... -rising-stem gate valves are available in temperature classes L, P, R, S, T, and U specified in API 6A. Gate valves to be ... stem slab gate valves are available in temperature classes L, P, R, S, T, and U specified in API 6A, or high temperature the ... valves also can be supplied as API 6A. Gate valves manufactured by our company are available in 2000psi, 3000psi, 5000psi, 10000psi and 15000psi ...