Iivalvu zihlala ziqhagamshelwa kwimibhobho ngeendlela ezahlukeneyo ezinjengeentambo, iiflange, i-welding, i-clamps, kunye ne-ferrules.Ke, ekukhetheni ukusetyenziswa, ungakhetha njani?Ziziphi iindlela zokudibanisa iivalve kunye nemibhobho?1. Uqhagamshelo olunemisonto: Uqhagamshelo olunomsonto yifomu e...
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