LIEBHERR INSERZJONI TAL-IFFRANĠAR TAL-VALV TA’ DĦUL TAL-MAGNA

Ikkuntattja dwar il-prodott

L-inserzjoni tal-iffranġar tal-valv ta’ dħul (seat ring) hija ċirku kkwalifikat u mħassar li jinġibed press-fitted fil-kapa taċ-ċilindru, u jipprovdi l-wiċċ tal-siġill konikali ta’ preċiżjoni li kontroh tiegħu jonqos il-valv ta’ dħul. Hija magħmula minn alloġ tar-ram jew tar-ram-berillju, materjal li joffri resistenza eċċellenti għal-konsumazzjonj kontra l-wiċċ tal-valv u resistenza adegwata għal-korrużjoni fil-kamra tal-kombustjoni.

Id-difetti komuni jinkludu ċ-ċirkondanza tal-iffranġar (progressive recession mill-ippressjar termiku ripetut), l-erożjoni tal-wiċċ (mill-asidu sulfuriku mill-gas tar-rċirkolazzjoni), u l-fissuri katastrofali. Il-manutenzjoni ħaġra tipprevieni averjiet tas-serv u tnaqqas il-kosti tat-tħassir tal-magna.

L-installazzjoni teħtieġ differenziyal termiku accurate u recut tal-ġeometrija tal-iffranġar wara l-pressjar. Il-partijiet ġenwini Liebherr għandhom toleanza preċiza u materjal ottimizzat għall-operazzjoni affidabbli fl-magna diesal ta’ Liebherr.

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• R944 BHDSL-1075
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• R944 BVHHD-732
• R944 EW-653
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• R944 HDS-650
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• R944B HDS-650
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