Cikakken Bayani
The lever handle remains the most prevalent actuator for ball valves, prized for its straightforward design and operational efficiency. Its advantages stem from fundamental mechanical principles, material suitability, and the potential for clear visual system management.
Principle of Operation:
The lever handle operates on the simple yet effective principle of mechanical advantage. It facilitates a quarter-turn (90-degree) rotation to transition the ball valve between its fully open and fully closed positions. This design offers significant leverage, requiring minimal operator effort, even for larger valve sizes or those under high differential pressures. Crucially, the handle’s orientation provides an immediate and unambiguous visual indication of the valve’s status: parallel to the pipe signifies an open valve (allowing flow), while perpendicular indicates a closed state (blocking flow). This intuitive visual feedback is critical for operational safety and process control.
Material Selection:
Lever handles are commonly fabricated from a range of materials chosen for durability, juriya lalata, and application-specific requirements.
Metals: Stainless steel (grades like 304 ko 316 for superior corrosion resistance) and zinc-plated or powder-coated carbon steel are frequent choices for their strength, rigidity, and longevity, especially in industrial environments.
Plastics/Composites: Robust engineering plastics such as nylon, polypropylene, or PVC are used, particularly where chemical resistance to specific media is paramount or where electrical non-conductivity is beneficial. These are often lighter and can be more cost-effective.
Many metallic handles are also sleeved with vinyl, plastisol, or rubberized grips. These coatings enhance operator comfort, improve grip (especially in wet or oily conditions), provide thermal insulation, and can contribute to color-coding.
Color-Coding for System Identification:
Color-coding of lever handles is a widely adopted practice in many industries to facilitate rapid identification of the controlled media or the valve’s specific function, thereby enhancing operational safety and efficiency. While specific color standards can vary by industry, region, or even individual plant protocols, common conventions include:
Blue: Often designates potable water lines.
Yellow: Typically indicates gas services (e.g., natural gas, LPG).
Red: Commonly used for fire suppression systems, hot water, or emergency shut-off valves.
Green: May signify general water services (non-potable, irrigation), air, or specific process fluids.
Orange/Black: Can be used for oils, chemicals, or other specialized applications.
This visual cue aids operators in quickly distinguishing valve functions, preventing errors, and streamlining maintenance, particularly in complex piping systems. The combination of simple operation, robust materials, and clear identification makes the lever handle an enduringly effective solution for ball valve actuation.
FAQs masu sauƙi
Mu yawanci mukan faɗi ko amsa a ciki 5 mintuna-4 hours bayan mun sami tambayar ku.
Idan kuna gaggawa don samun farashin, pls ku kira mu ko ku gaya mana a cikin imel ɗin ku don mu ɗauki fifikon tambayarku.
Bayan tabbatar da farashin, zaka iya buƙatar samfurori don duba ingancin mu. Idan kuna buƙatar samfuran, za mu yi caji
farashin samfurin. Amma farashin samfurin za a iya dawowa bayan tabbatar da oda lokacin da adadin ku ya fi game da MOQ.
Ee, muna da ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwarewa a cikin masana'antu. Muna iya samar da masu girma dabam na musamman, maki na abu, da shafi. We also could supply the package according to your request the sample cost. Amma farashin samfurin za a iya dawowa bayan tabbatar da oda lokacin da adadin ku ya fi game da MOQ.
Bayan kun biya cajin samfuran kuma aika mana fayilolin da aka tabbatar, samfuran za su kasance a shirye a ciki 1-5 kwanaki don ƙayyadaddun yau da kullun. Ko zai dauki game da 15 kwanaki don samar da sababbin samfurori. Za a aika maka samfuran ta hanyar bayyanawa kuma su shigo 3-5 kwanaki. Kuna iya amfani da asusun ajiyar ku ko ku biya mu kafin lokaci idan ba ku da asusu.
Gaskiya, ya dogara da adadin tsari da takamaiman bukatun samfuran ku. Yawanci zai kasance a kusa da 20-35days.
a: Domin nauyi ne kasa da 100kg, muna ba da shawarar jigilar kaya ta FedEx, Farashin DHL, ya da UPS; wannan shi ne mafi sauri kuma mafi
tsada.
b: Domin nauyi ne tsakanin 100-200kg, muna ba da shawarar jigilar kaya ta iska; wannan yana da sauri da tsada
c: Domin nauyi ya wuce 200kg, muna ba da shawarar jigilar kaya ta teku; Wannan shi ne mafi hankali kuma mafi arha Za mu iya duba jigilar kaya ta hanyar faɗakarwa / ta iska / ta teku don duba ku idan kuna buƙata, za ka iya zaɓar wanda ya fi dacewa ko kuma mafi tsada a gare ku. Pls, sanar da mu sharuɗɗan bayarwa lokacin da kuka tabbatar da oda.
Binciken samfur
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Hakanan, za ku iya zuwa wurin Shafin Tuntuɓi, wanda ke ba da ƙarin cikakken tsari, idan kuna da ƙarin tambayoyin samfura ko kuna son samun shawarwarin warware matsalar bawuloli.
Masana tallace-tallacenmu za su amsa a ciki 24 hours, da fatan za a kula da imel tare da suffix "@bwvalves.com".
Muna amsa da kyau ga buƙatunku don fayil mai alaƙa a ciki 24 hours, da fatan za a kula da imel tare da suffix"@bwvalves.com”.
Ba za mu dame ku ba. Babu spam.
Muna amsa da kyau ga buƙatunku don “BMA Ba'al Valves Cataloog 2024″ bayani a ciki 24 hours, da fatan za a kula da imel tare da suffix"@bwvalves.com”.
Ba za mu dame ku ba. Babu spam.
