Home / Aztec / SINGLE BLOCK AND BLEED VALVE, FLANGE x THREAD (MODEL NO. SBB-FBNT) SINGLE BLOCK AND BLEED VALVE, FLANGE x THREAD (MODEL NO. SBB-FBNT) Category: Aztec Related products DOUBLE BLOCK VALVE, FLANGE X FLANGE (MODEL NO. DB-FBNF) SINGLE BLOCK AND BLEED VALVE, FLANGE X FLANGE (MODEL NO.SBB-FBNF) DOUBLE BLOCK VALVE, FLANGE X THREAD (MODEL NO. DB-FBNT) DOUBLE BLOCK AND BLEED VALVE, FLANGE X THREAD (MODEL NO. DBB-FBNBT)