When selecting gasket sheets for water sealing applications, it’s crucial to consider factors such as the type of water (e.g., potable water, wastewater, industrial water), temperature, pressure, and potential exposure to chemicals. Here are some gasket sheet options commonly used for water sealing applications:

1. EPDM (Ethylene Propylene Diene Monomer) Sheets:

   • EPDM gasket sheets are widely used for water sealing applications due to their excellent resistance to water, weathering, and ozone exposure. EPDM is commonly used in potable water systems, wastewater treatment plants, irrigation systems, and plumbing fixtures. EPDM gaskets offer good sealing performance and durability in various water conditions.

2. Nitrile Rubber (NBR) Sheets:

   • Nitrile rubber gasket sheets, also known as Buna-N or NBR, offer good resistance to water, oils, and fuels, making them suitable for water sealing applications where exposure to hydrocarbons is possible. NBR gaskets are commonly used in water distribution systems, pumps, valves, and hydraulic equipment.

3. Neoprene Sheets:

   • Neoprene gasket sheets offer good resistance to water, weathering, and ozone exposure, as well as moderate resistance to oils and fuels. Neoprene is commonly used in water and wastewater treatment facilities, marine applications, and outdoor equipment where resistance to water and weathering is required.

4. Silicone Sheets:

   • Silicone gasket sheets offer excellent flexibility, temperature resistance, and compatibility with water. Silicone is commonly used in potable water systems, food and beverage processing equipment, and medical devices. Silicone gaskets provide reliable sealing performance and are FDA approved for direct food contact.

5. PTFE (Polytetrafluoroethylene) Sheets:

   • PTFE gasket sheets offer excellent chemical resistance and low permeability to water, making them suitable for water sealing applications where purity and chemical compatibility are essential. PTFE is inert and non-reactive with water, ensuring reliable sealing performance in water treatment systems, pumps, valves, and piping.

6. Non-Asbestos Fiber Sheets:

   • Non-asbestos fiber gasket sheets, particularly those reinforced with aramid fibers or synthetic elastomers, can provide effective water sealing performance. These gasket sheets offer good resistance to water, oils, and chemicals and are commonly used in water distribution systems, pumps, valves, and industrial equipment.

When selecting gasket sheets for water sealing applications, it’s essential to choose materials that comply with regulatory standards for potable water contact and are suitable for the specific water conditions and operating parameters. Additionally, compatibility testing should be conducted to ensure that the selected gasket material is resistant to the intended water composition and exposure.