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Check Valve HH47/H/XF/HDH47X Manufacturer
Product： Butterfly Buffer Check Valve
Item No.： HH47/H/XF/HDH47X  
Calibre： DN200~DN1400
Nominal Pressure： 1.0～2.5MPa
Description: Butterfly buffer check valve is mainly used in industrial water supply, sewage treatment plant pump outlet, to prevent pipe network intermediary countercurrent.

Specification:

Product Performance of Item No. HH47/H/XF/HDH47X

主要技术参数
公称压力：1.0～2.5MPA
公称通经：40～1400MM
适用介质：水、油、污水、海水
适用温度：0～80℃（如需要，可达200℃）
法兰标准：GB/T 17241.6 GB/T 9113
试验标准: GB/T 13927 AP1598

主要零部件材料
零件名称 阀体 蝶板 阀杆 填料 密封圈
材料 灰铸铁、铸钢 灰铸铁、铸钢、球墨铸铁 不锈钢 聚四氟乙烯 丁腈橡胶
主要外形连接尺寸 单位：MM
DN（MM) 200 250 300 350 400 450 500 600 700 800 900 1000 1200 1400
L 230 250 270 290 310 330 350 390 430 470 510 550 630 710
H 550 630 690 780 860 910 980 1070 1220 1320 1430 1550 1800 1980
B1 540 600 650 710 770 830 900 1090 1200 1320 1420 1550 1780 2000
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