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1. As the channel within the valve is in streamline form, the flow resistance of the swing check valve is smaller than that of the lifting check valve. It's suitable for low flow and large-caliber applications without frequently change in flow. However, it's not suitable for pulsating flow for sealing performance poorer than that of the lifting check valve.
2. A swing check valve is suitable for various working conditions of pipeline for petroleum, chemical, pharmaceutical, chemical fertilizer and electric power industry.
3. The swing check valve is suitable for the clean medium like water, oil, steam, acid medium, but not suitable for medium with solid particles and great viscosity.