鋼(gang)質防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)是建筑防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)分隔(ge)體(ti)(ti)系(xi)中的(de)關鍵(jian)設(she)施，其(qi)性(xing)能(neng)要求需(xu)(xu)(xu)(xu)嚴(yan)格遵循（如GB12955-2008），確(que)(que)(que)保(bao)(bao)在(zai)火(huo)(huo)(huo)(huo)(huo)災(zai)(zai)中有(you)效阻(zu)隔(ge)火(huo)(huo)(huo)(huo)(huo)焰與(yu)(yu)高(gao)溫(wen)(wen)煙氣(qi)擴散，為人(ren)員疏散爭取時(shi)間(jian)(jian)。以(yi)下是其(qi)主要性(xing)能(neng)要求：**1.耐(nai)火(huo)(huo)(huo)(huo)(huo)極(ji)限(xian)與(yu)(yu)隔(ge)熱性(xing)能(neng)**鋼(gang)質防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)按耐(nai)火(huo)(huo)(huo)(huo)(huo)時(shi)間(jian)(jian)分為（≥1.5小時(shi)）、乙級（≥1小時(shi)）和(he)丙級（≥0.5小時(shi)）。耐(nai)火(huo)(huo)(huo)(huo)(huo)測(ce)(ce)試中，門(men)(men)(men)(men)(men)(men)(men)體(ti)(ti)需(xu)(xu)(xu)(xu)在(zai)標準火(huo)(huo)(huo)(huo)(huo)災(zai)(zai)條(tiao)件下保(bao)(bao)持結構完整(zheng)性(xing)和(he)隔(ge)熱性(xing)。背火(huo)(huo)(huo)(huo)(huo)面(mian)平均溫(wen)(wen)升不超過(guo)(guo)(guo)140℃，點(dian)溫(wen)(wen)升不超過(guo)(guo)(guo)180℃，以(yi)避免(mian)(mian)高(gao)溫(wen)(wen)引(yin)燃其(qi)他區域。耐(nai)火(huo)(huo)(huo)(huo)(huo)性(xing)能(neng)通(tong)過(guo)(guo)(guo)門(men)(men)(men)(men)(men)(men)(men)扇(shan)內(nei)部填充(chong)的(de)珍珠巖、防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)棉等隔(ge)熱材(cai)料及(ji)多(duo)層(ceng)鋼(gang)板(ban)結構實現。**2.材(cai)料與(yu)(yu)結構強(qiang)度**門(men)(men)(men)(men)(men)(men)(men)扇(shan)和(he)門(men)(men)(men)(men)(men)(men)(men)框采(cai)用(yong)冷軋鋼(gang)板(ban)，厚度不低于0.8mm（門(men)(men)(men)(men)(men)(men)(men)通(tong)常≥1.2mm），內(nei)部需(xu)(xu)(xu)(xu)增設(she)加強(qiang)筋提升抗(kang)變形能(neng)力(li)。門(men)(men)(men)(men)(men)(men)(men)框與(yu)(yu)墻(qiang)體(ti)(ti)需(xu)(xu)(xu)(xu)通(tong)過(guo)(guo)(guo)預埋鋼(gang)構件或膨脹螺栓牢固(gu)連接，確(que)(que)(que)保(bao)(bao)火(huo)(huo)(huo)(huo)(huo)災(zai)(zai)中不因結構失效而脫落。門(men)(men)(men)(men)(men)(men)(men)體(ti)(ti)表(biao)面(mian)需(xu)(xu)(xu)(xu)經(jing)鍍鋅(xin)、噴塑等防(fang)(fang)(fang)(fang)(fang)(fang)(fang)腐處(chu)理，延(yan)長使(shi)用(yong)壽命(ming)。**3.密封(feng)(feng)與(yu)(yu)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)煙性(xing)能(neng)**門(men)(men)(men)(men)(men)(men)(men)縫處(chu)需(xu)(xu)(xu)(xu)配(pei)(pei)(pei)置防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)膨脹密封(feng)(feng)條(tiao)，安(an)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)制防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)定制，遇高(gao)溫(wen)(wen)膨脹后能(neng)嚴(yan)密封(feng)(feng)閉(bi)(bi)(bi)縫隙(xi)，防(fang)(fang)(fang)(fang)(fang)(fang)(fang)止煙氣(qi)滲透。門(men)(men)(men)(men)(men)(men)(men)扇(shan)與(yu)(yu)門(men)(men)(men)(men)(men)(men)(men)框間(jian)(jian)隙(xi)需(xu)(xu)(xu)(xu)控制在(zai)3mm以(yi)內(nei)，且(qie)閉(bi)(bi)(bi)門(men)(men)(men)(men)(men)(men)(men)后無(wu)透光孔洞。部分高(gao)要求場所(suo)可增設(she)獨立煙感閉(bi)(bi)(bi)門(men)(men)(men)(men)(men)(men)(men)裝(zhuang)(zhuang)置，確(que)(que)(que)保(bao)(bao)火(huo)(huo)(huo)(huo)(huo)災(zai)(zai)初期(qi)及(ji)時(shi)關閉(bi)(bi)(bi)。**4.啟(qi)閉(bi)(bi)(bi)功能(neng)與(yu)(yu)配(pei)(pei)(pei)件耐(nai)久性(xing)**防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)需(xu)(xu)(xu)(xu)安(an)裝(zhuang)(zhuang)閉(bi)(bi)(bi)門(men)(men)(men)(men)(men)(men)(men)器(qi)、順位器(qi)等裝(zhuang)(zhuang)置，保(bao)(bao)障(zhang)平時(shi)常閉(bi)(bi)(bi)狀(zhuang)態(tai)及(ji)火(huo)(huo)(huo)(huo)(huo)災(zai)(zai)時(shi)自動閉(bi)(bi)(bi)合(he)。鉸鏈、鎖(suo)具等五金件需(xu)(xu)(xu)(xu)通(tong)過(guo)(guo)(guo)萬次啟(qi)閉(bi)(bi)(bi)測(ce)(ce)試，確(que)(que)(que)保(bao)(bao)長期(qi)使(shi)用(yong)無(wu)卡(ka)阻(zu)。雙扇(shan)門(men)(men)(men)(men)(men)(men)(men)還需(xu)(xu)(xu)(xu)配(pei)(pei)(pei)備順序閉(bi)(bi)(bi)鎖(suo)功能(neng)，避免(mian)(mian)門(men)(men)(men)(men)(men)(men)(men)扇(shan)錯位影響密封(feng)(feng)。**5.認證與(yu)(yu)合(he)規(gui)性(xing)**產品必須通(tong)過(guo)(guo)(guo)國家消防(fang)(fang)(fang)(fang)(fang)(fang)(fang)產品認證（CCCF），并加貼標志。安(an)裝(zhuang)(zhuang)后需(xu)(xu)(xu)(xu)由機構驗(yan)收，清遠安(an)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)鋼(gang)制防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)，確(que)(que)(que)保(bao)(bao)門(men)(men)(men)(men)(men)(men)(men)體(ti)(ti)與(yu)(yu)墻(qiang)體(ti)(ti)間(jian)(jian)隙(xi)填充(chong)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)砂(sha)漿(jiang)或巖棉，火(huo)(huo)(huo)(huo)(huo)勢(shi)繞流。綜(zong)上，鋼(gang)質防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)需(xu)(xu)(xu)(xu)兼顧耐(nai)火(huo)(huo)(huo)(huo)(huo)、隔(ge)熱、密封(feng)(feng)及(ji)耐(nai)久性(xing)，其(qi)選型(xing)、安(an)裝(zhuang)(zhuang)與(yu)(yu)維(wei)護均需(xu)(xu)(xu)(xu)符合(he)規(gui)范，才能(neng)發揮防(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)屏障(zhang)作用(yong)。用(yong)戶在(zai)采(cai)購(gou)時(shi)應核查檢測(ce)(ce)報(bao)告與(yu)(yu)認證信息，并根據使(shi)用(yong)場景(jing)選擇適配(pei)(pei)(pei)的(de)耐(nai)火(huo)(huo)(huo)(huo)(huo)等級。

【森(sen)(sen)林(lin)(lin)(lin)不銹(xiu)鋼(gang)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)：品(pin)(pin)質(zhi)鑄就(jiu)安(an)全(quan)(quan)(quan)(quan)屏(ping)障】在建筑安(an)全(quan)(quan)(quan)(quan)領域(yu)，防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)是守護(hu)生命與(yu)財產的(de)(de)(de)道(dao)防(fang)線。森(sen)(sen)林(lin)(lin)(lin)不銹(xiu)鋼(gang)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)憑借品(pin)(pin)質(zhi)與(yu)匠(jiang)心(xin)工(gong)藝(yi)，將安(an)全(quan)(quan)(quan)(quan)力量融入每(mei)一處細節，為現代建筑構(gou)筑起堅固的(de)(de)(de)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)屏(ping)障。**硬核材質(zhi)，鍛造安(an)全(quan)(quan)(quan)(quan)基石**森(sen)(sen)林(lin)(lin)(lin)不銹(xiu)鋼(gang)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)精(jing)選304/316L食品(pin)(pin)級(ji)不銹(xiu)鋼(gang)，兼具高強度與(yu)耐(nai)腐蝕性(xing)，門(men)(men)(men)體(ti)厚度達1.2-1.5mm，遠超行(xing)業標(biao)準。填充層(ceng)采(cai)用(yong)(yong)膨(peng)脹珍珠巖與(yu)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)硅酸鋁纖維復合(he)技(ji)術(shu)，遇高溫迅速膨(peng)脹形成致密(mi)隔熱層(ceng)，耐(nai)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)極限(xian)達90-180分鐘(zhong)，滿足防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)標(biao)準。門(men)(men)(men)框(kuang)與(yu)門(men)(men)(men)扇采(cai)用(yong)(yong)激光無縫焊接工(gong)藝(yi)，密(mi)封性(xing)能提升40%，安(an)防(fang)鋼(gang)制防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)定(ding)做，有(you)效隔絕火(huo)(huo)(huo)(huo)(huo)(huo)(huo)勢與(yu)煙霧蔓延。**智能科技(ji)，賦能安(an)全(quan)(quan)(quan)(quan)升級(ji)**產品(pin)(pin)搭載智能溫感預警系(xi)統，可實時(shi)監測環境(jing)溫度變化，聯動消防(fang)報警裝置(zhi)實現秒級(ji)響(xiang)應。門(men)(men)(men)體(ti)配(pei)備電磁(ci)閉(bi)門(men)(men)(men)器與(yu)雙(shuang)軸承(cheng)鉸鏈(lian)，確保火(huo)(huo)(huo)(huo)(huo)(huo)(huo)災時(shi)自動閉(bi)合(he)無卡阻。針對(dui)不同(tong)場景(jing)需求，推出電動控制、指紋識(shi)別等多功能集成方案，兼顧安(an)全(quan)(quan)(quan)(quan)性(xing)與(yu)便捷性(xing)。**全(quan)(quan)(quan)(quan)場景(jing)適(shi)配(pei)，守護(hu)多元空間(jian)**從(cong)商(shang)業綜合(he)體(ti)、醫院、學(xue)校到地下車庫(ku)、工(gong)業廠房，森(sen)(sen)林(lin)(lin)(lin)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)通過(guo)國家消防(fang)認證與(yu)ISO9001質(zhi)量管理(li)體(ti)系(xi)認證，可定(ding)制單開(kai)/雙(shuang)開(kai)、子母門(men)(men)(men)等多種規(gui)格，表(biao)面可選拉絲、鏡(jing)面、氟碳噴涂等工(gong)藝(yi)，實現防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)性(xing)能與(yu)建學(xue)的(de)(de)(de)統一。**終身服務體(ti)系(xi)，責任(ren)詮釋承(cheng)諾(nuo)(nuo)**森(sen)(sen)林(lin)(lin)(lin)品(pin)(pin)牌建立從(cong)設計咨詢(xun)、安(an)裝指導到定(ding)期(qi)巡(xun)檢的(de)(de)(de)全(quan)(quan)(quan)(quan)程(cheng)服務體(ti)系(xi)，提供10年質(zhi)保承(cheng)諾(nuo)(nuo)，2000+服務網點24小(xiao)(xiao)時(shi)響(xiang)應，用(yong)(yong)行(xing)動踐(jian)行(xing)'安(an)全(quan)(quan)(quan)(quan)無小(xiao)(xiao)事'的(de)(de)(de)企業理(li)念。以科技(ji)為盾，以品(pin)(pin)質(zhi)為矛，森(sen)(sen)林(lin)(lin)(lin)不銹(xiu)鋼(gang)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)始終以用(yong)(yong)戶安(an)全(quan)(quan)(quan)(quan)為，用(yong)(yong)每(mei)一扇門(men)(men)(men)的(de)(de)(de)精(jing)工(gong)制造，詮釋對(dui)生命的(de)(de)(de)敬畏與(yu)守護(hu)。選擇(ze)森(sen)(sen)林(lin)(lin)(lin)，不僅(jin)是選擇(ze)一道(dao)門(men)(men)(men)，更是選擇(ze)一份值得托付的(de)(de)(de)安(an)全(quan)(quan)(quan)(quan)承(cheng)諾(nuo)(nuo)。

乙(yi)級(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)的(de)耐火(huo)(huo)(huo)(huo)(huo)極(ji)(ji)限(xian)不低于(yu)**1小(xiao)時(shi)(shi)**，是(shi)中國建(jian)筑防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)規(gui)范中對(dui)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)耐火(huo)(huo)(huo)(huo)(huo)性(xing)(xing)(xing)能的(de)重(zhong)要(yao)(yao)分級(ji)標準。根據《GB12955-2008防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)》的(de)規(gui)定(ding)，乙(yi)級(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)需(xu)(xu)(xu)(xu)(xu)通過標準耐火(huo)(huo)(huo)(huo)(huo)試驗，在1小(xiao)時(shi)(shi)內(nei)保持完整(zheng)性(xing)(xing)(xing)（無穿(chuan)透性(xing)(xing)(xing)裂(lie)縫或孔(kong)洞）和隔熱性(xing)(xing)(xing)（背火(huo)(huo)(huo)(huo)(huo)面平(ping)均溫升不超過140℃，單點溫升不超過180℃），從而(er)為人員疏(shu)散(san)和火(huo)(huo)(huo)(huo)(huo)災撲救(jiu)爭取寶貴時(shi)(shi)間(jian)(jian)(jian)。###乙(yi)級(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)的(de)關鍵(jian)(jian)特(te)性(xing)(xing)(xing)與(yu)(yu)(yu)應用(yong)1.**材料與(yu)(yu)(yu)結(jie)構(gou)**乙(yi)級(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)通常(chang)采用(yong)鋼(gang)(gang)質或木質框架，內(nei)部填充珍(zhen)珠巖、防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)硅酸鋁棉等耐火(huo)(huo)(huo)(huo)(huo)材料。門(men)(men)(men)(men)(men)(men)(men)扇表面經(jing)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)涂料或阻燃處理(li)，門(men)(men)(men)(men)(men)(men)(men)框與(yu)(yu)(yu)門(men)(men)(men)(men)(men)(men)(men)扇間(jian)(jian)(jian)設(she)置膨脹(zhang)密(mi)封條(tiao)，遇高(gao)溫膨脹(zhang)以阻隔煙氣(qi)。五金件如鉸鏈、閉(bi)門(men)(men)(men)(men)(men)(men)(men)器也需(xu)(xu)(xu)(xu)(xu)具備耐火(huo)(huo)(huo)(huo)(huo)性(xing)(xing)(xing)能。2.**應用(yong)場(chang)(chang)景**乙(yi)級(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)廣泛用(yong)于(yu)高(gao)層建(jian)筑、商場(chang)(chang)、醫(yi)院(yuan)等人員密(mi)集場(chang)(chang)所(suo)的(de)疏(shu)散(san)通道、樓梯間(jian)(jian)(jian)、設(she)備井(jing)及(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)分區隔斷。例如，連接走廊與(yu)(yu)(yu)樓梯間(jian)(jian)(jian)的(de)門(men)(men)(men)(men)(men)(men)(men)需(xu)(xu)(xu)(xu)(xu)確保火(huo)(huo)(huo)(huo)(huo)災時(shi)(shi)1小(xiao)時(shi)(shi)內(nei)不失效(xiao)，為逃(tao)生和救(jiu)援提(ti)供屏障。3.**安裝與(yu)(yu)(yu)維護要(yao)(yao)求**安裝時(shi)(shi)需(xu)(xu)(xu)(xu)(xu)嚴格控制(zhi)門(men)(men)(men)(men)(men)(men)(men)縫尺寸（通常(chang)≤3mm），并使(shi)用(yong)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)膨脹(zhang)密(mi)封膠條(tiao)。日常(chang)需(xu)(xu)(xu)(xu)(xu)定(ding)期(qi)檢查閉(bi)門(men)(men)(men)(men)(men)(men)(men)器功能、密(mi)封條(tiao)完整(zheng)性(xing)(xing)(xing)及(ji)五金件牢固性(xing)(xing)(xing)，確保火(huo)(huo)(huo)(huo)(huo)災時(shi)(shi)能自(zi)動閉(bi)合并有效(xiao)阻火(huo)(huo)(huo)(huo)(huo)。###技術標準與(yu)(yu)(yu)測試乙(yi)級(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)的(de)耐火(huo)(huo)(huo)(huo)(huo)性(xing)(xing)(xing)能測試嚴格遵循《GB/T9978-2008建(jian)筑構(gou)件耐火(huo)(huo)(huo)(huo)(huo)試驗方法》，安防(fang)(fang)(fang)(fang)鋼(gang)(gang)制(zhi)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)公司，模(mo)擬標準火(huo)(huo)(huo)(huo)(huo)災升溫曲(qu)線（ISO834曲(qu)線）進行燃燒實(shi)驗。測試中需(xu)(xu)(xu)(xu)(xu)同時(shi)(shi)滿(man)足完整(zheng)性(xing)(xing)(xing)和隔熱性(xing)(xing)(xing)指標，且(qie)不允許出現竄(cuan)火(huo)(huo)(huo)(huo)(huo)現象。###重(zhong)要(yao)(yao)性(xing)(xing)(xing)說明(ming)乙(yi)級(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)是(shi)建(jian)筑被動防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)體(ti)系的(de)組件，其(qi)1小(xiao)時(shi)(shi)的(de)耐火(huo)(huo)(huo)(huo)(huo)能力(li)可有效(xiao)延(yan)緩火(huo)(huo)(huo)(huo)(huo)勢(shi)蔓延(yan)，降(jiang)低財產(chan)損失和人員傷(shang)亡(wang)風險。設(she)計、施工及(ji)使(shi)用(yong)單位需(xu)(xu)(xu)(xu)(xu)嚴格選用(yong)經(jing)（CCCF標志）的(de)產(chan)品，并定(ding)期(qi)維護，確保其(qi)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)效(xiao)能。總結(jie)而(er)言，乙(yi)級(ji)防(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)門(men)(men)(men)(men)(men)(men)(men)以1小(xiao)時(shi)(shi)耐火(huo)(huo)(huo)(huo)(huo)極(ji)(ji)限(xian)平(ping)衡了(le)安全(quan)性(xing)(xing)(xing)與(yu)(yu)(yu)經(jing)濟性(xing)(xing)(xing)，是(shi)建(jian)筑消(xiao)防(fang)(fang)(fang)(fang)設(she)計中不可或缺的(de)關鍵(jian)(jian)環節。