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バタフライバルブ

  • Standard U Section Double Flange Butterfly Valve
    標準Uセクションダブルフランジバタフライバルブ
    写真の仕様は以下のとおりです
    サイズ: 30インチ
    RATING: 150LB
    本体: ASTM A216 WCB
    ディスク: ASTM A351 CF8M
    STEM: SS316
    シート：EPDM
    駆動方式：電動アクチュエータ
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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
    WCB用カートリッジ式ゴムシートバタフライバルブ
    写真の仕様は以下のとおりです
    サイズ: 8インチ～14インチ
    評価: 200WOG
    本体: ASTM A216 WCB
    ディスク: ASTM A351 CF8
    ステム: SS416 ピンレス
    シート: NBR
    駆動：ギアユニット
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  • Asme B16.47 B Series Vulcanized Rubber Seated Butterfly Valve
    Asme B16.47 Bシリーズ加硫ゴムシートバタフライバルブ
    サイズ: DN700
    評価: PN6
    本体: ASTM A536 65-45-12
    ディスク: ASTM A351 CF8M
    ステム: SS416 ピンレス
    シート: NBR
    塗装：フッ素カーボン、C5-I
    駆動：ギアユニット
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  • 4
    4インチ 150ポンド トリプルオフセットバタフライバルブ
    サイズ:4インチ
    評価:150LB
    端部: ANSI B16.5に準拠したラグ
    材料:
    ASTM A216 WCB本体
    ASTM A182 F316Lトリム
    オペレータ: アクチュエータ用 ISO5211 取り付けパッド
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  • Standard Double Flange Butterfly Valve
    標準ダブルフランジバタフライバルブ
    写真は以下の仕様を示しています
    サイズ: DN450
    評価: PN16
    本体：ASTM 536 ダクタイル鋳鉄 65-45-12
    ディスク: ASTM A536 ダクタイル鋳鉄 65-45-12+ENP
    ステム: SS416 ピンレス
    シート：EPDM
    駆動：ギアユニット
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  • Thermal Duty / High Temperature Triple Offset Butterfly Valve In Forged Steel
    耐熱性/高温用鍛造鋼製トリプルオフセットバタフライバルブ
    サンプル仕様
    サイズ: 26インチ
    定格: 1500LB
    本体: ASTM A105N
    ディスク: ASTM A182 F316
    延長ヨーク：ASTM A182 F5
    STEM: SS416
    シート: ASTM A182 F316
    SEAL: SS316+GRAPHITE LAMINATED
    駆動：ギアユニット
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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
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  • 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
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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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