Precision Investment Pump Casting Parts

Precision investment casting is widely recognized for manufacturing high-accuracy pump components that demand tight tolerances and complex geometries. This process is particularly suitable for producing impellers, volutes, and valve bodies used in centrifugal, diaphragm, and gear pumps. Unlike conventional casting methods, investment casting ensures minimal draft angles and good surface finishes, reducing the need for secondary machining.

We specialize in casting pump parts from corrosion-resistant alloys such as stainless steel (304, 316) and duplex steel (2205). These materials are selected based on their performance in specific operating conditions, including high-pressure, abrasive fluids, or extreme temperatures. The investment casting process begins with wax pattern injection, followed by ceramic shell building and precision metal pouring in controlled environments to prevent defects.

These pump castings are extensively used in chemical processing, oilfield services, and power plant applications where reliability and longevity are critical.

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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.