IMUSA Pressure Cooker Parts for 4QT and 7.5QT Pressure cookers are now available through

The kit includes a 4.4Qt or 7.5QT Rubber Gasket, a Pressure Control Valve and a Pressure Regulator.

Reference: 4.4QT has a diameter of 9 inches and 7.5QT has a diameter of 10.5 inches.

Click here  for the IMUSA Pressure cooker product manual imusa-pressure-cooker-parts