I-valve yokujonga i-swing yerabha
Ivalvu yokujonga i-flap yentsimbi ephosiweyo

Iivalvu zokujonga irabha ezijijekileyo zilula kakhulu kodwa zihlala ixesha elide ukuze zisetyenziswe kwiindlela ezahlukeneyo zokusebenza.
Njengoko ineenxalenye ezintathu eziphambili kuphela: umzimba, iflapper kunye nesigqubuthelo, kukho ukugcinwa okuncinci. Nangona kunjalo, iflapper inokutshintshwa kwimizuzu embalwa. Isihlalo somzimba wevalvu sikwi-engile ye-45 degrees ukuya embindini wepayipi, okuvumela ukufakwa kokuhamba okuthe tye okanye okuthe nkqo. Xa iflapper ivuliwe ngokupheleleyo, kukho indlela yokuhamba ethe tye engaphazanyiswa, ngoko ke yonke into yangaphandle ikhukuliswa yi-flowing medium. Oku kuphelisa ukuvaleka. Ngenxa yale ndlela yokuhamba engaphazanyiswanga, ukuhla koxinzelelo kuphantsi kakhulu ngokuhlolwa kwerabha yeflapper kuneevalvu zokujonga iswing eziqhelekileyo.
Ngokwesiqhelo iivalvu ze-rubber flapper swingcheck zenziwe ngentsimbi ethambileyo. I-flapper yiBuna-N kodwa inokunyanzeliswa okubunjwe ngeerabha ezahlukeneyo zokwenziwa.
I-PN eyi-1.2″-12″: ANSI125/150.
Ngokwesiqhelo iivalvu ze-rubber flapper swingcheck zenziwe ngentsimbi ethambileyo. I-flapper yiBuna-N kodwa inokunyanzeliswa okubunjwe ngeerabha ezahlukeneyo zokwenziwa.
I-PN eyi-1.2″-12″: ANSI125/150.
2. Igesi yamanzi ephakathi njl.
3.Uthotho lweCSC Model 100.
Iimpawu:
- uhlobo lokujika, ibhonethi enebholti
- Izinto zeSandard ziyafumaneka apha:
- Umzimba/Ibhonethi: Isinyithi seCast kunye neDuctile Iron
- Idiski: Intsimbi yentsimbi okanye intsimbi ye-ductile
- Isihlalo: I-Brss
- Ivili lesandla: Intsimbi yentsimbi okanye intsimbi yentsimbi ephosiweyo
- Ubungakanani bufumaneka ukusuka kwi-intshi ezi-2 ukuya kwi-intshi ezili-12
- Uvavanyo loxinzelelo kwi-ANSI 125 kunye ne-ANSI 150
- Umsebenzi: ngesandla
- Idatha yobuchwephesha:
-
Uyilo kunye nokuveliswa: ANSI B16.10, MSS SP-71
Ubukhulu bobuso ngobuso: ANSI B16.10, MSS SP-71
Ubukhulu obujikelezileyo: ANSI B16.1/16.5
Hlola kwaye uvavanye: ISO 5208/API59











