详细介绍 900系列德标安全阀主要用于石油、天然气、化工、电力、城市燃气等领域,作为超压保护装置,具有动作精度高,重复性好,回座准确,操作维护方便。 901型闭式阀帽闭式顶盖带手柄 902型开式阀帽开式顶盖带手柄 911型闭式阀帽气密式顶盖不带手柄 912型闭式阀帽开式顶盖带手柄 型号公称压力阀体材质公称通径工作温度35.901/902/911/912PN40/16铸钢1.0619 NDN20/32~DN150/250-10℃~ 450℃55.901/911PN40/16不锈钢1.4408DN20/32~DN100/150-60℃~ 400℃ DN20/3225/4032/5040/6550/8065/10080/125100/150125/200150/250流通孔径1822.529364558.57280100125流通面积25439866110181590268840726362882512266重量8.510142028405380125165■外形尺寸和连接尺寸901,902,911,912型安全阀DN1×DN220×3225×4032×5040×6550×8065×10080×125100×150125×200150×250D1PN16105115140150165185200220250285PN40235220300D2PN16140150165185200220250285340405b120202021222426283134b219192020202022222729L85100110115120140160180200220L195105115140150170195220250285H2702803303950435545610690845890排水孔(带螺塞,不锈钢结构为特别设计)G1/4"G3/8" 921,922,923,924型安全阀DN20253240506580100DPN16/PN40105115140150165185200220/235b铸钢/不锈钢阀体1818181820222424L95100105115125145155175H260270285290290340400450 941,942,943型安全阀DN15202525GE1/2"3/4"1"1"GA3/4"1"11/4"11/2"b15161818L50505050L153555858H260260260260 961,962,963型安全阀 951,952,953型安全阀DN152025GE1/2"3/4"1"GA1/2"1)1/2"2)1"b151618L424250L1343434H(zui大)187187187注:1)DN15GA可选3/4";2)DN20GA可选3/4"和1"。 900系列德标安全阀