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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 2024.08.06SEALING PERFORMANCE OF BALL VALVEThe most important seat sealing ring material of ball valve is polytetrafluoroethylene (PTFE), which is inert to almost all chemicals, and has the comprehensive characteristics of small friction coefficient, stable performance, not easy aging, wide t
Created on 2024.08.05HOW DOES GATE VALVE WORKS?The gate has two sealing faces, and the two sealing faces of the most commonly used wedge gate valve form a wedge, and the wedge angle varies depending on the valve parameters and is typically 5 degrees. The gate plate of the wedge gate valve can be
Created on 2024.08.05