產(chǎn)品詳情
美標(biāo)對(duì)夾式止回閥,上海對(duì)夾式止回閥報(bào)價(jià),上海止回閥公司
【美標(biāo)對(duì)夾式止回閥概述】
H71H(W)美標(biāo)對(duì)夾式止回閥由閥體、閥瓣、彈簧等組成,水平或垂直安裝于管路系統(tǒng),防止介質(zhì)倒流,具有結(jié)構(gòu)短、體積小、重量輕;
閥瓣關(guān)閉快速,水錘壓力??;流道通暢,流體阻力??;動(dòng)作靈敏,密封性能好。
【美標(biāo)對(duì)夾式止回閥結(jié)構(gòu)圖】
【美標(biāo)對(duì)夾式止回閥的型號(hào)、材料及主要參數(shù)】
配管法蘭
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公稱壓力
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常規(guī)產(chǎn)品型號(hào)
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JB/T 74 |
PN1.0MPa
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H71H-10C
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H71W-10P
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H71W-10P8
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H71W-10P3
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H71W-10R
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H71W-10R8
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H71W-10R3
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PN1.6MPa
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H71W-16C
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H71W-16P
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H71W-16P8
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H71W-16P3
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H71W-16R
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H71W-16R8
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H71W-16R3
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PN2.5MPa
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H71W-25
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H71W-25P
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H71W-25P8
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H71W-25P3
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H71W-25R
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H71W-25R8
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H71W-25R3
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PN4.0MPa
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H71W-40
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H71W-40P
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H71W-40P8
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H71W-40P3
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H71W-40R
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H71W-40R8
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H71W-40R3
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PN6.3MPa
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H71W-63
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H71W-63P
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H71W-63P8
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H71W-63P3
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H71W-63R
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H71W-63R8
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H71W-63R3
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PN10.0MPa
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H71W-100
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H71W-100P
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H71W-100P8
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H71W-100P3
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H71W-100R
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H71W-100R8
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H71W-100R3
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PN16.0MPa
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H71W-160
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H71W-160P
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H71W-160P8
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H71W-160P3
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H71W-160R
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H71W-160R8
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H71W-160R3
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GB/T 9112 |
PN2.0MPa
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H71H-20C
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—
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H71W-20P8
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H71W-20P3
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—
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H71W-20R8
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H71W-20R3
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PN5.0MPa
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H71H-50
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—
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H71W-50P8
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H71W-50P3
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—
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H71W-50R8
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H71W-50R3
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PN11.0MPa
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H71H-110
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—
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H71W-110P8
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H71W-110P3
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—
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H71W-110R8
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H71W-110R3
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PN15.0MPa
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H71H-150
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—
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H71W-150P8
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H71W-150P3
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—
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H71W-150R8
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H71W-150R3
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ANSI B 16.5
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Class150
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H71H-A1C
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—
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H71W-A1P8
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H71W-A1P3
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—
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H71W-A1R8
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H71W-A1R3
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Class300
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H71H-A3
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—
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H71W-A3P8
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H71W-A3P3
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—
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H71W-A3R8
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H71W-A3R3
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Class600
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H71H-A6
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—
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H71W-A6P8
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H71W-A6P3
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—
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H71W-A6R8
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H71W-A6R3
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Class900
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H71H-A9
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—
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H71W-A9P8
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H71W-A9P3
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—
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H71W-A9R8
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H71W-A9R3
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主 要 |
閥體
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WCB(A105)
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ZG1Cr18Ni9Ti
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CF8(304)
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CF3(304L)
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ZG1Cr18Ni12Mo2Ti
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CF8M(316)
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CF3M(316L)
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閥瓣
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2Cr13
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1Cr18Ni9Ti
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0Cr18Ni9
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00Cr19Ni10
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1Cr18Ni12Mo2Ti
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0Cr17Ni12Mo2
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00Cr17Ni14Mo2
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壓圈
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2Cr13
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1Cr18Ni9Ti
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0Cr18Ni9
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00Cr19Ni10
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1Cr18Ni12Mo2Ti
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0Cr17Ni12Mo2
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00Cr17Ni14Mo2
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彈簧
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0Cr18Ni9
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0Cr18Ni9
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0Cr18Ni9
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00Cr19Ni10
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0Cr17Ni12Mo2
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0Cr17Ni12Mo2
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00Cr17Ni14Mo2
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適 用 |
適用介質(zhì)
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水、蒸汽、油品等
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硝酸等腐蝕性介質(zhì)
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強(qiáng)氧化性介質(zhì)
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醋酸等腐蝕性介質(zhì)
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尿素等腐蝕性介質(zhì)
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適用溫度(℃)
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-29~425
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-196~540
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-196~425
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-196~540
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-196~455
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注:本表為常規(guī)對(duì)夾式止回閥的型號(hào)編制、主要零件材料及適用工況,其他要求及其型號(hào)編制參見對(duì)夾止回閥型號(hào)編制方法。
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