產品目錄
聯系方式
聯系人:張惠淑
手機:
電話:86-
傳真:86-
地址:上海市普陀區中江路889號曹楊商務大廈1501—1504
郵編:200333
網址:xingbing120.cn
郵箱:
HERION安(an)全閥(fa)介質結晶溫(wen)(wen)度(du)高于z低環境溫(wen)(wen)度(du)時,安(an)全閥(fa)必(bi)須設(she)有保溫(wen)(wen)夾套,并安(an)裝保溫(wen)(wen)吹掃蒸(zheng)汽,防(fang)止介質結晶堵塞安(an)全閥(fa),影響安(an)全閥(fa)的(de)正常動作性能。安(an)全閥(fa)的(de)進出口管(guan)道也必(bi)須設(she)計成帶(dai)蒸(zheng)汽保溫(wen)(wen)夾套管(guan)或者增(zeng)加保溫(wen)(wen)蒸(zheng)汽伴(ban)管(guan),防(fang)止介質結晶堵塞管(guan)道。
HERION安(an)全閥的常(chang)見故障:
排放后閥(fa)瓣(ban)不(bu)回座:這主要是(shi)彈(dan)簧彎曲閥(fa)桿、閥(fa)瓣(ban)安裝(zhuang)位(wei)置不(bu)正或(huo)被卡住造成的。應重新(xin)裝(zhuang)配。
泄漏:在設備(bei)正(zheng)常工作壓力(li)下,閥(fa)(fa)瓣(ban)與(yu)閥(fa)(fa)座密封面(mian)之(zhi)間(jian)發生超過允許程度的滲漏。其原因(yin)有(you):閥(fa)(fa)瓣(ban)與(yu)閥(fa)(fa)座密封面(mian)之(zhi)間(jian)有(you)臟物。可使用(yong)提(ti)升扳手(shou)將閥(fa)(fa)開啟(qi)幾次,把(ba)臟物沖去;密封面(mian)損傷(shang)。應(ying)根據損傷(shang)程度,采(cai)用(yong)研磨或(huo)車削后研磨的方法加以修復;閥(fa)(fa)桿(gan)彎曲、傾斜或(huo)杠桿(gan)與(yu)支點偏斜,使閥(fa)(fa)芯與(yu)閥(fa)(fa)瓣(ban)錯位。應(ying)重新(xin)裝配或(huo)更換;彈簧(huang)彈性降低或(huo)失去彈性。應(ying)采(cai)取更換彈簧(huang)、重新(xin)調整開啟(qi)壓力(li)等措施。
NORGREN和海隆電磁閥產(chan)品的選擇(ze):
XXXXX14.XXXX Seat seal EPDM, for hot water,
max. fluid temperature +110 °C;
0.3 to 16 bar up to DN 25
XXXXX81.XXXX Core tube stainless steel,
Design acc. to DIN VDE 0580
Protection class acc. to EN 60529 IP65
Socket acc. to DIN EN 175301-803 (included)
Attention! Standard core tube with copper shading coil
Look for fluid resistant further options
Power Consumption
According to DIN VDE 0580 at coil temperature
of +20 °C. In operation the power consumption of the