Haochu Machinery
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Engineered for extreme conditions, these valves use corrosion-resistant LCC alloy steel, offering unmatched strength and durability for oil/gas pipelines. The material composition is strictly controlled to meet ASTM A352 standards.
Complex valve structures are crafted via "composite casting technology", enhancing density and structural integrity to prevent micro-cracks. This proprietary casting technique reduces porosity by 30% compared to conventional methods.
Critical components are precision-machined to tight tolerances (±0.01mm) before rigorous testing. The 5-axis CNC machines ensure perfect geometry for optimal sealing performance.
Each valve undergoes high-pressure testing (exceeding API 598 standards by 20%) using automated test benches. Complete digital records are maintained for every test.
Post-testing, valves receive phosphating, electrophoretic coating, and powder coating (up to 300μm thickness) for maximum corrosion resistance in offshore/sour service environments.
High-pressure, leak-proof LCC alloy steel valves feature traceable quality records and are engineered to meet strict technical specifications.
The material composition of the LCC alloy steel valves is strictly controlled and engineered to meet ASTM A352 standards, providing exceptional strength and corrosion resistance for extreme environments.
Composite casting technology increases the density and structural integrity of complex valve structures. This proprietary technique reduces porosity by 30% compared to traditional methods, effectively preventing micro-cracks.
Critical components are precision-machined using advanced 5-axis CNC machines to achieve tight tolerances of ±0.01mm, ensuring precise geometry and superior sealing performance.
Each valve undergoes rigorous high-pressure testing on automated test benches that exceeds API 598 standards by 20%. Complete digital records are logged and maintained for traceability.
The valves receive multi-layer protection including phosphating, electrophoretic coating, and a heavy powder coating up to 300μm thick, providing maximum resistance in offshore and sour service environments.
Due to the robust combination of LCC alloy steel and composite casting, these valves operate reliably in extreme temperature environments ranging from -46°C up to 425°C.
