进口对焊式蝶阀 德国洛克LOCKE对焊式蝶阀

进口对焊式蝶阀产品概述：

德国《LOCKE》洛克--进口对焊式蝶阀采用精密的J形弹性密封圈和三偏心多层次金属硬密封结构，对焊式硬密封蝶阀被广泛用于介质温度≤425℃的治金 、电力、石油化工、以及给排水和市政建设等工业管道上，作调节流量和载断流体使用。该阀采用三偏心结构，阀座与碟板密封面均采用不同硬度和不锈钢制作，具有良好的耐腐蚀性，使用寿命长，本阀有双向密封功能。

进口对焊式蝶阀产品特点：

1、进口对焊式蝶阀主要特征是结构紧凑、重量轻、便于安装、流阻小、流通量大，避免高温膨胀的影响，操作轻便。体内无连杆、螺栓等、工作可靠、使用寿命长。可以多工位安装，不受介质流向影响。

2、进口对焊式蝶阀采用三偏心结构，蝶板与阀座瞬间接触或脱离，真正实现零磨损、零泄漏；

3、 进口对焊式蝶阀由于密封圈被完全镶嵌于蝶板内，维护时不用将整个阀门拆下，更换方便，大大降低了维护成本；

4、 进口对焊式蝶阀密封圈采用软硬层叠式不锈钢片和柔性石墨板（石墨橡胶板、石棉橡胶板等）的密封面，使其具有金属硬密封和弹性密封的双重优点，无论在低温和高温工况下均有优良的密封性能。

5、 进口对焊式蝶阀阀座密封锥面采用堆焊EDCr-B-15等硬合金，使得密封面耐磨损，使用寿命长，可连续启闭10000次以上而无损伤。

6、 进口对焊式蝶阀通过选用国际一等材料使得阀门具有耐高温特征，耐腐蚀的性能。

7、 进口对焊式蝶阀由于全部采用耐火材料，具有可靠的耐火性；

8、 进口对焊式蝶阀三偏心结构使阀具有自锁功能，蝶板关到密封位置时立即实现自锁，不会发生蝶板关过位的故障；

9、进口对焊式蝶阀操作轻松自如，输出端转矩低，蝶板流线形设计，压力损失系数低，进口对焊式蝶阀是节能产品；

10、 进口对焊式蝶阀密封阀座可调节，有利于装配与维修；

11、 进口对焊式蝶阀与管道的连接方式采用焊接连接，安装使用方便，即可手动，也可电动、气动， 实现智能控制。

12、进口对焊式蝶阀即可关闭截断介质，也可以任意调节介质流量。

进口对焊式蝶阀性能范围：

尺寸范围 DN40-2000mm

压力范围 PN0.6-6.4Mpa

温度范围 -20℃≈+550℃

适用介质 淡水，污水，海水，空气，蒸汽，食品，药品，各种油类，酸类，碱类，盐类等

阀体材质 铸钢、不锈钢、铬钼钢及特殊材料

蝶板材质 铸钢、合金钢（镀硬铬）、不锈钢、铬钼钢及特殊材料

密  封  圈 不锈钢、抗磨材料

阀杆材质 2Cr13、1Cr13不锈钢、铬钼钢

填       料 柔性石墨

Introduction of imported butt welding butterfly valve products:

German Locke imported butt welded butterfly valve adopts precise J-shaped elastic seal ring and three eccentric multi-layer metal hard seal structure. Butt welded hard seal butterfly valve is widely used in metallurgy, electric power, petrochemical industry, water supply and drainage, municipal construction and other industrial pipelines with medium temperature ≤ 425 ℃ to regulate flow and cut off fluid. The valve adopts three eccentric structure, the valve seat and disc sealing surface are made of different hardness and stainless steel, with good corrosion resistance and long service life. The valve has two-way sealing function.

Features of imported butt welding butterfly valve:

1. The main features of imported butt welding butterfly valve are compact structure, light weight, easy installation, small flow resistance, large flow volume, avoiding the influence of high temperature expansion, and easy operation. There is no connecting rod and bolt in the body, so it works reliably and has long service life. It can be installed in multiple positions, and is not affected by the flow direction of media.

2. The imported butt welding butterfly valve adopts three eccentric structure, the butterfly plate and the valve seat contact or separate instantly, realizing zero wear and zero leakage;

3. Because the seal ring of imported butt welding butterfly valve is completely embedded in the butterfly plate, it is not necessary to remove the whole valve during maintenance, so it is convenient to replace and greatly reduces the maintenance cost;

4. The seal ring of imported butt welding butterfly valve adopts the sealing surface of soft and hard laminated stainless steel sheet and flexible graphite plate (graphite rubber plate, asbestos rubber plate, etc.), so that it has the double advantages of metal hard seal and elastic seal, and has excellent sealing performance under low and high temperature conditions.

5. The imported butt welding butterfly valve seat sealing cone is overlaid with edcr-b-15 and other hard alloy, which makes the sealing surface wear-resistant, long service life, and can be opened and closed continuously for more than 10000 times without damage.

6. The imported butt welding butterfly valve has the characteristics of high temperature resistance and corrosion resistance by selecting the international first-class materials.

7. Imported butt welding butterfly valve has reliable fire resistance due to all refractory materials;

8. The three eccentric structure of imported butt welding butterfly valve enables the valve to have self-locking function. When the butterfly plate is closed to the sealing position, it can realize self-locking immediately, and there will be no fault of over closing of the butterfly plate;

9. The imported butt welding butterfly valve is easy to operate, with low output torque, streamline design of butterfly plate and low pressure loss coefficient. The imported butt welding butterfly valve is an energy-saving product;

10. The sealing seat of imported butt welding butterfly valve can be adjusted to facilitate assembly and maintenance;

11. The imported butt welding butterfly valve is connected with the pipeline by welding. It is easy to install and use. It can be operated manually, electrically and pneumatically to realize intelligent control.

12. The imported butt welding butterfly valve can close and cut off the medium, and the medium flow can be adjusted at will.

Performance range of imported butt welding butterfly valve:

Size range DN40-2000mm

Pressure range PN0.6-6.4Mpa

temperature range - 20℃≈+550℃

Applicable medium Fresh water, sewage, sea water, air, steam, food, medicine, various oils, acids, bases, salts, etc

body material Cast steel, stainless steel, chromium molybdenum steel and special materials

Butterfly plate material Cast steel, alloy steel (hard chromium plating), stainless steel, chromium molybdenum steel and special materials

seal ring Stainless steel, wear resistant material

Stem material 2Cr13, 1Cr13 stainless steel, chromium molybdenum steel

Fillers Flexible graphite