Recommended packing for commonly used instrument needle valve
2023-07-05 14:27:39
Recommended packing for needle valves of common instruments Plastic packing: U-shaped, V-shaped, L-shaped or O-shaped packing, made of nylon or polytetrafluoroethylene, has good elasticity, corrosion resistance, Mo resistance and low friction coefficient, and is suitable for various materials. Expanded graphite filler (flexible graphite): It is made by adding additives into graphite and pressing
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