Flat Gate Valve

A compact, low-resistance gate valve with parallel sealing faces for uniform loading and reliable shutoff. Low operating torque and an unobstructed flow path make it suitable for pipeline isolation in petroleum, chemical, power, metallurgical, water-supply and papermaking services.

Flat Gate Valve

Technical specifications

Nominal Size DN50–DN600
Nominal Pressure PN16 / PN25 / PN40
Service Temperature -29°C to 425°C, depending on material
Body Material WCB / CF8 / CF8M / CF3 / CF3M
Gate Material hardfaced alloy
Sealing-face Material stainless steel / hardfaced alloy
Connection flanged
Stem Configuration outside screw and yoke (OS&Y) / rising stem
Actuation manual
Applicable Media water, steam, oil products and gases
Leakage Class ANSI/FCI Class IV (optional)
Standards GB / API / ANSI / DIN / JIS

Product features

  • Parallel planar seats distribute load uniformly for reliable sealing.
  • Rising-stem design offers low torque and flexible operation.
  • Straight-through flow path minimi

Selection basis

Confirm the medium, design pressure and temperature, line size, connection, materials, operating mode and required standards before final selection.

DQSV SALES

Xi’an Deqiansheng Valve Technology Co., Ltd.

Industrial valve R&D, manufacturing and application selection for chemical processing, metallurgy, mining, energy and environmental projects.

Office addressRoom 60102, 1/F, Unit 6, Building 2, Xiangfuju, Yongfu Road, Weiyang District, Xi’an, Shaanxi, China.
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