><\/td>\n110\u00a0<\/span><\/td>\n440\u00a0<\/span><\/td>\n420\u00a0<\/span><\/td>\n50\u00a0<\/span><\/td>\n137\u00a0<\/span><\/td>\n142\u00a0<\/span><\/td>\n602\u00a0<\/span><\/td>\n546\u00a0<\/span><\/td>\n\u00a0270\u00a0<\/span><\/td>\n560\u00a0<\/span><\/td>\n115\u00a0<\/span><\/td>\n<\/tr>\n
      SB500<\/span><\/td>\n\u00a0170\u00a0<\/span><\/td>\n\u00a0180\u00a0<\/span><\/td>\n220\u00a0<\/span><\/td>\n120\u00a0<\/span><\/td>\n\u00a0110\u00a0<\/span><\/td>\n110\u00a0<\/span><\/td>\n440\u00a0<\/span><\/td>\n420\u00a0<\/span><\/td>\n50\u00a0<\/span><\/td>\n137\u00a0<\/span><\/td>\n142\u00a0<\/span><\/td>\n682\u00a0<\/span><\/td>\n542\u00a0<\/span><\/td>\n\u00a0270\u00a0<\/span><\/td>\n600\u00a0<\/span><\/td>\n115\u00a0<\/span><\/td>\n<\/tr>\n
      \n
      Dimensioni relative del disco freno (mm)<\/span><\/h6>\n<\/td>\n<\/tr>\n
      Tipo<\/span><\/td>\nb<\/span><\/td>\nD<\/span><\/td>\nd1<\/span><\/td>\nd2 max<\/span><\/td>\n<\/tr>\n
      SB50<\/span><\/td>\n30\u00a0<\/span><\/td>\n36\u00a0<\/span><\/td>\n40\u00a0<\/span><\/td>\n\u2265500<\/span><\/td>\nD-120<\/span><\/td>\nD-300<\/span><\/td>\n<\/tr>\n
      SB100<\/span><\/td>\n30\u00a0<\/span><\/td>\n36\u00a0<\/span><\/td>\n40\u00a0<\/span><\/td>\n\u2265500<\/span><\/td>\nD-150<\/span><\/td>\nD-380<\/span><\/td>\n<\/tr>\n
      SB160<\/span><\/td>\n30\u00a0<\/span><\/td>\n36\u00a0<\/span><\/td>\n40\u00a0<\/span><\/td>\n\u2265600<\/span><\/td>\nD-180<\/span><\/td>\nD-440<\/span><\/td>\n<\/tr>\n
      SB250<\/span><\/td>\n30\u00a0<\/span><\/td>\n36\u00a0<\/span><\/td>\n40\u00a0<\/span><\/td>\n\u2265600<\/span><\/td>\nD-180<\/span><\/td>\nD-480<\/span><\/td>\n<\/tr>\n
      SB315<\/span><\/td>\n30\u00a0<\/span><\/td>\n36\u00a0<\/span><\/td>\n40\u00a0<\/span><\/td>\n\u22651200<\/span><\/td>\nD-280<\/span><\/td>\nD-600<\/span><\/td>\n<\/tr>\n
      SB400<\/span><\/td>\n30\u00a0<\/span><\/td>\n36\u00a0<\/span><\/td>\n40\u00a0<\/span><\/td>\n\u22651800<\/span><\/td>\nD-280<\/span><\/td>\nD-660<\/span><\/td>\n<\/tr>\n
      SB500<\/span><\/td>\n30\u00a0<\/span><\/td>\n36\u00a0<\/span><\/td>\n40\u00a0<\/span><\/td>\n\u22651800<\/span><\/td>\nD-280<\/span><\/td>\nD-660<\/span><\/td>\n<\/tr>\n
      d1=diametro teorico di attrito, d2=diametro massimo consentito del tamburo o del mozzo<\/span>
      \nD: Per altri diametri di disco si prega di contattarci<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

       <\/p>","protected":false},"excerpt":{"rendered":"

      Freni di sicurezza per gru serie SB:<\/strong><\/p>\n

        \n
      • Modelli di prodotto: SB50, SB100, SB160, SB250, SB315, SB400, SB500<\/li>\n
      • Diametro del disco applicabile (mm): 500, 600, 1200, 1800<\/li>\n
      • Spessore del disco freno (mm): 30, 36, 40<\/li>\n
      • Forza di serraggio F (KN): 50-500<\/li>\n<\/ul>","protected":false},"featured_media":5387,"template":"","meta":{"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"show","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[],"product_cat":[58],"product_tag":[175,180,184,183,182,179,181,177,173,174,178,176],"class_list":{"0":"post-5386","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-crane-brake","7":"product_tag-brake","8":"product_tag-brakes-manufacturer","9":"product_tag-crane-brake","10":"product_tag-crane-disc-brakes","11":"product_tag-crane-drum-brakes","12":"product_tag-crane-hydraulic-disc-brake","13":"product_tag-crane-safety-brakes","14":"product_tag-disc-brakes","15":"product_tag-electro-hydraulic-drum-brakes","16":"product_tag-electro-hydraulic-disc-brakes","17":"product_tag-electromagnetic-disk-brake","18":"product_tag-overhead-crane-brakes","20":"first","21":"instock","22":"shipping-taxable","23":"product-type-simple","24":"entry","25":"content-bg","26":"loop-entry"},"yoast_head":"\nCrane Safety Brakes \u2013 Drum & Disc Brakes for Overhead Cranes<\/title>\n<meta name=\"description\" content=\"High-quality crane safety brakes including drum brakes and disc brakes. 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