'4255 Washers', with a tested in-radius size of 1.0mm. '4255 ‘O’ rings', with a tested in-radius size of 1.31mm were added to the approval in September 2023. Black coloured, injection moulded EPDM washers & ‘O’ rings. Shore hardness of 50. For use with water up to 85°C.
'5594610'. Black coloured, compression moulded EPDM material. Shore hardness 60. Tested in-radius size 1.0mm. For use with water up to 85°C.
'A-KT 90-00'. Black coloured, extruded and rotocured EPDM rubber material. Shore hardness 90. Tested in-radius size 1.0mm. Between April 2023 and October 2024, the material is for use with water up to 23°C. From November 2024, the material is for use with water up to 85°C.
'EPNER-4665'. Black coloured, compression moulded EPDM material. Shore hardness 50. Tested in-radius size 1.0mm. For use with water up to 50°C.
'ROGM 2022 'O' ring'. Black coloured, injection moulded NBR 'O' ring. Shore hardness 70. Tested in-radius size 4.4mm. For use with water up to 23°C.
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