YZF4-13 J61 型承...
YZF4-13J61型承截止阀序号公称通径公称压力外型尺寸及连接尺寸DNPN(MPa)d0H1H2φL1616158288/60210195894/6031523112120666542028116...
YZF4-12 J43 W ...
YZF4-12J43W型法兰式截止阀H序号公称通径公称压力外型尺寸DNPN(MPa)D1D2DH1H2φL1101670351051051137517021575401101201321001703...
供应YZF4-11B J44...
YZF4-11BJ44-320型法兰式截止阀序号公称通径公称压力外型尺寸DNPN(MPa)D1D2H1H2L1332427080886026324270808860
YZF4-11A JG41-...
YZF4-11AJG41-320型法兰式截止阀序号公称通径公称压力外型尺寸DNPN(MPa)D1D2H1H2L133242708288120263242708288120制造材料20#,1Cr18N...