NKJ61H真空截止閥

產品(pin)詳(xiang)情

【NKJ61H真(zhen)(zhen)空(kong)(kong)截(jie)止(zhi)閥(fa)(fa)】適用(yong)(yong)(yong)于工(gong)作(zuo)溫度(du)≤425℃和(he)≤550℃，工(gong)作(zuo)介質為水、蒸汽或空(kong)(kong)氣(qi)的管路上(shang)，作(zuo)為啟(qi)閉裝(zhuang)置；尤其適用(yong)(yong)(yong)于火電廠汽機冷(leng)凝和(he)真(zhen)(zhen)空(kong)(kong)負壓系統(tong)，起真(zhen)(zhen)空(kong)(kong)隔離密(mi)(mi)封(feng)作(zuo)用(yong)(yong)(yong)。【產(chan)品特點】： 1、真(zhen)(zhen)空(kong)(kong)截(jie)止(zhi)閥(fa)(fa)主(zhu)體采(cai)用(yong)(yong)(yong)鑄鍛結構，具(ju)有(you)(you)平(ping)行雙密(mi)(mi)封(feng)副半(ban)強制雙向密(mi)(mi)封(feng)，密(mi)(mi)封(feng)到位運(yun)動(dong)(dong)和(he)楔形塊楔緊運(yun)動(dong)(dong)分步作(zuo)用(yong)(yong)(yong)實現(xian)零泄漏(lou)。 2、真(zhen)(zhen)空(kong)(kong)截(jie)止(zhi)閥(fa)(fa)密(mi)(mi)封(feng)面運(yun)動(dong)(dong)磨擦力小(xiao)、啟(qi)閉輕(qing)便，而且密(mi)(mi)封(feng)面磨損(sun)有(you)(you)自(zi)動(dong)(dong)補償功(gong)能。 3、真(zhen)(zhen)空(kong)(kong)截(jie)止(zhi)閥(fa)(fa)結構簡單、緊湊、檢修方便，使用(yong)(yong)(yong)壽命(ming)長。 4、真(zhen)(zhen)空(kong)(kong)截(jie)止(zhi)閥(fa)(fa)閥(fa)(fa)蓋填料室設(she)有(you)(you)真(zhen)(zhen)空(kong)(kong)密(mi)(mi)封(feng)結構，具(ju)有(you)(you)自(zi)脹壓緊作(zuo)用(yong)(yong)(yong)，并且密(mi)(mi)封(feng)采(cai)用(yong)(yong)(yong)高強膨脹材料密(mi)(mi)封(feng)，使系統(tong)與(yu)大(da)氣(qi)完全(quan)隔離，具(ju)有(you)(you)很(hen)好的系統(tong)氣(qi)密(mi)(mi)性。 5、真(zhen)(zhen)空(kong)(kong)截(jie)止(zhi)閥(fa)(fa)連接(jie)(jie)形式(shi)分法(fa)蘭、焊接(jie)(jie)兩種，驅(qu)動(dong)(dong)方式(shi)有(you)(you)手動(dong)(dong)、電動(dong)(dong)兩種。