進口氣動雙座調(diào)節(jié)閥德國洛克廠家強烈推薦

 

一、進口氣動雙座調(diào)節(jié)閥技術(shù)參數(shù)及性能：

進口氣動雙座調(diào)節(jié)閥技術(shù)參數(shù)

公稱通徑(DN) 20 25 32 40 50 65 80 100 125 150 200 250 300

閥座直徑(dn) 20 25 32 40 50 65 80 100 125 150 200 250 300

額定流量系數(shù)(KV) 直線 10 12.5 19.5 30.5 48.4 76 125 195 305 484 760 1000 1600

              等百分 8 11 17,6 27.5 44 69 110 176 275 440 690 900 1300

允許壓差(MPa) ≤ 公稱壓力

公稱壓力(MPa) 1.6,2.5,4.0,6.4,10.0

額定行程(mm) 16 25 40 60 100

配用執(zhí)行器型號 DE LOCKE-1 DE LOCKE-2 DE LOCKE-3 DE LOCKE-4 DE LOCKE-5

閥蓋形式 標準型(-17～ 250℃),高溫型( 250～ 450℃),低溫型(-40～-196℃),波紋管密封型(-40～ 350℃)

壓蓋形式 螺栓壓緊式

密封填料 V型聚四氟乙烯填料,V型柔性石墨填料

閥芯形式 雙座柱塞導(dǎo)向型閥芯

流量特性 直線性,等百分比

執(zhí)行機構(gòu)

進口氣動雙座調(diào)節(jié)閥執(zhí)行機構(gòu)

配置執(zhí)行器類別 DE LOCKE系列多彈簧簿膜執(zhí)行機構(gòu)

執(zhí)行器型號 DE LOCKE-1 DE LOCKE-2 DE LOCKE-3 DE LOCKE-4 DE LOCKE-5

有效面積(cm2) 350         350         560        900       1400

行程(mm) 10,16 24 40 40,60 100

彈簧范圍(KPa) 20～100(標準),20-60,60-100,40-200,80-240

膜片材料 丁腈橡膠夾尼龍布,乙丙橡膠夾尼龍布

供氣壓力 140～400KPa

氣源接口 RC1/4"

環(huán)境溫度 -30～ 70℃

可配附件 定位器,空氣過濾減壓器,保位閥,行程開關(guān),閥位傳送器,手輪機構(gòu)等

作用形式 氣關(guān)式(B)—失氣時閥位開(FO)；氣開式(K)—失氣時閥位關(guān)(FC)

零件材料

進口氣動雙座調(diào)節(jié)閥零件材料

1 底座       WCB 304 316 316L

2 閥體       WCB 304 316 316L

3 閥芯       304 304 316 316L

4 閥座       304 304 316 316L

5 銅套       黃銅

6 導(dǎo)向套       304 304 316 316L

7 墊片       PTFE\石墨墊片 PTFE\石墨墊片 PTFE\石墨墊片 PTFE\石墨墊片

8 閥蓋       WCB 304 316 316L

9 閥桿       304 304 316 316L

10 填料       PTFE/石墨 PTFE/石墨 PTFE/石墨 PTFE/石墨

11 填料壓蓋   WCB 304 316 316L

12 螺栓       25 0Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni9Ti

二、進口氣動雙座調(diào)節(jié)閥描述：

德國《DE LOCKE》洛克進口氣動雙座調(diào)節(jié)閥由多彈簧直行程氣動執(zhí)行器和直通雙座調(diào)節(jié)閥體組成。氣動雙座調(diào)節(jié)閥采用雙導(dǎo)向結(jié)構(gòu)，具有結(jié)構(gòu)緊湊、重量輕、動作靈敏、閥容量大、流量特性精確、拆裝方便等特點。氣動薄膜雙座調(diào)節(jié)閥閥體內(nèi)有上、下兩個閥芯，流體作用在上、下閥芯上的推力，其方向相反而大小接近，不平衡力很小，允許壓差大，額定流量系數(shù)比同口徑的單座閥大，但該閥的泄漏比單座閥大。氣動薄膜雙座調(diào)節(jié)閥適用于對泄露量要求不嚴格，閥前后壓差較大的干凈介質(zhì)場合。氣動雙座調(diào)節(jié)閥廣泛應(yīng)用于石油、化工、制藥、冶金、、電站等工業(yè)控制部門，主要控制氣體、液體、蒸汽等介質(zhì)。

二、 Description of inlet pneumatic double seat control valve：
German "de Locke" imported pneumatic double seat control valve is composed of multi spring straight stroke pneumatic actuator and straight through double seat control valve body. Pneumatic double seat control valve adopts double guide structure, which has the characteristics of compact structure, light weight, sensitive action, large valve capacity, accurate flow characteristics, convenient disassembly and assembly. There are two valve cores in the valve body of pneumatic diaphragm double seat control valve. The thrust force of fluid acting on the upper and lower valve cores is opposite and similar in size. The unbalance force is very small, the allowable pressure difference is large, the rated flow coefficient is larger than that of single seat valve with the same diameter, but the leakage of the valve is larger than that of single seat valve. The pneumatic diaphragm double seat control valve is suitable for clean medium occasions where the leakage requirement is not strict and the pressure difference between the front and back of the valve is large. Pneumatic double seat control valve is widely used in petroleum, chemical, pharmaceutical, metallurgy, power plant and other industrial control departments, mainly controlling gas, liquid, steam and other media.
 

三、進口氣動雙座調(diào)節(jié)閥結(jié)構(gòu)特點：

1.閥體內(nèi)有上、下兩個閥芯，流體作用在上、下閥芯上的推力，其方向相反而大小接近，不平衡力很小，允許壓差大，額定流量系數(shù)比同口徑的單座閥大。

2.閥的泄漏比單座閥大。

3.適用于對泄露量要求不嚴格，閥前后壓差較大的干凈介質(zhì)場合。

4.廣泛應(yīng)用于石油、化工冶金、電站等工業(yè)控制部門。

5.主要控制氣體、液體、蒸汽等介質(zhì)。

三、 Structural features of imported pneumatic double seat control valve:
1. There are upper and lower valve cores in the valve body. The thrust of fluid acting on the upper and lower valve cores is opposite in direction but similar in size. The unbalanced force is very small, the allowable pressure difference is large, and the rated flow coefficient is larger than that of single seat valve with the same diameter.
2. The leakage of the valve is larger than that of the single seat valve.
3. It is suitable for clean medium occasions where the leakage requirement is not strict and the pressure difference between the front and back of the valve is large.
4. Widely used in petroleum, chemical metallurgy, power plant and other industrial control departments.
5. Mainly control gas, liquid, steam and other media.