Spring klep kaamanan tipe bore pinuh (seri W)

A48Y-P₅₄ 3.82V, A48Y-10, A48Y-10, A48Y-P₅₄ 3.82V, A48Y-20, A48Y-P₅₄ 5.29V, A48Y-20, A48Y-P₅₄5.29V, A48Y-20, A48Y-P₅₄ 10V, A48Y-20, A48Y-P₅₄ 10V

A48Y-C tipe hawa lumaku kirang ti 425ºC; tipe A48Y-V cocog pikeun alat pelindung tekanan ngaleuwihan; suhu gawé maranéhanana nyaéta 550 ºC atawa kirang. Sapertos boiler anu dianggo dina PowerStation, palatih tekanan, pangurangan tekanan sareng mesin pangurangan suhu.