■ Description
- Precision safety valve is an essential hydraulic spare part for die casting machines, designed to release excess pressure automatically and protect machine hydraulic systems from overload damage. Made of high‑strength alloy material, it features stable performance, good sealing and long service life, perfectly suitable for various die casting equipment.
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- Automatic overpressure relief to ensure machine safety
- High precision pressure control, zero‑leakage design
- Wear‑resistant, oil‑resistant and corrosion‑resistant
- Easy to install and compatible with most die casting machines
- Stable performance under long‑time heavy‑duty working conditions
■ Key Features

■ About Longhua
Longhua Die Casting Machine was founded in 1950 and has been specializing in the production of die casting machines since 1982. It is a national high-tech enterprise specializing in the design, research and development, manufacturing, and sales of horizontal cold chamber J11 series die casting machines, die casting robots, die casting molds, die casting peripheral equipment, etc. It is a permanent member of the Hong Kong Foundry Association.











































