品牌西博思连接形式法兰主体材料碳钢公称通径DN40-DN800（mm）适用介质蒸汽材质碳钢密封形式硬密封型标准GB外形大型流动方向单向驱动方式机械自动零部件及配件配件用途止回压力环境高压工作温度高温类型(通道位置)二通式型号H44H止回阀型号：PH44Y-16C/25C/40C/64C口径：DN50-DN350压力：1.6MPA-6.4MPA材质：主要尺寸及重量：型号公称通径DN（mm）主要尺寸（mm）重量（Kg）LDD1D2Z-φdbfHPH44H-10C802412001601328-φ18203260481002922201801568-φ18203270631503562852402128-φ22222901202004953402952688-φ222234520025062239535032012-φ222441225030069844540037012-φ222646832035078750546043016-φ2228452440040090056551548216-φ263060051745091861556553220-φ263267061050097867062058520-φ2634750705PH44H-16C802412001601328-φ18203260481002922201801568-φ1820270631503562852402128-φ222429013020049534029526812-φ222434521025062240535532012-φ262641226030069846041037012-φ2628446833035078752047042916-φ263052441540090058052548016-φ303260053245091864058554820-φ303467062550097871565060920-φ3036750720PH44H-25803182001601328-φ18243260481003562351901568-φ2224270651504443002502128-φ26282901402005353603102788-φ263043452302506224253703358-φ26324122803007114854303908-φ30346483503508385554904508-φ33385244404008646205505058-φ36406005504509786706005558-φ364267065050010167306606158-φ3644750745)