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.

Wafer Butterfly Valve

Discover the superior quality of the wafer butterfly valve offered by ASTECH VALVE CO., LTD., a leading manufacturer in the butterfly valve industry. Our wafer butterfly valve is designed to meet various industry standards, including DIN2501, BS10-D, BS4504, ANSI B16.1, B16.42, and JIS B2239, ensuring reliability and durability in demanding applications. Crafted for exceptional performance, our valves undergo rigorous testing in accordance with API598 standards. The face-to-face dimensions comply with DIN3202-K1, EN558-1 20 SERIES, and BS5155, making them a versatile choice for various installations. As prominent butterfly valve manufacturers, we prioritize innovation and quality. Our centerline butterfly valve design ensures optimal flow control and minimal pressure drop. Choose ASTECH VALVE CO., LTD. for reliable and efficient solutions that stand the test of time. Experience unmatched performance with our wafer butterfly valve today!
Categories > Butterfly Valve > Centerline Wafer Type Butterfly Valve > Centerline Butterfly Valve
Centerline Butterfly Valve

Water Type

Centerline Butterfly Valve

We provide Butterfly valve, Flange Type Valve and Manual Valve with high quality and competitive 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. 19 18 18 18 3.2 7.5
    50 2" 43.0 161 80 32 120 120.7 125 125 52.9 19 18 18 18 3.4 7.7
    65 2-1/2" 46.0 175 89 32 140 139.7 145 145 64.5 19 18 18 18 4.1 8.4
    80 3" 46.0 181 95 32 150 152.4 160 160 78.8 19 18 18 18 4.5 8.8
    100 4" 52.1 200 114 32 175 190.5 180 180 104.0 19 18 18 18 5.8 10.1
    125 5" 56.0 213 127 32 210 215.9 210 210 123.3 23 21 18 18 7.9 12.2
    150 6" 56.0 226 139 32 240 241.3 240 240 155.6 23 21 22 22 8.7 13.0
    200 8" 60.6 260 175 45 290 298.5 295 295 202.5 23 21 22 22 15.2 25.5
    250 10" 65.6 292 203 45 355 362.0 350 350 250.5 25 24 22 26 21.9 31.5
    300 12" 76.9 337 242 45 400 431.8 400 410 301.6 25 24 22 26 35.2 46.9
    350 14" 76.5 368 267 45 445 476.3 460 470 333.3 25 28 22 26 - 55.7
    400 16" 86.5 400 309 51 510 540.0 515 525 389.6 27 28 26 30 - 93.0
    450 18" 105.6 422 328 51 565 577.9 565 585 440.5 27 32 26 30 - 113.3
    500 20" 131.8 480 361 64 620 635.0 620 650 491.6 27 32 26 33 - 176.0

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    Welcome to ASTECH VALVE CO., LTD., your trusted partner in innovative valve solutions. Our wafer butterfly valve is engineered for maximum efficiency and reliability, making it an ideal choice for diverse industrial applications. As a one of the leading butterfly valve manufacturers, we adhere to stringent quality standards, ensuring that our products meet the highest performance benchmarks. Our wafer butterfly valve comply with various flange standards, including DIN2501, BS10-D, BS4504, ANSI B16.1, B16.42, and JIS B2239. Each valve undergoes thorough testing in accordance with API598 to ensure uncompromising quality and safety. With precise face-to-face dimensions that meet DIN3202-K1, EN558-1 20 SERIES, and BS5155, our valves provide a perfect fit for seamless installation. Explore our centerline butterfly valve options and elevate your operational efficiency. Trust ASTECH VALVE CO., LTD. for durable and high-performance butterfly valves tailored to your needs!