Key Specifications / Parameters Parameter Detail Part Number RGASKETX222 Product Type Full‑capacity gasket set (bonnet gasket, spiral gasket, seat ring gasket, shim) Valve Size Fitment Type E, 6″ nominal (approx NPS 6) Materials / Construction Inconel or similar alloy winding with graphite filler Temperature Range –325 °F (‑198 °C) to +1100 °F (~593 °C) Typical Kit Contents Bonnet gasket, spiral‑wound seat‑ring gasket, shim(s) Application Maintenance/repair of body/bonnet and seat ring joints in heavy‑service valves