Sababo la xiriira doorashada alaabta lagu xirayo waa EPDM ama NBR. Albaabka albaabka jilicsan ee jilicsan waxaa lagu dabaqi karaa heerkulka ugu sarreeya 80 ° C. Caadi ahaan waxaa loo adeegsadaa dhuumaha lagu daweeyo biyaha ee biyaha iyo biyaha wasakhda ah. Albaabka albaabka jilicsan ayaa lagu heli karaa heerar naqshadeed oo kala duwan, sida Standard British, Standard German, American Standard.Caddaadiska magaca ee valve gate waa PN10, PN16 ama Class150.