· BODY : Cast Steel (API / ANSI Standard, Renewable Seat Threaded, Boss for Drain/Bypass)

· BONNET : Cast Steel (Machined for Yoke Sleeve, Stuffing Box per API)

· WEDGE : Cast Stainless Steel / Alloy Steel (≤10”), Cast Steel (Larger Valves), Ground & Lapped Seat

· SEAT RINGS : Trim Part, Threaded & Notched, Ground & Lapped Sealing Surface

· STEM : Trim Part, T-Head, Cast/Alloy Steel, Trapezoidal ACME Thread (API 600), Ground Backseat

· BONNET BUSHING (Backseat) : Trim Part, Machined & Heat Treated Alloy Steel

· YOKE SLEEVE : Cast Austenitic Ductile Iron (High Wear Resistance, High Melting Point, Ball Thrust Bearing for ≥6” 600lb Class)

· BONNET BOLTING : Alloy Steel (ASTM Standard Studs & Nuts)