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對(duì)夾式止回閥

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H71系列對(duì)夾升降式止回閥型號(hào),材料說(shuō)明 配管法蘭 公稱壓力 常規(guī)產(chǎn)品型號(hào) JB/T 74 ~90、 GB/T 9112 ~9124、 HG 20592 ~20614 PN1.0MPa H71H-10C H71W-10P H71W-10P8 H71W-10P3 H71W-10R H71W-10R8 H71W-10R3 PN1.6MPa H71W-16C H71W-16P H71W-16P8 H71W-16P3 H71W-16R H71W-16R8 H71W-16R3 PN2.5MPa H71W-25 H71W-25P H71W-25P8 H71W-25P3 H71W-25R H71W-25R8 H71W-25R3 PN4.0MPa H71W-40 H71W-40P H71W-40P8 H71W-40P3 H71W-40R H71W-40R8 H71W-40R3 PN6.3

對(duì)夾式止回閥 (2)

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對(duì)夾式止回閥 (2)

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