1 三偏金屬硬密封蝶

    特點及用途 Feature and usage

    三偏心多層次金屬硬密封蝶閥系列，系我公司新開發的長壽命、無泄漏、節能型蝶閥。產品符合國家標準JB/T8527—

97（金屬硬密封蝶閥）、FB/T13927—92（通用閥門壓力試驗）標準及閥門其它相關標準的規定，結合國內外*技術，采用三維偏心原理設計，密封圈采用硬軟密封兼具的多層次結構，適用于介質溫度≤65的冶金、電力、石油化工、空氣、煤氣、以及給排水等介質管道上作調節流體和截斷流體，密封性能可靠，是通用蝶閥向中壓高壓領域的延伸和發展。

       在此結構基礎上，可采用聚四氟乙烯替代多層次密封圈，形成新一代三偏心四氟密封蝶閥，廣泛應用在溫度≤200℃的腐蝕性介質中。

   Three biased multi-level metals hard seal butterfly valves series,is the long life whice the our company newly develops,not divulges,the energy conservation butterfly valve.The product conforms to nation standard JB/T8527-97（metal hardly to seal reed valve）,GB/T13927-J92（general valve pressure test）the standard and the valve other correlation standardsStipulations,unifies the domestic and foreign advanced technologies,uses the three dimensional eccentric principle design,The seal packing cllar uses hardly softly seals the concurrently multi-levelstructure,is suitable to the medium temperature<＝65℃ metallurgy,the electric power,the petroleum chemical industry,the air,the coal gas,as well as for medium pipeline on and so on the draining water makes the adjustment current capacity and the interruption fluid,the sealing property is reliable,is the general reed valve presses,center high temperature domain extending to the center with the development.

        In this structure foundation,may use the teflon to substitute the multi-level seal packing collar,forms the new generation of threeBiased four fluorine seals reed valve,widespread application in temperature<＝200℃corrosive medium environment.

     特點 Feature

1、蝶板密封為硬軟多層，具有硬軟密封雙重密封優點，無論在低溫還是在高溫工況下，具有優良的密封性能。

2、采用三偏心結構，閥座與蝶板幾乎無摩擦，具有越關越緊的密封性能，達到零的泄漏。

3、啟閉力矩小、操作靈活、活力節能，使用壽命長。

4、耐高溫、耐高壓、耐腐蝕適用范圍廣。

5、新一代三偏心私服密封蝶閥兼具了三偏心密封結構與軟密封的優點，密封性能可靠，適用范圍廣，使用壽命更長。

6、電動、氣動裝置采用過內外名優產品，性能更可靠（可有用戶）。

1,The butterfly board seal packing collar for hard is soft double-decked,has the hard soft seal dual  merit,regardless of in the low temperature orunder the high Temperature operating mode,has the fine sealing property.

2,Use three eccentric structures,the valve seat and the butterfly board nearly no friction,has the pass tighter sealing property,achieved zero divulges.

3,Opens shuts the moment of force slightly the operation nimble,the vigor energy conservation,the service life is longer.

4,Thermostable,bears the high pressure,the anti-corrosive applicable scope is broad,5^th,the new generation of three biased four fluorine seals reed valve concurrentfly has had three biased seals sturcture and the soft seal merit,the sealing property more reliable,the applicable scope broader,the service life is longer,6^th,electrically operated,the pneumatics use the domestic and foreign famous products,performance is more reliable（may assign by user|）.

     采用標準 Applicable standard

標準所屬國家
Standard respective country
制造標準
Manufacture standard
法蘭標準
Flange standard
結構長度標準
Face to Face standard
檢驗標準
Inspection standard
中國 GB
GB/T12238—1989
GB/T9113.1—2000
GB/12221—89
GB/T12927—92
美國 API
API 609—91
ANSI B16.34—96
ANSI 16.5a—92
MSS—SP—44
ANSI B1.10—92
API 598—94
日本 JIS
JIS B2004—84
JIS B2212～2216
JIS B2002—87
FIS B2003—87

注：可按用戶要求采用其它標準加工產品或加工非標準類蝶閥 Note：May use other standard processing products according to the user request or process the non—sign class butterfly valve

    主要零部件材料 Material for main parts

 零件名稱Pafrts name
零件材料 Pafrt material
閥體 Body
碳鋼、不銹鋼、鉻鋼、合金鋼 Carbon steel、Stainless steel、Cr-steel、Alloy steel
蝶板 Disc
碳鋼、不銹鋼、鉻鋼、合金鋼 Carbon steel、Stainless steel、Cr-steel、Alloy steel
密封圈 Seal ring
316不銹鋼+柔性石墨、聚四氟乙烯 316stainless steel+flecible graphite、fon
閥桿 Stem
45#、2Cr13、不銹鋼、鉻鉬鋼 Stainless steel、Cr-Mo steel
填料 Packing
柔性石墨、聚四氟乙烯 Flexinle graphite、Teflon
備注 Note：鑄鋼：WCB，合金鋼：WC6、WC9,鉻鉬鋼：ZG1CrMo，不銹鋼：CF8、CF8M、CF3、CF3M

    主要技術參數 Main technical parameter

公稱通徑 Nominal diameter
DN（mm）
100～300
100～600
公稱壓力 Nominal pressure
PN（Mpa）
0.6
1.0
1.6
2.5
4.0
試驗壓力 Test pressure
殼體強度試驗 Shell structural testing
0.9
1.5
2.4
3.75
6.0
密封試驗 Seal test
0.66
1.1
1.76
2.75
4.0
氣密性試驗 Air test
0.6
0.6
0.6
0.6
0.6
適用介質 Applicable medium
水、蒸汽、油品、酸類腐蝕性介質等及粉塵顆粒物Water,steam,oil quality,acids corrosive medium and so on and dust pelliet
適用溫度 Applicable temperature
-29℃≤碳鋼Carbon steel≤425℃、-40℃≤不銹鋼Stainless steel≤600℃、鉻鉬鋼Cr-Mo steel≤650℃
驅動形式 Actuation
手柄、渦輪、電動、氣動 handle，wormgear，electrically operated，air operating

       外型及連接尺寸D943 -PN6/10/16/25（DN50-3000）Contour and connection size

 

                 主要外型及連接尺寸（mm）Main contour and connection size