4"-150 Duplex 2507 Flange Ball Valve

The 4"-150 Duplex 2507 Flange Ball Valve is designed for high-performance applications requiring good corrosion resistance and durability. Constructed from Duplex 2507 stainless steel, this valve offers exceptional strength and resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for harsh environments such as offshore, chemical processing, and oil & gas industries. The flanged ends ensure secure and leak-proof connections, complying with ASME/ANSI standards.

This ball valve features a full-bore design for minimal pressure drop and unrestricted flow, suitable for high-pressure systems (150-class rating). The robust construction includes a two-piece or three-piece body for easy maintenance. The valve is compatible with various actuation methods (manual, pneumatic, or electric) for automated control. Its design ensures reliable shut-off, low torque operation, and long service life, even in aggressive media like seawater, acids, or chlorides.

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About Us

Zhejiang Lizhi Metal Products Technology Co., Ltd. was established in 2003 and established a branch in Fujian in 2021: Fujian Zheli Alloy Casting Co., Ltd.

After more than 20 years of hard work, the company has strong technical strength and has established a production, learning and research integration with major domestic universities, forming its own product characteristics and technical advantages. The company mainly produces various precision castings and valve products such as valves, pumps, auto parts, marine parts, hardware and engineering machinery parts. The main materials are: austenitic stainless steel, carbon steel, duplex steel, nickel-based alloy, high silicon alloy, titanium alloy, etc. The annual output of various stainless steel castings is 8,000 tons (production capacity 12,000 tons/year). The company fully implements TUV: ISO9001-2015 and EU CE certification system management, and introduces 6S performance management lean production. The products are mainly sold to the chemical, shipbuilding, automotive, power, pharmaceutical, food and other industries, and the products are exported to Russia, Europe, North America, Japan and South Korea and other countries and regions.