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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
    Ver detalhes
  • 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
    Ver detalhes
  • 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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  • Double Flanged Butterfly Valve(DI/Al-bronze/EPDM)
    Double Flanged Butterfly Valve(DI/Al-bronze/EPDM)
    Nominal Diameter DN50 ~ DN600
    Pressure Rating PN10/16 (Class 150) · PN25 (Optional)
    Temperature Range -30°C to +120°C (EPDM Seat)
    Leakage Class ANSI Class VI (ISO 5208 Grade A)
    Connection Type Double Flanged (RF Facing per ASME B16.5)
    Actuator Mounting ISO 5211 F05-F14
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  • 4″-150LB-Lugged PFA Lined Butterfly Valve
    4″-150LB-Lugged PFA Lined Butterfly Valve
    Nominal size (NPS) 4″ (DN100)
    Pressure rating Class 150LB (PN10 / PN16)
    Valve type Lugged, concentric (center line)
    Temperature range -29°C ~ +160°C (standard PFA); -20°C ~ +200°C (high performance PFA/TFM)
    Vacuum capability Suitable from -10°C to +160°C, down to 0.0002 psia
    Leakage rating Bidirectional zero leakage, ISO 5208 Rate A / ANSI Class VI
    Flow direction Bidirectional
    Mounting orientation Any angle
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  • Economy Wafer-type Butterfly Valves (CF8/CF8/PTFE)
    Economy Wafer-type Butterfly Valves (CF8/CF8/PTFE)
    Valve Type Wafer Type, Concentric (Centric) Butterfly Valve
    Nominal Size (DN) DN50 ~ DN600 (2″ ~ 24″)
    Nominal Pressure (PN) PN10 / PN16 / Class 150LB
    Structure Style Concentric (Center line) Design
    Connection Type Wafer-Type (Fits between EN 1092-2, ASME B16.5, or JIS flanges)
    Temperature Range -29°C ~ +180°C (-20°F ~ +356°F)
    Applicable Media Acids, Alkalis, Chemical solutions, Potable Water, Food products, Pharmaceutical fluids
    Design Standard GB/T 12238 / API 609 / EN 593
    Face-to-Face Dimension ISO 5752 Series 20 (Short pattern) / API 609 Category A
    Pressure Testing ISO 5208 / API 598
    Operation Lever Handle (DN50-150), Worm Gear (DN200-600), Electric Actuator, Pneumatic Actuator
    Ver detalhes
  • Loose Liner Wafer-Type Butterfly Valve cw Gear
    Loose Liner Wafer-Type Butterfly Valve cw Gear
    Valve Type Wafer Type Butterfly Valve (Center Line / Concentric Design)
    Body Material Ductile Iron (ASTM A536 Grade 65-45-12 / GGG-50)
    Disc Material Ductile Iron + Nickel Plated (Electroless Nickel Plating – ENP)
    Stem Material Stainless Steel (AISI 410 / 304 / 316)
    Seat Material Replaceable Soft Seat – EPDM / Buna-N / Viton / PTFE (Specify)
    Nominal Size 2″ – 24″ (DN50 – DN600)
    Pressure Rating Class 125 / Class 150 / PN10 / PN16
    Design Standard API 609 / MSS SP-67 / ISO 5752
    Face-to-Face API 609 Short Pattern / ISO 5752 Series 20
    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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