進口閥(fa)門(men)規格(ge)(ge)參(can)數通常(chang)(chang)涵(han)蓋(gai)以下內容，適用(yong)于(yu)(yu)石油化工(gong)、電力(li)、水(shui)處(chu)理等(deng)工(gong)業領域：1.**公(gong)稱通徑（DN）**國(guo)際通用(yong)規格(ge)(ge)為DN15-DN2000（1/2'-80'），美(mei)標以NPS表示（如(ru)NPS2'），需根(gen)據管(guan)路尺寸匹配選擇(ze)。2.**壓(ya)力(li)等(deng)級**-PN系(xi)列(lie)：PN10-PN420-美(mei)標Class系(xi)列(lie)：Class150-Class2500-特殊工(gong)況(kuang)需注(zhu)明工(gong)作(zuo)壓(ya)力(li)（MPa/psi）3.**閥(fa)體材(cai)質**-鑄鐵（CI）、球墨(mo)鑄鐵（DI）適用(yong)于(yu)(yu)低壓(ya)水(shui)系(xi)統-鑄鋼(gang)（WCB/WCC）用(yong)于(yu)(yu)中高(gao)壓(ya)工(gong)況(kuang)-不(bu)銹鋼(gang)（CF8/CF8M）適應(ying)腐蝕(shi)介(jie)質-雙相鋼(gang)、哈氏合(he)金(jin)等(deng)特種材(cai)料用(yong)于(yu)(yu)工(gong)況(kuang)4.**溫度范圍**常(chang)(chang)規閥(fa)門(men)適用(yong)-29℃~425℃，超低溫閥(fa)（LNG用(yong)）可達-196℃，高(gao)溫閥(fa)采(cai)用(yong)鉻(ge)鉬鋼(gang)材(cai)質，耐溫上限650℃。5.**連接方(fang)式**-法(fa)蘭式：符(fu)合(he)ASMEB16.5/EN1092標準(zhun)-對(dui)夾式：緊湊型(xing)安(an)裝-螺紋(wen)連接：NPT/BSPT螺紋(wen)標準(zhun)-焊接端：承插焊（SW）/對(dui)焊（BW）6.**驅動(dong)(dong)方(fang)式**-手動(dong)(dong)：齒輪箱/杠桿(gan)操作(zuo)-電動(dong)(dong)：IP67防護(hu)等(deng)級，轉矩范圍10-5000Nm-氣(qi)動(dong)(dong)：雙作(zuo)用(yong)/單(dan)作(zuo)用(yong)執行機(ji)構，壓(ya)力(li)0.4-0.7MPa-液動(dong)(dong)：高(gao)壓(ya)液壓(ya)驅動(dong)(dong)（≥10MPa）7.**密封(feng)性能**-軟密封(feng)：PTFE/EPDM泄漏等(deng)級達ANSIVI-硬密封(feng)：金(jin)屬對(dui)金(jin)屬結構，滿足API598標準(zhun)-防火設計：通過API607/API6FA認證(zheng)8.**認證(zheng)要(yao)求(qiu)**需符(fu)合(he)API600/6D、ISO5208、TA-Luft等(deng)，石化項目通常(chang)(chang)要(yao)求(qiu)SIL3功能安(an)全(quan)認證(zheng)。選型(xing)時需綜合(he)介(jie)質特性（腐蝕(shi)性/顆(ke)粒(li)物含(han)量）、流量特性（等(deng)百分比(bi)/線性）、響應(ying)時間（調節閥(fa)＜3s）等(deng)參(can)數。如(ru)Fisher、KITZ、Tyco的閥(fa)門(men)通常(chang)(chang)附帶3D模(mo)型(xing)文件和計算書，便(bian)于(yu)(yu)系(xi)統集成驗證(zheng)。

###進(jin)口(kou)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)的(de)應用(yong)領(ling)域(yu)(yu)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)作為(wei)流體(ti)(ti)(ti)控(kong)(kong)制(zhi)(zhi)系(xi)統(tong)的(de)部件，秦皇島(dao)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)，廣泛應用(yong)于(yu)能(neng)源、化(hua)(hua)工(gong)(gong)(gong)(gong)(gong)(gong)、制(zhi)(zhi)造(zao)、環(huan)(huan)保(bao)(bao)(bao)等關(guan)(guan)鍵領(ling)域(yu)(yu)。進(jin)口(kou)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)憑(ping)借其高(gao)(gao)(gao)精度(du)(du)(du)、可(ke)(ke)靠(kao)性(xing)和(he)(he)耐工(gong)(gong)(gong)(gong)(gong)(gong)況能(neng)力(li)，在(zai)(zai)(zai)以下場景(jing)中占據(ju)重(zhong)要地位：####1.**石(shi)油(you)與(yu)(yu)(yu)(yu)行業(ye)(ye)**在(zai)(zai)(zai)油(you)氣(qi)(qi)開采(cai)(cai)、長輸(shu)管(guan)道(dao)及(ji)煉化(hua)(hua)環(huan)(huan)節(jie)，進(jin)口(kou)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)需應對高(gao)(gao)(gao)壓、高(gao)(gao)(gao)溫(wen)及(ji)腐蝕(shi)性(xing)介質。例如，球閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)(he)閘閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)用(yong)于(yu)管(guan)道(dao)啟(qi)閉控(kong)(kong)制(zhi)(zhi)，抗硫高(gao)(gao)(gao)壓閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)可(ke)(ke)耐受含(han)的(de)惡劣環(huan)(huan)境。海(hai)底閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)需具備抗海(hai)水(shui)腐蝕(shi)和(he)(he)深水(shui)壓力(li)能(neng)力(li)，保(bao)(bao)(bao)障深海(hai)油(you)氣(qi)(qi)田安全運營。####2.**化(hua)(hua)工(gong)(gong)(gong)(gong)(gong)(gong)與(yu)(yu)(yu)(yu)石(shi)化(hua)(hua)領(ling)域(yu)(yu)**化(hua)(hua)工(gong)(gong)(gong)(gong)(gong)(gong)生產(chan)涉及(ji)強(qiang)酸(suan)、強(qiang)堿及(ji)有(you)(you)毒介質，進(jin)口(kou)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)采(cai)(cai)用(yong)哈氏合(he)金、鈦材(cai)等特(te)殊材(cai)質，確保(bao)(bao)(bao)耐腐蝕(shi)性(xing)。調(diao)節(jie)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)控(kong)(kong)制(zhi)(zhi)反(fan)應釜壓力(li)與(yu)(yu)(yu)(yu)流量，波(bo)紋管(guan)密封截止(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)有(you)(you)毒氣(qi)(qi)體(ti)(ti)(ti)泄(xie)漏(lou)。API標(biao)準安全閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)則為(wei)高(gao)(gao)(gao)壓反(fan)應裝(zhuang)置提供超(chao)壓保(bao)(bao)(bao)護(hu)。####3.**電力(li)與(yu)(yu)(yu)(yu)能(neng)源系(xi)統(tong)**火電廠(chang)主蒸汽(qi)管(guan)道(dao)使(shi)用(yong)耐540℃高(gao)(gao)(gao)溫(wen)的(de)鉻鉬鋼(gang)(gang)閘閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，站采(cai)(cai)用(yong)核級閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)滿足(zu)輻射防護(hu)要求(qiu)。LNG接(jie)(jie)收站的(de)超(chao)低溫(wen)球閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)可(ke)(ke)承(cheng)受-196℃液(ye)態，工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)標(biao)準，氫能(neng)儲運系(xi)統(tong)依(yi)賴(lai)(lai)金屬密封閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)防止(zhi)氫脆泄(xie)漏(lou)。####4.**水(shui)處理與(yu)(yu)(yu)(yu)環(huan)(huan)保(bao)(bao)(bao)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)**海(hai)水(shui)淡化(hua)(hua)裝(zhuang)置使(shi)用(yong)雙相不銹鋼(gang)(gang)蝶閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)抵抗氯(lv)離子腐蝕(shi)，污水(shui)處理廠(chang)的(de)刀(dao)閘閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)可(ke)(ke)處理含(han)固體(ti)(ti)(ti)顆粒(li)介質。智(zhi)能(neng)控(kong)(kong)制(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)配合(he)SCADA系(xi)統(tong)實現(xian)供排水(shui)網(wang)絡調(diao)度(du)(du)(du)，工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)銷(xiao)售，符合(he)環(huan)(huan)保(bao)(bao)(bao)排放標(biao)準。####5.**制(zhi)(zhi)造(zao)與(yu)(yu)(yu)(yu)特(te)殊場景(jing)**制(zhi)(zhi)藥行業(ye)(ye)采(cai)(cai)用(yong)衛生級隔(ge)膜閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)避免介質污染(ran)，食(shi)品飲(yin)料(liao)生產(chan)線使(shi)用(yong)快裝(zhuang)式蝶閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)滿足(zu)CIP清(qing)洗需求(qiu)。半導體(ti)(ti)(ti)工(gong)(gong)(gong)(gong)(gong)(gong)廠(chang)的(de)高(gao)(gao)(gao)純氣(qi)(qi)體(ti)(ti)(ti)系(xi)統(tong)依(yi)賴(lai)(lai)超(chao)高(gao)(gao)(gao)潔凈度(du)(du)(du)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)，航天領(ling)域(yu)(yu)特(te)種閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)需通過溫(wen)度(du)(du)(du)與(yu)(yu)(yu)(yu)振(zhen)動測試。進(jin)口(kou)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)通過精密鑄造(zao)、計算機模(mo)擬及(ji)嚴格認證體(ti)(ti)(ti)系(xi)（如API6D、ISO15848），在(zai)(zai)(zai)關(guan)(guan)鍵領(ling)域(yu)(yu)實現(xian)零(ling)泄(xie)漏(lou)、長壽命和(he)(he)智(zhi)能(neng)化(hua)(hua)控(kong)(kong)制(zhi)(zhi)。隨著工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)4.0發(fa)(fa)展(zhan)，工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)廠(chang)家，配備傳感(gan)器(qi)和(he)(he)物聯(lian)網(wang)接(jie)(jie)口(kou)的(de)智(zhi)能(neng)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)正成為(wei)流程(cheng)(cheng)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)升級的(de)重(zhong)要支撐。維替(ti)工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)是(shi)德國的(de)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)制(zhi)(zhi)造(zao)商，一(yi)直從事(shi)生產(chan)以自動控(kong)(kong)制(zhi)(zhi)調(diao)節(jie)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)為(wei)代表的(de)全系(xi)列閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)產(chan)品，主要應用(yong)在(zai)(zai)(zai)高(gao)(gao)(gao)壓力(li)、高(gao)(gao)(gao)溫(wen)度(du)(du)(du)、易沖蝕(shi)、腐蝕(shi)等苛(ke)刻工(gong)(gong)(gong)(gong)(gong)(gong)況下。W&T擁有(you)(you)新(xin)的(de)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)人員和(he)(he)生產(chan)設備，按客戶(hu)要求(qiu)開發(fa)(fa)和(he)(he)生產(chan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)。在(zai)(zai)(zai)所(suo)有(you)(you)重(zhong)要工(gong)(gong)(gong)(gong)(gong)(gong)業(ye)(ye)領(ling)域(yu)(yu)均有(you)(you)業(ye)(ye)績工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)，并與(yu)(yu)(yu)(yu)大學和(he)(he)相關(guan)(guan)機構在(zai)(zai)(zai)材(cai)料(liao)開發(fa)(fa)、流體(ti)(ti)(ti)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)熱力(li)學、設計和(he)(he)生產(chan)領(ling)域(yu)(yu)展(zhan)開合(he)作。

以(yi)下是進口(kou)工業(ye)(ye)閥門(men)領(ling)域的主要(yao)品牌排名及(ji)技(ji)術特點分(fen)析(xi)（按(an)市場影響力(li)與(yu)技(ji)術優勢排序）：維替工業(ye)(ye)是德國的閥門(men)制造商(shang)，一(yi)直從(cong)事生(sheng)(sheng)產(chan)(chan)(chan)以(yi)自(zi)動控制調節(jie)閥為代表(biao)的全系列閥門(men)產(chan)(chan)(chan)品，主要(yao)應用在高(gao)壓力(li)、高(gao)溫度、易(yi)沖(chong)蝕、腐蝕等(deng)苛刻工況下。W&T擁有(you)新的工程(cheng)人(ren)員和(he)(he)生(sheng)(sheng)產(chan)(chan)(chan)設備(bei)，按(an)客戶要(yao)求開發和(he)(he)生(sheng)(sheng)產(chan)(chan)(chan)閥門(men)。在所(suo)有(you)重(zhong)要(yao)工業(ye)(ye)領(ling)域均有(you)業(ye)(ye)績工程(cheng)，并與(yu)大學和(he)(he)相關機構在材料開發、流(liu)體工程(cheng)熱力(li)學、設計和(he)(he)生(sheng)(sheng)產(chan)(chan)(chan)領(ling)域展開合作。