進(jìn)口伸縮蝶閥產(chǎn)品簡介-德國洛克

進(jìn)口伸縮蝶閥結(jié)構(gòu)特點(diǎn)：

1、設(shè)計(jì)新穎、合理、結(jié)構(gòu)獨(dú)特、重量輕、操作方便、啟閉迅速；

2、伸縮蝶閥除了能作調(diào)節(jié)和截流作用、補(bǔ)償管道溫差所產(chǎn)生的熱脹冷縮功能外，還能為安裝更換、難修閥門提供方便；

3、密封部位可調(diào)節(jié)更換，密封性能可靠等特點(diǎn)。

進(jìn)口伸縮蝶閥規(guī)格參數(shù)：

產(chǎn)品名稱： 進(jìn)口伸縮蝶閥

產(chǎn)品型號： LOCKE

驅(qū)動(dòng)方式： 手動(dòng)、蝸輪、電動(dòng)、氣動(dòng)

連接形式： 法蘭、焊接、對夾

適用溫度： ≤120℃

密封結(jié)構(gòu)： 軟密封

壓力范圍： 0.6-1.6Mpa

公稱通徑： DN50-2000

常用材質(zhì)： 鑄鐵、鑄鋼、不銹鋼、合金鋼等

產(chǎn)品用途:伸縮蝶閥具有自動(dòng)補(bǔ)償管道熱脹冷縮方便裝卸的功能，使用于溫度在425℃以下，公稱壓力在1.6MPa以下的石油，化工、電力、造紙、給排水和市政建設(shè)等工業(yè)管道上作調(diào)節(jié)流量和載斷流體的*裝置。

進(jìn)口伸縮蝶閥產(chǎn)品簡介：

德國洛克《DE LOCKE》進(jìn)口伸縮蝶閥（不銹鋼伸縮蝶閥，氣動(dòng)伸縮敵法，法蘭伸縮蝶閥，電動(dòng)伸縮蝶閥，襯氟伸縮蝶閥）具有自動(dòng)補(bǔ)償管道熱脹冷縮方便裝卸的功能，使用于溫度在120℃以下，公稱壓力在1.6MPa以下的石油，化工、電力、造紙、給排水和市政建設(shè)等工業(yè)管道上作調(diào)節(jié)流量和載斷流體的*裝置。

Introduction of imported telescopic butterfly valve products:
German Locke's de The imported telescopic butterfly valve (stainless steel telescopic butterfly valve, pneumatic telescopic butterfly valve, flange telescopic butterfly valve, electric telescopic butterfly valve, fluorine lined telescopic butterfly valve) has the function of automatically compensating the thermal expansion and cold contraction of the pipeline and facilitating the loading and unloading. It is used for the adjustment of industrial pipelines with temperature below 120 ℃ and nominal pressure below 1.6Mpa, such as petroleum, chemical, electric power, papermaking, water supply and drainage, municipal construction, etc Flow rate and the best device to carry off the fluid.

進(jìn)口伸縮蝶閥結(jié)構(gòu)形式：

1、按結(jié)構(gòu)形式分類：

(1)中心密封蝶閥

(2)單偏心密封煤閥

(3)雙偏心密封蝶閥

(4)三偏心密封跺閥

2、按密封面材質(zhì)分類：

(1)軟密封蝶閥。

(2)密封副由非金屬軟質(zhì)材料對非金屬軟質(zhì)材料構(gòu)成。

(3)密封副由金屬硬質(zhì)材料對非金屬軟質(zhì)材料構(gòu)成。

(4)金屬硬密封蝶閥。密封副由金屬硬質(zhì)材料對金屬硬質(zhì)材料構(gòu)成。

3、按密封形式分類：

(1)強(qiáng)制密封蝶閥

(2)彈性密封蝶閥。密封比壓由閥門關(guān)閉時(shí)閥板擠壓閥座，閥座或閥板的彈性產(chǎn)生

(3)外加轉(zhuǎn)矩密封蝶閥。密封比壓由外加于閥門軸上的轉(zhuǎn)矩產(chǎn)生

(4)充壓密封蝶閥。密封比壓由閥座或閥板上的彈件密封元件充壓產(chǎn)生

(5)自動(dòng)密封蝶閥。密封比壓由介質(zhì)壓力自動(dòng)產(chǎn)生。

4、按工作壓力分類：

(1)真空蝶閥。工作壓力低于標(biāo)堆大氣歷的蝶閥。

(2)低壓蝶閥。公稱壓力PN＜1．6MPa的蝶閥。

(3)中壓蝶閥。公稱壓力PN為2．5--6．4MPa的蝶閥。

(4)高壓碟閥。公稱壓力PN為10。0--80．0MPa的蝶閥。

(5)超高壓蝶閥。公稱壓力PN＞100MPa的蝶閥。

5、按工作溫度分類：

(1)高溫蝶閥。t＞450 C的蝶閥

(2)中溫碟閥。120 C＜t＜450 C的蝶閥

(3)常溫蝶閥。一40C＜t<；120 C的蝶閥

(4)低溫蝶閥。一100＜t＜一40 C的蝶閥

(5)超低溫蝶閥。t＜一100 C的蝶閥

6、按連接方式分類：

(1)對夾蝶閥

(2)法蘭蝶閥

(3)支耳式蝶閥

(4)焊接式蝶閥

Structure of imported telescopic butterfly valve:
1. According to the structure type:
(1) Center seal butterfly valve
(2) Single eccentric seal coal valve
(3) Double eccentric sealing butterfly valve
(4) Three eccentric seal stamp valve
2. Classification by sealing surface material:
(1) Soft seal butterfly valve.
(2) The sealing pair is composed of non-metallic soft material to non-metallic soft material.
(3) The sealing pair is composed of hard metal material and soft non-metal material.
(4) Metal hard seal butterfly valve. The sealing pair is composed of metal hard material to metal hard material.
3. According to the seal type:
(1) Forced seal butterfly valve
(2) Elastic seal butterfly valve. The sealing pressure is produced by the elasticity of the valve seat or valve plate when the valve is closed
(3) External torque sealing butterfly valve. The seal specific pressure is generated by the torque applied to the valve shaft
(4) Pressure sealing butterfly valve. The specific pressure of sealing is generated by the charging of spring sealing element on the valve seat or valve plate
(5) Automatic sealing butterfly valve. The sealing pressure is automatically generated by the medium pressure.
4. Classified by work pressure:
(1) Vacuum butterfly valve. Butterfly valve whose working pressure is lower than atmospheric pressure of standard reactor.
(2) Low pressure butterfly valve. Butterfly valve with nominal pressure PN < 1.6Mpa.
(3) Medium pressure butterfly valve. Butterfly valve with nominal pressure PN of 2.5-6.4mpa.
(4) High pressure butterfly valve. The nominal pressure PN is 10. 0-80.0mpa butterfly valve.
(5) Ultra high pressure butterfly valve. Butterfly valve with nominal pressure PN > 100MPa.
5. Classification by working temperature:
(1) High temperature butterfly valve. Butterfly valve with T > 450 C
(2) Medium temperature butterfly valve. 120 C < T < 450 C butterfly valve
(3) Normal temperature butterfly valve. A 40C < T <; 120c butterfly valve
(4) Low temperature butterfly valve. Butterfly valve of 100 t 40 C
(5) Ultra low temperature butterfly valve. T < 100 C butterfly valve
6. Classified by connection mode:
(1) Wafer butterfly valve
(2) Flange butterfly valve
(3) Lug type butterfly valve
(4) Welded butterfly valve