Crafted from 6061-T6 aerospace-grade aluminum alloy, this coupling undergoes precision die-casting and secondary CNC machining, delivering far superior hardness and tensile strength to standard aluminum, ensuring zero deformation or cracking even after long-term use.
Dual anti-corrosion surface treatment: Features electrostatic powder coating + anodized finish, delivering 3x higher salt spray and moisture resistance than traditional painting. It withstands Russia's extreme cold and high-humidity climates, maintaining rust-free performance and a like-new appearance for years.
Symmetrical dual-claw locking structure: Precision-machined to tight tolerances for 99% fit during engagement, paired with an internal rubber seal for high-pressure zero-leak performance. Rated for up to 2.5MPa fire water pressure, it meets all working condition requirements of GOST-standard fire systems.






















