Soo saaritaankan si dhakhso ah ayaa loo baabi'in doonaa taasoo keenaysa inay lumiyaan walxo, iyo marka alaab ku filan la waayo, shaabadu waxay si dhakhso ah u socon doontaa. Waxaa jira saddex doorasho si looga hortago tan, marka hore ee taas oo ah in la yareeyo nadiifinta si loo yareeyo farqiga extrusion. Tani waa iska cad doorasho qaali ah, sidaas darteed xal ka jaban waa in kor loo qaado durometer ee o-ring ah. Inkasta oo durometer o-ring a sare bixisaa iska caabin extrusion sare, tani inta badan ma aha xal macquul ah ay sabab u tahay helitaanka wax,iyo in xaqiiqda ah in maaddooyinka durometer adag leeyihiin xaddidan hooseeyo-cadaadiska capability. The ugu dambeeya iyo doorashada ugu fiican waa in lagu daro giraanta gurmad ah. Giraanta kaydku waa giraan adag, walxo adkaysi u leh sida Nitrile-durometer-sare, Viton (FKM), ama PTFE.
Giraanta kaydinta waxaa loogu talagalay inay ku habboonaato inta u dhaxaysa giraanta o-ring iyo farqiga u-baxa oo ka hortagga extrusion-ka o-ring. Iyada oo ku xidhan jihada cadaadiska ee codsiga xidhitaanka, waxaad isticmaali kartaa hal giraan oo kayd ah ama laba faraanti oo kayd ah. Haddii aanad hubin, had iyo jeer way fiican tahay in la isticmaalo laba giraan oo gurmad ah halkii o-ring. Macluumaad dheeri ah ama si aad u codsato xigasho ku saabsan siddooyinka kaydka ah, fadlan nala soo xiriir si toos ah u soo gudbi badeecada!waxaan u naqshadeyn karnaa si waafaqsan sawiradaada ama muunadaha asalka ah sidoo kale!