20UPA-20K不锈钢截止阀材质：阀体：SCS13ASCS14A阀盖：SCS13ASCS14A阀杆：SUS304SUS316阀瓣：SUS304SUS316规格LHD1/2151521861003/42017818610012520318710011/432………11/24022923616025026728918021/265292297200380318343250410035639830051254004873506150444558400820055966556010250622800680※12300)