ASTECH VALVE CO., LTD.

AST was established in March 1999, focusing on valve design, manufacturing, and sales. AVC was founded in January 2010 and became part of the parent company, ASTIC. AVC specializes in the design and manufacture of Wafer Type Check Valves and Metal Seat Ball Valves. In June 2011, the company received ISO 9001 certification from Anglo Japanese American Registrars Taiwan Limited, with plans to achieve CE and API certifications in 2013. To meet the demand of the Japanese market, a branch office was established in November 2004, responsible for sales, quality assurance, warehousing, and delivery. The company is committed to stability and professional quality, which guide our strategic direction. We aim to establish independent AST and AVC brands while expanding into the East Asia, Southeast Asia, and Middle East markets. Additionally, we are seeking OEM and ODM partners and planning to enter the European and American markets.

Centerline Butterfly Valve

At ASTECH VALVE CO., LTD., we proudly offer the centerline butterfly valve, designed to provide reliable and efficient flow control in various industrial applications. Our centerline valve meets strict industry standards, including API598 for comprehensive testing, ensuring exceptional performance and durability. This center line butterfly valve is compatible with multiple flange standards, such as DIN2501, BS10-D, BS4504, ANSI B16.1, B16.42, and JIS B2239. Additionally, it adheres to face-to-face dimensions as per DIN3202-K1, EN558-1 20 SERIES, and BS5155, making it versatile for different installations. Choose ASTECH VALVE CO., LTD. for superior valve solutions that enhance system efficiency and reliability. Our commitment to quality ensures that you receive a product that meets your operational needs. Contact us to learn more about our centerline butterfly valve!
Categories > Butterfly Valve > Centerline Lug Type Butterfly Valve > Centerline Butterfly Valve
Centerline Butterfly Valve

Lug Type

Centerline Butterfly Valve

We provide high quality Butterfly valve and Flange Type Valve with reasonable price.


Standards
  • Flange Standard.:DIN2501, BS10-D,BS4504, ANSI B16.1, B16.42, JIS B2239
  • Valve Tested: API598
  • Face to Face: DIN3202-K1, EN558-1 20 SERIES; BS5155
  • MSS SP-67

    Hydraulic Test
    Class Liquid Sgell Test Liquid Sgell Test Air Seat Test
    Mpa Mpa Mpa
    CI - 125LB 1.5 1.1 0.6
    DI - 150LB 1.5 1.1 0.6
    CI/DI - 10K 1.5 1.1 0.6
    CI/DI - PN10/16 1.5 1.1 0.6
    • Parts and Material List :

    No Parts Name Material
    1 Body C.I. / D.I. / C.S. / S.S.
    2 Disc A536 60-40-18 / CF8 / CF8M / Br / AI-Br
    3 Seat NBR / EPDM / VITON / PTFE
    4 Stem SS410 / SS304 / SS216
    5 Pin SS304 / SS316
    6 Bushing PTFE / Bronze
    7 O-Ring NBR / EPDM / VITON
    8 Key Carbon Steel / SUS304 / SUS316
    Note: C.I.:Cast Iron; D.I.:Ductile Iron;
    C.S.:Carbon Steel; S.S.:Stainless Steel

    :

    DN NPS C A B L ∮D1 ∮D 4- ∮d1 Weight (kg)
    10K 150LB PN10 PN16 10K 150LB PN10 PN16 10K 150LB PN10 PN16 Lever Gear
    40 1-1/2" 33.0 132 75 32 105 98.6 110 110 430. 4-M16 4-1/2" 4-M16 4-M16 4.4 8.7
    50 2" 43.0 161 80 32 120 120.7 125 125 52.9 4-M16 4-5/8" 4-M16 4-M16 4.7 9.0
    65 2-1/2" 46.0 175 89 32 140 139.7 145 145 64.5 4-M16 4-5/8" 4-M16 4-M16 5.1 9.4
    80 3" 46.0 181 95 32 150 152.4 160 160 78.8 8-M16 4-5/8" 8-M16 8-M16 5.6 9.9
    100 4" 52.1 200 114 32 175 190.5 180 180 104.0 8-M16 5-5/8" 8-M16 8-M16 9.9 14.2
    125 5" 56.0 213 127 32 210 215.9 210 210 123.3 8-M16 8-3/4" 8-M16 8-M16 11.8 16.1
    150 6" 56.0 226 139 32 240 241.3 240 240 155.6 8-M16 8-3/4" 8-M20 8-M20 15.1 19.4
    200 8" 60.6 260 175 45 290 298.5 295 295 202.5 12-M20 8-3/4" 8-M20 12-M20 20.2 30.5
    250 10" 65.6 292 203 45 355 362.0 350 350 250.5 12-M20 12-7/8" 12-M20 12-M24 29.5 39.1
    300 12" 76.9 337 242 45 400 431.8 400 410 301.6 16-M22 12-7/8" 12-M20 12-M24 42.7 54.4
    350 14" 76.5 368 267 45 445 476.3 460 470 333.3 16-M22 12-1" 16-M20 16-M24 - 70.4
    400 16" 86.5 400 309 51 510 540.0 515 525 389.6 16-M22 16-1" 16-M24 16-M27 - 128.0
    450 18" 105.6 422 328 51 565 577.9 565 585 440.5 20-M24 16-1-1/8" 20-M24 20-M27 - 156.3
    500 20" 131.8 480 361 64 620 635.0 620 650 491.6 20-M24 20-1-1/8" 20-M24 20-M30 - 250.0

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    ASTECH VALVE CO., LTD. is proud to offer the highly efficient centerline butterfly valve. Designed for versatility and reliability, our centerline valve meets stringent standards, making it ideal for a wide range of industrial applications. Each valve is tested in accordance with API598, ensuring top-notch quality and performance. The center line butterfly valve is compatible with multiple flange standards, including DIN2501, BS10-D, BS4504, ANSI B16.1, B16.42, and JIS B2239. Its face-to-face dimensions adhere to DIN3202-K1 and EN558-1 20 SERIES, as well as BS5155, allowing for easy integration into various systems. By choosing ASTECH VALVE CO., LTD., you are investing in a reliable valve solution that enhances operational efficiency. Contact us today to learn more about our centerline butterfly valve and how they can meet your specific needs!