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Válvulas borboleta

  • Standard U Section Double Flange Butterfly Valve
    Válvula borboleta de flange dupla de seção U padrão
    A FOTO MOSTRA AS ESPECIFICAÇÕES ABAIXO
    TAMANHO: 30″
    CLASSIFICAÇÃO: 150LB
    CORPO: ASTM A216 WCB
    DISCO: ASTM A351 CF8M
    HASTE: SS316
    ASSENTO: EPDM
    ACIONAMENTO: ATUADOR ELÉTRICO
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  • Lugged-Type Butterfly Valve (Cartridge Seat)
    Lugged-Type Butterfly Valve (Cartridge Seat)
    Nominal Diameter (DN) DN50 ~ DN600 (Optional)
    Nominal Pressure (PN) PN10/16 (Class 150), JIS 10K/16K
    Temperature Range -20°C to +120°C (EPDM Seat)
    -10°C to +180°C (PTFE Seat)
    Applicable Media Water, Air, Oil, Weakly Corrosive Liquids
    Connection Type Wafer-Type (ASME B16.5 / EN 1092-1/JIS B2220)
    Actuation Lever, Gear, Pneumatic, Electric
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  • Cartridge Rubber Seated Butterfly Valve In Wcb
    Válvula borboleta de assento de borracha de cartucho em Wcb
    A FOTO MOSTRA AS ESPECIFICAÇÕES ABAIXO
    TAMANHO: 8″~14″
    CLASSIFICAÇÃO: 200WOG
    CORPO: ASTM A216 WCB
    DISCO: ASTM A351 CF8
    HASTE: SS416 SEM PINO
    ASSENTO: NBR
    ACIONAMENTO: ENGRENAGEM
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  • Asme B16.47 B Series Vulcanized Rubber Seated Butterfly Valve
    Válvula borboleta com sede de borracha vulcanizada ASME B16.47 Série B
    TAMANHO: DN700
    CLASSIFICAÇÃO: PN6
    CORPO: ASTM A536 65-45-12
    DISCO: ASTM A351 CF8M
    HASTE: SS416 SEM PINO
    ASSENTO: NBR
    PINTURA: FLUOR CARBONO, C5-I
    ACIONAMENTO: ENGRENAGEM
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  • 4
    Válvula borboleta tripla de 4" e 150 lb
    Tamanho: 4″
    Classificação: 150LB
    Extremidades: com olhal conforme ANSI B16.5
    Materiais:
    Corpo ASTM A216 WCB
    Guarnições ASTM A182 F316L
    Operador: Base de montagem ISO5211 para atuador
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  • Standard Double Flange Butterfly Valve
    Válvula borboleta de flange dupla padrão
    AS FOTOS MOSTRAM AS ESPECIFICAÇÕES ABAIXO
    TAMANHO: DN450
    CLASSIFICAÇÃO: PN16
    CORPO: FERRO DÚCTIL ASTM 536 65-45-12
    DISCO: ASTM A536 FERRO DÚCTIL 65-45-12+ENP
    HASTE: SS416 SEM PINO
    ASSENTO: EPDM
    ACIONAMENTO: ENGRENAGEM
    Ver detalhes
  • Thermal Duty / High Temperature Triple Offset Butterfly Valve In Forged Steel
    Válvula borboleta de deslocamento triplo para serviço térmico/alta temperatura em aço forjado
    ESPECIFICAÇÕES DE AMOSTRA
    TAMANHO: 26″
    CLASSIFICAÇÃO: 1500LB
    CORPO: ASTM A105N
    DISCO: ASTM A182 F316
    JUGO ESTENDIDO: ASTM A182 F5
    HASTE: SS416
    ASSENTO: ASTM A182 F316
    VEDAÇÃO: SS316+LAMINADO DE GRAFITE
    ACIONAMENTO: ENGRENAGEM
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  • 28″ 150LB Wafer Style Butterfly Valve Drilled as per ASME B16.47 series B
    28″ 150LB Wafer Style Butterfly Valve Drilled as per ASME B16.47 series B
    Valve Type Centric Wafer Butterfly Valve
    Nominal Size 28″ (DN700)
    Pressure Rating 150LB (PN20)
    Face-to-Face Length EN558 Series 20 (165 mm)
    End Connection Wafer per ASME B16.47 B Drilling
    Design Standard API 609, EN 593
    Leakage Class EN 12266-1 Class A (Zero Leakage), API 598
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  • Cartridge Seat Wafer Concentric Butterfly Valve
    Cartridge Seat Wafer Concentric Butterfly Valve
    • Product Type: Concentric Butterfly Valve, Wafer Type
    • Seat Design: Cartridge Seat (Replaceable, Metal-Reinforced Resilient Seat)
    • Operation: Lever, Gearbox, Pneumatic Actuator, or Electric Actuator (ISO 5211 mounting pad)
    • Design Standard: EN 593 / API 609 / ISO 10631 / MSS SP-67
    • Face-to-Face: EN 558 Series 20 / API 609 Table 1
    • Flange Drilling: EN 1092-2 PN10/16, ASME B16.5 Class 150, JIS B2220
    • Test Standard: EN 12266-1 / API 598 / ISO 5208
    • Temperature Range: -40°C to +180°C (depending on seat material and pressure)
    • Pressure Rating: PN10/16, Class 150
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  • B148 C95800 Aluminum Bronze Lugged Butterfly Valve 2″ 150LB
    B148 C95800 Aluminum Bronze Lugged Butterfly Valve 2″ 150LB
    • Body & Disc: C95800 Aluminum Bronze (superior seawater/corrosion resistance)
    • Stem: Monel K500 (exceptional strength & chloride stress corrosion cracking resistance)
    • Seat: Viton® (excellent chemical/weather resistance, -20°C to 120°C)
    • Operation: Lever or Gear Actuator (selectable for manual/process control)
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  • PTFE Fully Lined Butterfly Valve Lugged Split Body
    PTFE Fully Lined Butterfly Valve Lugged Split Body
    Valve Type Concentric Butterfly Valve, Fully Lined with FEP (Fluorinated Ethylene Propylene)
    Body Design Split Body (Two-piece body, suitable for lug mounting, facilitates liner replacement)
    Connection Type Lug Type (Tapped lug holes for dead-end service), conforming to ISO 5752 / GB/T 12238
    Nominal Size DN50 ~ DN600 (2″ ~ 24″)
    Pressure Rating PN10 / PN16 / Class 150LB
    Ver detalhes
  • PFA Fully Lined Butterfly Valves Lugged
    PFA Fully Lined Butterfly Valves Lugged
    Design Standard MSS SP-67, MSS SP-115, API 609, ISO 5752
    Face-to-Face Dimension ISO 5752 Series 20, EN 558 Series 20, API 609 Table 1, ASME B16.10
    Flange Drilling ASME B16.5 Class 150, ASME B16.1 Class 125, JIS 10K, PN10, PN16, DIN 2501, HG/T 20592
    Ver detalhes

A butterfly valve is a type of quarter-turn valve used to regulate, isolate, or start and stop fluid flow in a piping system. It consists of a circular disc or plate mounted on a rotating shaft. When the handle or actuator turns the shaft 90 degrees, the disc moves from a fully closed to a fully open position, allowing flow through the valve. The disc remains in the flow path even when open, which means there is always a slight pressure drop. Butterfly valves are known for their compact design, fast operation, and cost-effectiveness, especially in large-diameter pipelines. They come in various types, such as wafer, lug, and double or triple offset styles, depending on the pressure and sealing requirements. These valves are widely used in industries such as water treatment, HVAC, chemical processing, oil and gas, and food and beverage, due to their reliability, low maintenance, and easy installation.

What Are The Advantages Of Using Butterfly Valves Over Other Valve Types?

Butterfly valves offer several advantages that make them a preferred choice in many industrial and commercial applications. First, their lightweight and compact structure requires less space and support compared to gate or globe valves, which is especially beneficial for high-diameter pipelines. They provide quick shutoff and throttling capabilities with just a quarter-turn, resulting in faster and easier operation, whether manual or automated. Butterfly valves are generally more cost-effective in both initial investment and maintenance, as they have fewer moving parts and simple construction. Additionally, they can handle a wide range of fluids, including gases, liquids, and slurries. With advancements in sealing technologies, modern butterfly valves can achieve tight shutoff, even in high-pressure and high-temperature systems. Their versatility in materials—such as stainless steel, cast iron, and PVC—makes them suitable for corrosive or sanitary environments, depending on the application needs.

Butterfly Valves FAQ

  • 1.Are butterfly valves suitable for high-pressure systems?

    Yes, triple offset butterfly valves are designed for high-pressure and high-temperature conditions.

  • 2.Can butterfly valves be used for throttling?

    Yes, they are often used for throttling and flow regulation.

  • 3.What materials are butterfly valves made from?

    Common materials include stainless steel, cast iron, ductile iron, PVC, and carbon steel.

  • 4.Are butterfly valves bidirectional?

    Most butterfly valves are bidirectional, but performance may vary by type and design.

  • 5.How long do butterfly valves last?

    With proper material selection and maintenance, they can last many years in industrial use.

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