... non-rising-stem gate valves are available in temperature classes L, P, R, S, T, and U specified in API ... design.Rising stem slab gate valves are available in temperature classes L, P, R, S, T, and U specified in API ... 6A, or high temperature the 350°F or 650°Fon ... 2000psi~15000psiNominal size: 1-13/16″-4-1/16″ Working temperature: P UPR: 1-2PSL: 1-3MC: AA-FFOP: 107 ...