主要特點(diǎn)及用途Chiet  features  and  usages

1.結(jié)構(gòu)緊湊，設(shè)計(jì)合理，閥門剛性好，通道流暢，流阻系數(shù)小。

2.密封面采用不銹鋼和硬質(zhì)合金，使用壽命長。

3.采用柔性石墨填料，密封可靠，操作輕便靈活。

4.驅(qū)動分式分別有手動、電動、氣動、齒輪傳動，結(jié)構(gòu)型式：彈性楔式單閘，剛性楔式單閘板和雙閘板型式。

5.廣泛適用于石油，化工，火力發(fā)電廠等油品，水，蒸汽管路上作接通或截?cái)喙苈分薪橘|(zhì)的啟閉裝置。

1.Compact  strucre,reasonable  design,good rigidity,smooth  channel,small  coefficient  of  flow resistance

2.The  sealing  face  uses  stainless  steeland  carbide  alloy  and  is  of  long  duration

3.Using  flexible  graphite  fillinga,reliable sealing,light  and  simble  operation

4.Four  driving  ways,manually,electrically,air-ioerating  a-nd  gear  driving,structure type,elastic  wedgeType

 with  s-ingle  gate board,rigid  wedge  type  with  single  of dual-ga-te  board

5.Widely  used  as  the  device  of  open  or close  to  connect  or  cut  off  the  medium inside  of the

 pipeline  of  water,steam  or oil  goods  in  steam  power   power  power  plants

設(shè)計(jì)、制造標(biāo)準(zhǔn)Standard for design and manufacture

1.設(shè)計(jì)制造按GB/T12234-89

2.法蘭連接尺寸按：JB/T79-94

3.閥門檢查和試驗(yàn)按GB/T13927-92

1.DesignManafacfure According to GB/T12234-89

2.FlangeDimensionAccording toJB/T79-94

3.valve Checkand TestAccording to GB/t13927-92

主要性能規(guī)范Chief  property  and  specification

試驗(yàn)壓力Test  pressure

適用范圍Suitable scope

主要零件材料Material for main parts

閥體、閥蓋

Body Bonnet

閘板、閥座

Wedge disc，Seat ring

閥桿

Stem

閥桿螺母

Yoke nut

填料

Packing

手輪

碳素鋼

Carburixing steel

優(yōu)質(zhì)碳鋼+硬質(zhì)合金或不銹鋼

High-grade carbon steel+carbide

alloy or stainless steel

鉻不銹鋼

Cr.stainless steel

ZQAL 9-4

鋁青銅

AI bronze

柔性石墨

Crapnie.asbestos coils

可鍛鑄鐵

Forgable cast-iron

鉻鎳鈦鋼

Cr.Ni.Ti steel

不銹鋼、不銹鋼+硬質(zhì)合金

Stainless steel+cardide alloy

鉻鎳鈦不銹鋼

Cr.Ni.Tistainless steel

ZQAL 9-4

鋁青銅

AI bronze

浸聚四氟乙

Dippibg polytetrafluo-

Rcethylene

可鍛鑄鐵

Forgable cast-iron

鉻鎳鉬鈦鋼

Cr.Ni.Mo.Ti steel

不銹鋼、不銹鋼+硬質(zhì)合金

Stainless steel+cardide alloy

鉻鎳鉬鈦不銹鋼

Cr.Ni.Mo.Tistainless steel

ZQAL 9-4

鋁青銅

AI bronze

烯石棉盤根

Asbestos coil

可鍛鑄鐵

Forgable cast-iron

鉻鉬鋼

Cr.Mo steel

合金鋼+硬質(zhì)合金

Alloy steel+Carbide alloy

鉻鉬鋁鋼

Cr.Mo.AI steel

ZQAL 9-4

鋁青銅

AI bronze

柔性石墨

Flexibie Graphite

可鍛鑄鐵

Forgable cast-iron

技術(shù)規(guī)范Technical specification

*注：系列蝶閥結(jié)構(gòu)長度及連接法蘭尺寸可根據(jù)用戶要求設(shè)計(jì)制造。

Note：The structural lengrh and connecting flange size of butterfly

valve series can be designed and manufactured as per users’ requirements

主要零件材質(zhì)表Form of Major Parts Materials

*注：系列閘閥主要零部件及密封密封閥座的材質(zhì)，可根據(jù)實(shí)際工況條件或用戶特殊要求設(shè)計(jì)選用。

Note：The main spare parts and sealed seat

      material of gate valve series can be

      designed for options as per users’special requirements.