Vannes Papillons ZWICK
ZWICK,Triple excentration,tri con,tricon,haute performance,tri eccentric,vanne,vanne papillon,très haute performance,zéro fuite,étanchéité classe 6,duplex,superduplex,oxygène,BAM,TALUFT,TOTAL,DBB,double block and bleed,tri check,tricheck,HP,zero leakage,bubble tight,HCB,SSB,TRI-CHECK,TRI-BLOCK,TRI-CON, triblock, tri block