Detalles ar producto
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 (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.
Ya nt'a̲ni frecuentes sencillas
Ir 'me̲t'o general, citamos wa respondemos boleto ar 5 t'olo ora — 4 ora 'me̲fa ga hä ár hño nthoki.
Nu'bu̲ gar na urgente da hyoni ar precio, pls ga xekwi wa mä ga ja ár correo electrónico pa da consideremos ár prioridad ar hño nthoki.
'Mefa xta confirmación ar precio, Pe requerir muestras pa gí hñeti ha ma hño. Nu'bu da t'ot'e ya muestras, Cobraremos nge
Ar costo ar muestra. Pe ar costo ar muestra to da reembolsable 'mefa xta confirmación ar pedido nu'bu̲ ár yá 'bede ya ar pedido ar nä'ä dige ar MOQ.
Hä, Di pehu̲ ko 'nar equipo xi hño ar tsa̲ ko 'nar tu ya mfeni jar fabricación. Dí mar tsa̲ ndi suministrar tamaños personalizados, Ya grado hñei, ne recubrimiento. 'Nehe podríamos suministrar ar paquete de acuerdo a ár zohni 'nehe ar costo ar muestra. Pe ar costo ar muestra to da reembolsable 'mefa xta confirmación ar pedido nu'bu̲ ár yá 'bede ya ar pedido ar nä'ä dige ar MOQ.
'Me̲fa gut'i ar 'be̲fi muestras ne pe̲hni ga archivos confirmados, Ya muestras wa ya listas jar 1-5 pa ar especificación regular. Wa da hñuts'i wa alrededor ar 15 pa producir 'ra'yo muestras. Ya muestras ar bí enviarán ya expreso ne ya llegarán jar 3-5 Ya pa. Tsa̲ da zu̲di ár 'nar nt'ot'ise̲ nu expresa wa gut'i ga ir adelantado nu'bu̲ hingi pe̲ts'i 'nar nu.
Honestamente, Bi jagu̲ju̲ yá 'bede jar pedido ne ya requisitos específicos ya productos. Ir general, será alrededor ar 20 ~ 35days.
'nar: Pa ar be̲xu ar inferior bí 100 ar kg, sugerimos ar envío ya FedEx, DHL, wa UPS; Nuna gehna mäs ar rápido ne nö'ö
hmädi.
b: Pa ar be̲xu ar entre 100 — 200kg, Sugerimos ar envío ya vía aérea; Nuna gehna rápido ne hmädi
c: Pa ar be̲xu ar mäs xi ngu 200kg, Sugerimos ar envío ya däzabi; Nuna gehna mäs ar lento ne ar mäs barato Podríamos gí hñeti ha ar carga ya expreso yá hño ndähi yá hño däzabi pa ár verificación nu'bu̲ nä'ä t'ot'e, To da 'ñets'i nä'ä da mäs mahyoni wa rentable pa nu'i. Pls, Informar ga ja ya nkohi entrega nu'bu̲ confirme ar pedido.
Hño nthoki productos
Fábrica Global de Productos Waterworks
Responderemos boleto ar 12 ya ora, Jaki ar mäte, preste Ntheti ar correo electrónico ko ar sufijo "@bwvalves.com".
'Nehe, dar tsa̲ ga ma jar Página contacto, da proporciona 'nar formulario mäs detallado, Nu'bu̲ pe̲ts'i mäs ja ya nt'ani dige productos wa gi uni 'nar njäts'i ya válvulas negociada.
HMUNTS'UJE expertos ventas responderán boleto ar 24 ya ora, Jaki ar mäte, preste Ntheti ar correo electrónico ko ar sufijo "@bwvalves.com".
Respondemos bí efectiva ja yá solicitudes archivos relacionados dentro ar 24 ya ora, Jaki ar mäte, preste Ntheti ar correo electrónico ko ar sufijo"@bwvalves.com”.
Hingi di molestaremos. 'Ñotho ar spam.
Respondemos bí efectiva ja yá solicitudes ya “BMAG Valves Catalog 2024″ ungumfädi dentro ar 24 ya ora, Jaki ar mäte, preste Ntheti ar correo electrónico ko ar sufijo"@bwvalves.com”.
Hingi di molestaremos. 'Ñotho ar spam.
