三通抗生素截止阀 开孔式抗生素截止阀 多功能抗菌素阀门 WJ41H、WJ41W型波纹管截止阀PN16～PN40 dwj41型德标波纹管截止阀 J61Y型-200/250/320电站截止阀 J41F46-16C型手动直通式衬氟截止阀 J44F46-16C型手动角式衬氟截止阀 J945Y型法兰连接钢制截止阀PN16～PN160 J44W型手动不锈钢角式截止阀 J941Y型电动法兰截止阀PN16～PN160 J61YP57170V型J61Y-P57170V高压电站截止阀 J940H型法兰电动截止阀PN160～PN160 NKJ61H、NKJ61Y型真空焊接截止阀PN40～PN100 BJ45W型不锈钢直流式保温截止阀 J541W型伞齿轮法兰截止阀PN16～PN25 BJ41W型不锈钢保温截止阀 J41W型手动钢制截止阀PN16～PN160 J641型气动截止阀PN16～PN40 J41H、J41Y、J41W型手动法兰国标截止阀PN25 J41W型不锈钢法兰截止阀PN16～PN25 J641H型气动高温法兰截止阀PN16～PN40 J41F-16型手动钢制法兰截止阀 J41H、J41Y、J41W型高压法兰截止阀PN40～PN160 J961Y型电动焊接截止阀PN250～PN570 J40HX型手动柱塞截止阀PN16～PN40 J41H-150Lb型不锈钢美标截止阀 J941H型电动法兰截止阀PN16～PN160 J21W-16C6L型不锈钢外螺纹截止阀 J41H、J41Y、J41W型撞击式（带轴承）大口径截止阀 FJ41型PN16～PN160节流截止放空阀 J21W、J21H型手动内螺纹截止阀PN25～PN40 J41H、J41W、J41Y型-10K不锈钢日标截止阀 DJ41W、DJ41Y型PN16～PN40低温手动截止阀 J41N-40型燃气专用截止阀 J41H型手动钢制法兰截止阀PN16～PN160 J13、J23型仪表针形截止阀PN25～PN320 J41H型锻钢手动截止阀PN64～PN160 J41Y型钢制手动截止阀PN16～PN160 J61Y、J61H型高温对接焊电站截止阀PN200～PN320 JY41W、JY41Y型氧气专用截止阀PN16～PN40 JLH41H截止节流止回多功能阀 J41T/J41W法兰铸铁截止阀 J541H大口径锥齿轮截止阀 JY41W-40T全铜伞齿轮氧气截止阀 J565Y-2500Lb高温高压V截止阀 DSJ61Y能换双芯主蒸汽疏水截止阀 KHJ免冲刷截止阀 J65Y-100直流堆焊自密封式截止阀 J764Y高加入口阀 J541H大口径伞齿轮美标截止阀 SJ661Y高压差疏水截止阀 BJ66Y平衡式焊接节流阀 KSLJ41Y抗硫双作用平衡式节流截止阀 SLJ41Y高压双作用节流截止阀 SJQ46H-160自平衡法兰截止阀 KJL41YF-64C抗硫节流截止阀 WJP47无泄漏截止平衡阀 J961Y高温高压电站截止阀 J41H-16C大口径截止阀 J41H、J41Y、J41W国标截止阀 J11W内螺纹针截止阀 JY41W不锈钢氧气截止阀 J41F46法兰衬氟截止阀 J41F46衬氟直流式截止阀 JLH三合一多功能止回阀 J41X-10S塑料截止阀 J11F黄铜内螺纹截止阀 J11W美式不锈钢内螺纹截止阀 J641H气动法兰截止阀 J941H电动法兰截止阀 J41Y法兰自密封截止阀 J11W不锈钢内螺纹截止阀 J11W苏式内螺纹截止阀 J65Y直流式对焊截止阀 J61Y高温高压焊接截止阀 DSJ41H法兰式水封截止阀 DSJ61H焊接式水封截止阀 J45J衬胶直流式截止阀 J21B外螺纹氨用截止阀 J11B内螺纹氨用截止阀 J44B角式氨用截止阀 J41H美标法兰截止阀 J41H日标法兰截止阀 J41H德标法兰截止阀 BJ45H直流式保温截止阀 BJ41H直通式保温截止阀 水封截止阀 J41H-100高压截止阀 保温夹套直流式截止阀 J41Y/H-40截止阀 J941Fs电动衬氟截止阀 FJ41Y节流截止放空阀 QF-T3天然气截止阀 QF-T3B天然气截止阀 QF-T3E天然气截止阀 LJ86Y平衡式卡箍截止阀 J44H角式截止阀 J41H法兰式截止阀 J41W不锈钢法兰截止阀 DJ61F低温长轴截止阀 J44Y高压角式截止阀 NKJ41H法兰真空隔离截止阀 J14B内螺纹角式氨用截止阀 J11W丝扣截止阀 J24B外螺纹角式氨用截止阀 J15Y/J65Y内螺纹与承插焊Y截止阀 J65Y自密封Y截止阀 J61Y/J961Y/J561Y高温高压电站截止阀 DJ41Y法兰低温截止阀 J41H/J41W美标法兰截止阀 J641Fs气动衬氟截止阀 J42B法兰角式氨用截止阀 DS/J41H水封截止阀 J961H/J961Y高温高压电动截止阀 BJ45W不锈钢保温截止阀 J41B法兰氨用截止阀 NKJ61H焊接真空隔离截止阀 J41W法兰式不锈钢截止阀 BJ41W保温截止阀 J41J衬胶截止阀 J41F46衬氟截止阀 J41W不锈钢截止阀 DWJ41H暗杆式德标波纹管截止阀 WJ41HWJ41YWJ61HWJ61Y锻钢波纹管截止阀 J41N燃气截止阀 燃气日式截止阀 UJ41H柱塞截止阀 800lb-1500lb锻钢低温截止阀 50LB-600LB锻钢法兰端截止阀 800lb锻钢Ｙ截止阀 900Lb～2500lb锻钢自密封截止阀 J41W-16P-160P不锈钢截止阀 J41H重截止阀 J41B氨用截止阀 J41W铸钢美标截止阀 J41B-25C暗杆氨用截止阀 JY41W-40T全铜氧气专用截止阀 YJ41W氧气截止阀 J41H-100C电动高压截止阀 J61Y北京式焊接截止阀 JY41W氧气专用截止阀 YJ41W不锈钢氧气截止阀 J/L41H北京式法兰截止阀 J11H不锈钢内螺纹截止阀 DJ41H低温截止阀 WJ41H北京式波纹管截止阀 WJ44H角式波纹管截止阀 WJ41Y大连式锻钢波纹管截止阀 WJ41H美标波纹管截止阀 WJ41H国标波纹管截止阀 WJ41H德标波纹管截止阀 J61Y磅级电站截止阀 J41H美标锻钢截止阀 J41H美标截止阀 KJ43FH三通抗生素截止阀 KJ41F开孔式抗生素截止阀 J41F侧面开孔抗生素截止阀 J961Y耐磨陶瓷截止阀 J13W内螺纹截止阀 J40HX柱塞截止阀 J40H美标法兰截止阀 WJ41德标波纹管截止阀 WJ11波纹管截止阀 J941H电动截止阀 J641H气动截止阀 J61Y高温高压电站截止阀 J61Y高温高压对焊截止阀 J47H高压角式截止阀 J41铸钢截止阀 J44H法兰角式截止阀 J41Y铬钼钢截止阀 J41Y锻钢法兰截止阀 J41T铸铁截止阀 J41J直通式衬胶截止阀 J41H不锈钢法兰截止阀 NKJ61焊接真空截止阀 J23W不锈钢外螺纹截止阀 J13W不锈钢内螺纹截止阀 J45H直流式截止阀 DJ41法兰低温截止阀 BJ45W直流式保温截止阀 BJ44H夹套保温截止阀