详细信息：产品介绍：一、产品[对夹式单向阀]的详细资料:产品型号：H74H产品名称：对夹式单向阀产品特点：薄型对夹旋启单向阀,薄型止回阀,对夹旋启单向阀型号：H74X-6/10/16PN6，PN10，PN25，PN40二、标准产零件材料组合：阀体碳钢阀板碳钢O-型环***或乙丙橡胶螺钉垫圈不锈钢吊环碳钢阀体不锈钢阀板不锈钢O-型环氟化橡胶螺钉垫圈不锈钢吊环不锈钢阀体不锈钢阀板不锈钢O-型环氟化橡胶螺钉垫圈不锈钢吊环不锈钢三、H74H对夹式止回阀主要尺寸：SizeBA(NF)LCNFPN16NFPN10NFPN16NFPN25NFPN40PN6PN10PN16PN25PN40DN4011/2″238893939316161616162276.5DN502″339810810810816161616162293DN6521/2″41118128128128161616161622113.8DN803″54134144144144161616161622128DN1004″71154164171170161616161622144.5DN1255″92184193196196161616161623173.5DN1506″112209220228228191919191924197.4DN2008″155264275288291282828282830254.5DN25010″201319330343354323232323239306.5DN30012″240375380403420383838383853357.5DN35014″270425440460477383838383853408.5DN40016″311470493517549484848484853448DN45018″360529543567574484848484877498.5DN50020″410579598627630585858585886550.5DN60024″490683697733-6868686868110665.5地址：上海市场中路3360号邮编：200436版权所有：中石化阀门沪ICP备05028075号电话：+862151619966传真：+862166516663E-mail：zsh@)