This QA1 valve disc kit includes eight replacement discs, 10 mm inner diameter x 23 mm outer diameter, and about 0.300 mm (roughly 0.012 in) thickness. Sold as a service pack for valve maintenance and rebuilds, these discs provide the specified sizing needed for accurate valve reassembly, supported by QA1’s parts availability and technical assistance for service tasks.
QA1 Valve Disc Kit - .900in OD x .012in Thick - 8 Pack