Metric kawm o-ring hose fittings yog tsim los ntawm ISO 12151-4 thiab SAE J516 seem 21.It yog Hydraulic Hose fittings nrog ISO 6149 metric kev kawm xaus, ncaj xov O-ring hose fittings.
ISO 12151-4 hom Hose fittings nrog ISO 6149 metric kev kawm xaus raws li nram no:
Qhov ntev ntawm kev tshawb fawb ncaj qha hose fittings (SDS)
Qhov ntev ntawm 90 ° adjustable luj tshib hose fittings (SDE)
ISO 12151-4 qhia txog kev tsim thiab kev ua haujlwm ntawm ISO 6149 metric stud-end hose fittings los ntawm cov steel, rau nominal hose hauv diameters ntawm 6,3 mm mus txog 38 hli inclusive, raws li ISO 4397.
ISO 12151-4 Hose assemblies yuav tsum tau ua raws li cov kev cai tswjfwm uas tau teev rau hauv qhov kev ua kom tsim nyog hose tsis txeej los yog tsis ua hauj lwm thaum kuaj xyuas raws li ISO 6605.
Lub ISO 12151-4 ua haujlwm ntawm lub rooj sibtham hose yuav tsum yog qhov qis ntawm cov kev sib raug zoo rau qhov loj npaum li cas muab rau hauv ISO 6149-2 lossis ISO 6149-3 rau qhov kawg kev twb kev txuas los yog hauv qhov kev qhia tshwj xeeb hose.
Lub siab ua haujlwm ntawm lub qhov dej yuav tsum muaj tseeb los ntawm kev soj ntsuam ua raws li ISO 19879, tab sis tag nrho lub qhov sib dhos sib txuas yuav tsum tau sim raws li ISO 6605. Thaum lub caij kuaj cyclical endurance, hose phom yuav raug rau cov voj voog teev nyob rau hauv lub qhov kev qhia tshwj xeeb hose.
