The core of using pneumatic diaphragm pumps in winter is to prevent freezing, condensation, and leakage, in order to avoid component damage or operational failures caused by low temperatures.

Core precautions

Medium antifreeze treatment: When transporting easily solidified media, it is necessary to heat or add antifreeze in advance. After stopping the machine, the medium in the pump body and pipeline should be drained to prevent freezing and cracking.

Dehydration and drying of air source: In winter, the moisture content of the air source is high, so it is necessary to strengthen the drainage of the air filter and regularly check the effectiveness of the dryer to avoid water freezing and blocking the air path or damaging pneumatic components.

Component protection and inspection: Select low-temperature compatible seals and lubricating oil to avoid rubber parts from cracking; Before starting up, check whether the pump body and pipelines are frozen, and manually turn the wheel to confirm that there is no jamming before starting.

Operation and shutdown specifications: When starting, preheat with a low-pressure gas source and gradually increase the pressure to the working pressure; Long term shutdown requires disassembly and emptying, and key components should be well insulated and protected.

Special scenario supplement

When used outdoors, wrap the pump body and pipeline with insulation layer to avoid direct exposure to severe cold environment.

If icing occurs, do not use open flames for direct baking. Use warm water to slowly thaw to prevent component deformation.