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วาล์วผีเสื้อ

  • Loose Liner Wafer-Type Butterfly Valve c/w Lever
    Loose Liner Wafer-Type Butterfly Valve c/w Lever
    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)
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  • Monoflange Wafer Type Butterfly Valves
    Monoflange Wafer Type Butterfly Valves
    Valve Type Monoflange Type Wafer Butterfly Valve
    Valve Model D371X (Monoflange Type)
    Nominal Diameter (DN) DN50 ~ DN600 (or as required)
    Nominal Pressure (PN) PN10 / PN16 / PN25 (optional)
    Connection Type Monoflange Wafer Type
    Operation Type Worm Gear Operation
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  • 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
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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
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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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  • Burried Coal Tar Coated U section High Performance Butterfly Valve 60″
    Burried Coal Tar Coated U section High Performance Butterfly Valve 60″
    Valve Type Double Eccentric Butterfly Valve (High Performance)
    Application Buried Service / Underground Installation
    Size 60 inches (DN 1500)
    Pressure Rating Class 150LB (200psi)
    Connection Type Flanged Ends (ASME B16.47 Series A or B as required)
    Operation Electric Actuator with Extended Stem for buried service
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  • BS5155 Rubber Seated Double Offset Butterfly Valve
    BS5155 Rubber Seated Double Offset Butterfly Valve
    Valve Type Double Eccentric (Double Offset) Butterfly Valve
    Design Standard API 609 / BS5155 / ASME B16.34 / EN 593 / GB/T 12238
    Face-to-Face API 609 / ASME B16.10 / EN 558 Series 13/14/16 / BS5155
    Flange Drilling ASME B16.5 / ASME B16.47 / EN 1092-2 / GB/T 9115
    Inspection & Test API 598 / ISO 5208 / EN 12266-1
    Pressure Rating Class 150 / 300 / PN6 / PN10 / PN16 / PN25
    Size Range 2″ – 48″ (DN50 – DN1200)
    Temperature Range -29°C to +200°C (Depending on seat material)
    End Connection Wafer Type / Lug Type / Flanged Type
    Operation Lever / Gearbox / Pneumatic Actuator / Electric Actuator
    Mounting Flange ISO 5211 (For direct actuator mounting)
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  • 6″-600LB High Temp. Triple Offset Butterfly Valve
    6″-600LB High Temp. Triple Offset Butterfly Valve
    Valve Type Triple Offset Hard-Seated Butterfly Valve (with Cooling Fins)
    Nominal Diameter (DN) DN50 ~ DN1200
    Nominal Pressure (PN) PN10 ~ PN100 (or Class 150 ~ 600)
    Applicable Medium Steam, High-temperature oil, High-temperature flue gas, Thermal fluid, etc.
    Applicable Temperature With cooling fins: Up to 650°C
    Connection Type Wafer type / Flanged / Butt-welded
    Operation Type Handwheel with gearbox / Pneumatic / Electric / Electro-hydraulic
    Function Mode On-Off / Control
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  • B148 C95800 Aluminum Bronze Lugged 6″ Butterfly Valve 150LB
    B148 C95800 Aluminum Bronze Lugged 6″ Butterfly Valve 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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  • 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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  • CPVC Wafer & Lug Butterfly Valve
    วาล์วผีเสื้อเวเฟอร์และหูจับ CPVC
    ขนาด: 4” & 6” (DN100 & DN150)
    ระดับแรงดัน: 150LB (PN16)
    วัสดุหลัก:
    ตัวถังและดิสก์: CPVC (ทนทานต่อการกัดกร่อน ดีไซน์น้ำหนักเบา)
    ก้าน: สแตนเลส 304 (ความแข็งแรงสูง ทนทานต่อการกัดกร่อนได้ดีเยี่ยม)
    ที่นั่ง: EPDM (การปิดผนึกที่เหนือกว่า ทนต่อสารเคมี)
    ตัวดำเนินการ: คันโยก (การทำงานด้วยมือที่รวดเร็วและง่ายดาย)
    ประเภทการเชื่อมต่อ:
    ประเภทเวเฟอร์ – การออกแบบกะทัดรัดสำหรับการติดตั้งหน้าแปลนมาตรฐาน
    ประเภทสลัก – สามารถถอดออกด้านเดียวได้เพื่อการบำรุงรักษาที่ง่ายดาย
    โมโนแฟลนจ์ – ความยืดหยุ่นในการปรับให้เข้ากับมาตรฐานหน้าแปลนต่างๆ
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  • Loose-Liner Butterfly Valve
    วาล์วผีเสื้อแบบหลวม
    ขนาด: 8″~14″
    คะแนน: 200WOG
    ตัวถัง: เหล็กเหนียว ASTM A536
    แผ่น: เหล็กเหนียว ASTM A536
    STEM: SS416 ไม่มีหมุด
    เบาะนั่ง : NBR
    การทำงาน: ชุดเกียร์
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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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