iTukutuku Matailalai ni iYau
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, corrosion resistance, and application-specific requirements.
Metals: Stainless steel (grades like 304 or 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 (k.v., 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.
TTW Rawarawa
Eda dau cavuta se sauma lesu ena loma ni 5 miniti-4 na auwa ni oti na nomu vakatataro.
Kevaka o sa rui vakatotolotaka mo rawata na isau, pls qiriti keimami se tukuna vei keimami ena nomuni imeli me rawa ni keimami raica na nomuni vakaliuca na nomuni vakatataro.
Ni oti na veivakadeitaki ni isau, e rawa ni o gadreva na sabolo me dikevi kina na neitou ivakarau. Kevaka o gadreva na sabolo, eda na sauma na
na isau ni sabolo. Ia na sabolo ni isau e rawa ni saumi lesu ni oti na veivakadeitaki ni ota ni sa levu cake na nomu iwiliwili ni ota me baleta na MOQ.
Io, e tiko e dua na neitou timi ni cakacaka ka vutuniyau na veika e sotavi ena buli iyaya. Sa rawa ni da vakarautaka na kena levu, maka ni iyaya, kei na kote. E rawa talega ni keitou vakarautaka na pakete me vaka na nomu kerekere na isau ni sabolo. Ia na sabolo ni isau e rawa ni saumi lesu ni oti na veivakadeitaki ni ota ni sa levu cake na nomu iwiliwili ni ota me baleta na MOQ.
Ni oti na nomu sauma na sabolo ka vakauta mai na faile vakadeitaki, na sabolo ena vakarau tu ena 1-5 siga ni kena vakamatatataki wasoma. Se ena taura e 15 siga me caka kina na sabolo vou. Ena vakau yani vei iko na sabolo ena kena vakaraitaki ka yaco yani ki na 3-5 siga. E rawa ni o vakayagataka na nomu akaude vakaraitaki se sausaumi keitou taumada kevaka e sega na nomu akaude.
Dina, ena vakatau ena iwiliwili ni ota kei na nomu gagadre ni ivoli. E vakavuqa ni na rauta ni 20 ~ 35days.
a: Ni bibi e lailai sobu mai na 100kg, keitou vakatura na vakau mai vei FedEx, DHL, se UPS; oqo na totolo ka cecere duadua
sau levu.
b: Me baleta na bibi e tiko ena maliwa ni 100-200kg, keitou vakatura na vakau ena cagi; oqo e totolo ka sau levu
c: Ni bibi e sivia na 200kg, keitou vakatura na vakau e wasawasa; oqo na berabera ka sau lailai duadua e rawa ni da dikeva na iyaya ena kena vakaraitaki/ena cagi/e wasawasa me baleta na nomu jeke kevaka o gadreva, e rawa ni o digitaka na kena e rawarawa se sau levu duadua vei iko. Pls, tukuna vei keitou na ivakarau ni kena vakau ni ko vakadeitaka na ota.
Vakatataro ni Ivoli
Eda na sauma mai e loma 12 auwa, yalovinaka vakarorogo ki na imeli ka tiko na kena ikuri "@bwvalves.com".
Vakatalega kina, e rawa ni o lako ki na Tabana ni Veitaratara, ka na vakarautaka e dua na fomu matailalai cake, kevaka me levu cake na nomu vakatataro baleta na ivoli se o na vinakata mo rawata e dua na iwali ni wainidromu ka veivosakitaki na kena iwali.
Era na sauma na noda kenadau ni volivolitaki ena loma ni 24 auwa, yalovinaka vakarorogo ki na imeli ka tiko na kena ikuri "@bwvalves.com".
Keitou sauma vakavinaka na nomuni kerekere me baleta na faile veisemati ena loma ni 24 auwa, yalovinaka vakarorogo ki na imeli ena suffix "@bwvalves.com”.
Keitou na sega ni vakaosoosotaki iko. Sega na vakau itukutuku vakasisila.
Keitou sauma vakavinaka na nomuni kerekere me baleta na “BMAG Valves Catalog 2024″ itukutuku ena loma ni 24 auwa, yalovinaka vakarorogo ki na imeli ena suffix "@bwvalves.com”.
Keitou na sega ni vakaosoosotaki iko. Sega na vakau itukutuku vakasisila.
