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.

Flange Type Butterfly Valve

ASTECH VALVE CO., LTD. proudly presents our flange type butterfly valve, engineered for superior performance in various industrial settings. These flange valves are designed to meet critical industry standards, including DIN2501, BS10-D, BS4504, ANSI B16.1, B16.42, and JIS B2239, ensuring seamless integration into your existing piping systems. Our Butterfly butterfly flange valve undergo rigorous testing in accordance with API598 standards, confirming their reliability and leak-tight performance. The design adheres to Face to Face dimensions specified in DIN3202-K1, EN558-1 20 SERIES, and BS5155, which simplifies installation while maximizing operational efficiency. Ideal for applications such as water treatment, chemical processing, and power generation, our flange type butterfly valves are built for durability and excellent flow control. With a focus on quality and customer satisfaction, ASTECH VALVE CO., LTD. is dedicated to providing innovative valve solutions that meet your specific needs. Trust ASTECH VALVE CO., LTD. for your flange type butterfly valves requirements and enjoy enhanced performance and longevity. Contact us today to discover more about our offerings and how we can assist your projects effectively!
Categories > Butterfly Valve > Centerline Flange Type Butterfly Valve > Centerline Butterfly Valve
Centerline Butterfly Valve

Flange Type

Centerline Butterfly Valve

We provide T Inverted Pressure Balance Valve, Manual Valve, Electric Valve, Pneumatic Valve, Butterfly Valve, Cenerline Valve, and Flange Type 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 Seat NBR / EPDM / VITON / PTFE
    3 Stem SS410 / SS304 / SS216
    4 Disc A536 60-40-18 / CF8 / CF8M / Br / AI-Br
    5 Pin SS304 / SS316
    6 O-Ring NBR / EPDM / VITON
    7 Key Carbon Steel / SUS304 / SUS316
    8 O-Ring NBR / EPDM / VITON
    9 Bearing Carbon Steel / SUS304 / SUS316
    10 End Cover C.I. / D.I. / C.S. / S.S.
    Note: C.I.:Cast Iron; D.I.:Ductile Iron; C.S.:Carbon Steel; S.S.:Stainless Steel

    :

    DN NPS C A B L ∮D1 ∮D2 ∮D N - ∮D Weight (kg)
    10K 150LB PN10 PN16 10K 150LB PN10 PN16 10K 150LB PN10 PN16 SF DF
    550 22" 1522 537 369 66 745 - - - 680 - - - 543 20-33 - - - 175 -
    600 24" 152 562 393 66 795 813 780 840 730 749.3 725 770 572 24-33 20-30 20-30 20-36 188 -
    650 26" 165 591 406 66 845 870 - - 780 806.5 - - 626 24-33 24-35 - - 271 -
    700 28" 153 624 454 66 905 927 895 910 840 863.6 840 840 676 24-33 28-35 24-36 24-36 284 -
    750 30" 167 660 560 66 970 984 - - 900 914.4 - - 744 24-33 28-35 - - - 370
    800 32" 188 672 525 66 1020 1060 1015 1025 950 977.9 950 950 772 28-33 28-41 24-39 24-39 368 -
    900 36" 203 720 656 118 1120 1168 1115 1115 1050 1085.9 1050 1050 865 28-33 32-41 28-39 28-39 - 591
    1000 40" 216 800 580 141 1235 1289 1230 1230 1160 1200.2 1160 1170 941 28-39 36-41 28-42 28-42 864 -
    1050 42" 251 858 777 150 - 1346 - - - 1257.3 - - 1030 - 36-41 - - - 811
    1200 48" 276 941 864 150 1465 1511 1455 1455 1380 1422.4 1380 1390 1160 32-39 44-41 32-39 32-48 - 980

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    ASTECH VALVE CO., LTD. offers premium flange type butterfly valve designed for a variety of industrial applications. Our flange valves are manufactured to meet high standards, including DIN2501, BS10-D, BS4504, ANSI B16.1, B16.42, and JIS B2239, ensuring compatibility with global piping systems. The Butterfly butterfly flange valve features a robust construction that has been rigorously tested according to API598 standards, guaranteeing exceptional performance and leak tightness. Designed with precise Face to Face dimensions in accordance with DIN3202-K1, EN558-1 20 SERIES, and BS5155, our valves ensure straightforward installation and optimal operational efficiency. These flange type butterfly valves excel in flow control, making them ideal for applications in water treatment, chemical processing, and power generation industries. At ASTECH VALVE CO., LTD., we prioritize quality and reliability, providing solutions that enhance system performance and longevity. When you choose our flange type butterfly valve, you benefit from superior engineering and support tailored to your specific needs. Contact us today to learn more about our products and how ASTECH VALVE CO., LTD. can meet your valve requirements!