1 三偏金属硬密封蝶

    特点及用途 Feature and usage

    三偏心多层次金属硬密封蝶阀系列，系我公司新开发的长寿命、无泄漏、节能型蝶阀。产品符合国家标准JB/T8527—

97（金属硬密封蝶阀）、FB/T13927—92（通用阀门压力试验）标准及阀门其它相关标准的规定，结合国内外*技术，采用三维偏心原理设计，密封圈采用硬软密封兼具的多层次结构，适用于介质温度≤65的冶金、电力、石油化工、空气、煤气、以及给排水等介质管道上作调节流体和截断流体，密封性能可靠，是通用蝶阀向中压高压领域的延伸和发展。

       在此结构基础上，可采用聚四氟乙烯替代多层次密封圈，形成新一代三偏心四氟密封蝶阀，广泛应用在温度≤200℃的腐蚀性介质中。

   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.

     特点 Feature

1、蝶板密封为硬软多层，具有硬软密封双重密封优点，无论在低温还是在高温工况下，具有优良的密封性能。

2、采用三偏心结构，阀座与蝶板几乎无摩擦，具有越关越紧的密封性能，达到零的泄漏。

3、启闭力矩小、操作灵活、活力节能，使用寿命长。

4、耐高温、耐高压、耐腐蚀适用范围广。

5、新一代三偏心私服密封蝶阀兼具了三偏心密封结构与软密封的优点，密封性能可靠，适用范围广，使用寿命更长。

6、电动、气动装置采用过内外名优产品，性能更可靠（可有用户）。

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|）.

     采用标准 Applicable standard

标准所属国家
Standard respective country
制造标准
Manufacture standard
法兰标准
Flange standard
结构长度标准
Face to Face standard
检验标准
Inspection standard
中国 GB
GB/T12238—1989
GB/T9113.1—2000
GB/12221—89
GB/T12927—92
美国 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：可按用户要求采用其它标准加工产品或加工非标准类蝶阀 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

 零件名称Pafrts name
零件材料 Pafrt material
阀体 Body
碳钢、不锈钢、铬钢、合金钢 Carbon steel、Stainless steel、Cr-steel、Alloy steel
蝶板 Disc
碳钢、不锈钢、铬钢、合金钢 Carbon steel、Stainless steel、Cr-steel、Alloy steel
密封圈 Seal ring
316不锈钢+柔性石墨、聚四氟乙烯 316stainless steel+flecible graphite、fon
阀杆 Stem
45#、2Cr13、不锈钢、铬钼钢 Stainless steel、Cr-Mo steel
填料 Packing
柔性石墨、聚四氟乙烯 Flexinle graphite、Teflon
备注 Note：铸钢：WCB，合金钢：WC6、WC9,铬钼钢：ZG1CrMo，不锈钢：CF8、CF8M、CF3、CF3M

    主要技术参数 Main technical parameter

公称通径 Nominal diameter
DN（mm）
100～300
100～600
公称压力 Nominal pressure
PN（Mpa）
0.6
1.0
1.6
2.5
4.0
试验压力 Test pressure
壳体强度试验 Shell structural testing
0.9
1.5
2.4
3.75
6.0
密封试验 Seal test
0.66
1.1
1.76
2.75
4.0
气密性试验 Air test
0.6
0.6
0.6
0.6
0.6
适用介质 Applicable medium
水、蒸汽、油品、酸类腐蚀性介质等及粉尘颗粒物Water,steam,oil quality,acids corrosive medium and so on and dust pelliet
适用温度 Applicable temperature
-29℃≤碳钢Carbon steel≤425℃、-40℃≤不锈钢Stainless steel≤600℃、铬钼钢Cr-Mo steel≤650℃
驱动形式 Actuation
手柄、涡轮、电动、气动 handle，wormgear，electrically operated，air operating

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

 

                 主要外型及连接尺寸（mm）Main contour and connection size