产品说明900系列安全阀全启式D/G（蒸汽/气体）标准式F（液体）900系列德标安全阀主要用于石油、***、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德标安全阀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1818181820222424L95100105115125145155175H260270285290290340400450941,942,943型安全阀DN15202525GE1/2"3/4"1"1"GA3/4"1"11/4"11/2"b15161818L50505050L153555858H260260260260961,962,963型安全阀951,952,953型安全阀DN152025GE1/2"3/4"1"GA1/2"1）1/2"2）1"b151618L424250L1343434H（***大）187187187)