Globe valve through the valve stem to drive the valve flap along the axis of the sealing surface of the valve seat to do lifting movement, to achieve the purpose of opening and closing, can be used for a variety of pressures and a variety of temperatures to transport a variety of liquids and gases, but also can be used to do cut off, distribution and change the direction of flow of the medium of the control components. Globe valve rely on the pressure of the valve bar, so that the valve sealing surface and the valve seat sealing surface close to prevent the flow of media, belongs to the mandatory sealing valve. When the medium from below the valve flap into the valve, the operating force needs to overcome the resistance, is the stem and packing friction and the pressure generated by the medium of the thrust, the force off the valve is greater than the force of the open valve, so the diameter of the valve stem should be large, otherwise it will occur the stem top bending failure. The opening and closing parts of the globe valve is a plug-shaped valve flap, sealing above the plane or sea cone surface, the valve flap along the center line of the valve seat for linear movement
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This DIN Globe Valve provides precise control of flow rates and offers optimal shut-off capabilities. Designed for durability and efficiency, it is perfect for industrial use. The valve's globe design ensures minimal pressure drop, making it an ideal choice for regulating fluid flow in various applications.
3-A sanitary standard. The most common standard use in American for valve and fittings is 3-A sanitary standard. Which is specify the criteria for the design and fabrication of equipment that comes into contact with food. The guiding purpose of 3-A Sanitary Standards is to protect public health by using sanitary equipment. Want to know more about 3-A standard, please check this article A Primer for 3-A Sanitary Standards and 3-A Accepted Practices? Donjoy Sanitary valve and fittings are all hygienic design and meet 3-A standard.
FDA standard. The full name is the U.S. Food and Drug Administration(FDA Wikipedia ), which is another standard applied to valve gasket. Donjoy valve seal (e.g EPDM, PTFE, FPM, Silicone, NBR, HNBR) all comply with FDA standard.
ASME BPE standard is related to how to design and manufacture bioprocessing equipment like valve and pipe fittings intended for use in biopharmaceutical and personal-care products industries. Donjoy sanitary valve and pipe fittings as well as meet the standard. For more details please refer to ASME Wikipedia
Material. The sanitary valve body material must use health standards of stainless steel ASI 304 or 316L. But industrial valve body commonly uses carbon steel, alloy steel, cast iron or bronze, which are easily corroded or rust.
Metal surface. The hygienic valve and tube fittings require a high standard of the roughness to the metal surface, all parts that contact with the medium must be finely polished. Surface roughness is calculated measuring the average of surface heights and depths across the surface. This measurement is most commonly shown as &#;Ra&#;. SF1 RA20=0.51μm.
The ASME BPE surface finish table as below:
If you are looking for more details, kindly visit Cast Iron Globe Valve-DIN.
Seal. The seal inside hygienic valve is critical, must meet health standard. Donjoy sanitary valve seal comply with FDA standard.
The sanitary valve application is food processing, water, beverage, brewing, dairy, daily chemical, pharmaceutical industries&#;
The industrial valve application is oil, gas, slurry, agriculture&#;
There are some functional characteristics to end types. Connection end for sanitary valve include:
DIN and 3A, SMS dimension are most commonly used for sanitary pipe connection. Sanitary valve size often means valve port refer to the outside diameter(OD) of pipe.
DIN DIN standards refer to a series of technical standards originating in Germany. These standards are widely used throughout Europe to ensure norms for quality control, safety, environmental protection and rationalisation. Our sanitary butterfly valve DIN size is from DN10 to DN 300.
3A,SMS dimension in inches. It&#;s the most widely connection standard used in the world.
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