Custom Precision Investment Pipe Casting for Fire Fighting

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Precision Investment Pipe Casting for Fire Fighting

Precision investment pipe castings for firefighting applications are engineered to deliver good leak-proof performance and structural integrity in high-pressure water delivery systems. Utilizing the investment casting process, these pipes feature intricate geometries with tight tolerances, ensuring seamless integration with existing fire protection infrastructure. The use of advanced alloys, such as CF8M or WCB, provides exceptional resistance to thermal stress and chemical corrosion.

The manufacturing process begins with a wax pattern, which is coated with ceramic shells to form a mold. After dewaxing and sintering, molten metal is poured to create a precise replica of the original pattern. Post-casting processes include CNC machining, heat treatment, and non-destructive testing (e.g., UT, PT) to guarantee compliance with ASTM A351 or other relevant specifications. These pipes are widely used in sprinkler systems, hydrant networks, and industrial fire suppression setups, where reliability is non-negotiable.

Zhejiang Lizhi Metal Products Technology Co., Ltd.

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.

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