Valve Body Casting
The material is controlled according to NASI standards (ASTM A182/A479 etc), and the tempering process enhances steel stability, making the valve unbreakable (+30% stress resistance).
Casting
Heat Treatment
Annealing
Quenching
High-temperature tempering
Water Cooling
Air Cooling
Trimming & Polishing
Cutting the pouring cap mouth
Polishing & sandblasting
Acid Pickling
Valve Machining
JRVAL redesigned the fit of the body - disc- stem of valves. Through 18 CFD simulations, it is proved that the leakage is 0ppm under the bidirectional pressure of ±250bar.
Valve Body Deformation Adjustment
Processing Standards Confirmation
Process Quality Inspection
Precision-Built Durability
Tight tolerances ensure seamless component alignment, minimizing wear and maximizing cycle life. Discover how in our [Butterfly Valve Tolerance Table] below.
Valve Assembly
JRVAL employs premium components with rigorous quality control, verified by ISO 9001. Outstanding performance and service life are guaranteed by rigorous inspection at every stage.
Materials Parts Inspection
BOM Material Requisition
Epoxy Resin Coating
Pressure Testing
Packing with Non-Log Wooden Case
From Arctic chill of -50°C to desert heat of 160°C, from vacuum of 0.1bar to ultra-high pressure of 250bar,and to corrosive acid of ph=0.5, our valves redefine reliability. They are manufactured with a scientific material mix and precision engineering to provide unmatched performance even in harsh environments.
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Contact
Address: DaZhan Industrial Park, Xiaozhan Town, Jinnan District, Tianjin, China
Copyright @ 2025. Tianjin Jiangrui Steel Casting Co., Ltd.
Technical Support: Magic Lamp - Website
