Material: Most drip grommets are made from high-grade, durable, and flexible materials such as EPDM (ethylene propylene diene monomer) rubber, Nitrile rubber, or soft PVC. These materials offer excellent resistance to ozone, weathering, acids, alkalis, salts, and moisture, ensuring a long service life.
Sizes: Common internal diameters for connecting to take-off connectors or smaller tubes are 12mm,16mm,20mm
Working Pressure: The typical nominal working pressure for these grommets is around 4 kg/cm², with a maximum working pressure of about 6 kg/cm².
Design: They feature straight outer walls for easy installation and converging inside walls to ensure a tight, leak-proof seal against the pipe hole surface.
Operating Temperature: A common operating temperature range is between -20°C to 70°C (or up to 80°C/120°C depending on specific rubber grade).