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單瓣對(duì)夾升降式止回閥

型 號(hào):
H71H/W/Y
類(lèi) 別:
單瓣對(duì)夾升降式止回閥
材 質(zhì):
鑄鋼/不銹鋼
電 話:
15921265952
SHLG上海梁工生產(chǎn)銷(xiāo)售的單瓣對(duì)夾升降式止回閥該產(chǎn)品采用對(duì)夾式連接,結(jié)構(gòu)緊湊,閥瓣沿著中心定位作 升降運(yùn)動(dòng),由于閥瓣的關(guān)閉行程短,并有彈簧加載,關(guān)閉速度快,可顯著減少水錘現(xiàn)象。對(duì)夾升降式止回閥具有體積小、重量輕、動(dòng)作靈敏、密封可靠、安裝方便等特點(diǎn).
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H71單瓣對(duì)夾升降式止回閥 介紹

特點(diǎn)

 具有結(jié)構(gòu)短、體積小、質(zhì)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

執(zhí)行標(biāo)準(zhǔn)

設(shè)計(jì)制造:JB/T8937
 結(jié)構(gòu)長(zhǎng)度:JB/T8937
 配管法蘭:JB/T74   
 試驗(yàn)與檢驗(yàn):JB/T9092-1999



主要尺寸及重量


公稱(chēng)壓力
       PN MPa
公稱(chēng)通徑
       DN mm
尺寸(mm)重量
       (Kg)
配管法蘭(供參考)
LDD2D3D4D5螺栓孔中心
       圓直徑Dl
螺栓
       數(shù)量
螺栓
       直徑d
螺栓
       長(zhǎng)度Ll
PN1.0MPa
       PN1.6MPa
151652152431400.12654M1275
201962193040500.24754M1290
252270243647580.34854M1290
322883314656680.531004M16100
4031.593395566780.801104M16105
5040108486578901.21254M16125
65461286280951101.81454M16130
805014276961101252.21608M16135
10065162951151351503.41808M16150
12590192110125132-9.02108M16180
150106218127150158-142408M20210
PN1.0MPa200140273165200208-242958M20240
PN1.6MPa200140273165200208-2429512M20240
PN2.5MPa151652152431400.12654M1280
201962193040500.24754M1290
252272243647580.34854M1290
322883314656680.531004M16110
4031.593395566780.801104M16115
5040108486578901.21254M16125
65461286280951101.81458M16135
805014276961101282.21608M16145
10060168951151351503.81908M20160
12590194110125132-9.22208M24205
150106224127150158-152508M24225
200140284165200208-2631012M24260
PN4.0MPa151652152431400.12654M1280
201962193040500.24754M1290
252272243647580.34854M1290
322883314656680.531004M16110
4031.593395566780.801104M16115
5040108486578901.21254M16125
65461286280951101.81458M16135
805014276961101282.21608M16145
10060168951151351503.81908M20160
12590194110125132-9.22208M24205
150106224127150158-152508M24225
200140291165200208-2832012M27275



材料及主要參數(shù)


配管法蘭公稱(chēng)壓力常規(guī)產(chǎn)品型號(hào)
JB/T74-90
       GB9112- 9124、
       HG20592- 20614
PN1.0MPaH71H-10CH71W10PH71W10P8H71W10P3H71W10RH71W10R8H71W10R3
PN1.6MPaH71H-16CH71H-16PH71H-16P8H71H-16P3H71H-16RH71H-16R8H71H-16R3
PN2.5MPaH71H-25H71H-25PH71H-25P8H71H-25P3H71H-25RH71H-25R8H71H-25R3
PN4.0MPaH71H-40H71H-40PH71H-40P8H71H-40P3H71H-40RH71H-40R8H71H-40R3
PN6.3MPaH71H-63H71H-63PH71H-63P8H71H-63P3H71H-63RH71H-63R8H71H-63R3
PN10.0MPaH71H-100H71H-100PH71H-100P8H71H-100P3H71H-100RH71H-100R8H71H-100R3
PN16.0MPaH71H-160H71H-160PH71H-160P8H71H-160P3H71H-160RH71H-160R8H71H-160R3
CB/T9112- 9124、
       HG20615- 20635、
       SH3406
PN2.0MPaH71H-20C-H71H-20P8H71H-20P3-H71H-20R8H71H-20R3
PN5.0MPaH71H-50-H71H-50P8H71H-50P3-H71H-50R8H71H-50R3
PN11.0MPaH71H-110-H71H-110P8H71H-110P3-H71H-110R8H71H-110R3
PN15.0MPaH71H-150-H71H-150P8H71H-150P3-H71H-150R8H71H-150R3
ANSIB16.5Class150H71H-A1C-H71H-A1CP8H71H-A1P3-H71H-A1R8H71H-A1R3
Class300H71H-A3-H71H-A3P8H71H-A3P3-H71H-A3R8H71H-A3R3
Class600H71H-A6-H71H-A6P8H71H-A6P3-H71H-A6R8H71H-A6R3
Class900H71H-A9-H71H-A9P8H71H-A9P3-H71H-A9R8H71H-A9R3
主要零件材料閥體WCB(A105)ZG1Cr18Ni9TiCF8(304)CF3(304L)ZG1Cr18Ni12Mo2TiCF8M(316)CF3M(316L)
閥瓣2Cr131Cr18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12TMo2i00Cr17Ni12Mo200Cr17Ni14Mo2
壓圈2Cr131Cr18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12TMo2i00Cr17Ni12Mo200Cr17Ni14Mo2
彈簧0Cr18Ni90Cr18Ni90Cr18Ni900Cr19Ni101Cr18Ni12TMo2i00Cr17Ni12Mo200Cr17Ni14Mo2
適用工況適用介質(zhì)水、蒸汽、 油品等硝酸等腐蝕性介質(zhì)強(qiáng)氧化性 介質(zhì)醋酸等腐蝕性介質(zhì)尿素等腐 蝕性介質(zhì)
適用溫度(℃)-29~425-196~540-196~425-196~540-196~455
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(jiàn)對(duì)夾式止回閥型號(hào)編制方法


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