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GOZ VALVE TECHNICAL RESOURCES
VALVE MATERIAL SPECIFICATION OF BRASS ALLOY
Part name material name trademark Standard number Valve body, bonnet, opening and closing parts Cast tin bronze ZCuSn3Zn1Pb4 GB/T 1176-1987 ZCuSn5Pb5Zn5 ZCuSn10Zn2 Cast silicon brass ZCuSn16Si4 Cast aluminium bronze ZCuA19Mn2、ZCuA19Fe4Si4Zn2 Cast al
Created on 2024.08.06Flange standard size tolerancehe maximum deviation of the flange size of DN≤600mm is shown in Table 1, Table 2 and Table 3. The limit deviation of the size of butt welded flanges, flat welded flanges, socket welded flanges, threaded flanges and loose flanges is shown in Table 1;
Created on 2024.08.06Advantage of ball valve1. The working medium is sealed and reliable on both sides.
2. It has the lowest flow resistance (actually zero).
3. The closing parts can withstand the high pressure difference when closing.
4. The spherical closing part can be automatically posi
Created on 2024.08.05BALL VALVE SEAT INSERT MATERIALS1. Synthetic rubber
The comprehensive properties of synthetic rubber such as oil resistance, temperature resistance and corrosion resistance are better than those of natural rubber. Generally, the use temperature of synthetic rubber is t ≤ 150 °C, na
Created on 2024.08.06