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BQ Series DBB Valve

1 Piece design Flange x Screw

Double block single flanged valve manifold utilising soft seating for superior, bubble tight sealing capabilities
at both extreme pressures and temperatures.


The BQ type valve offers a Ball, Ball configuration. This series offers working pressures of up to ASME class
2500 with a maximum working temperature of 200ºC.

Alco BQ-series DBB Valve Flange x screw.

*Other options can be supplied upon request

Bore Sizes:


10, 13 & 19mm bore

Pressure class:

ASME B16.5 class 150# to 2500#

API 6A 10.000k


- ASTM A182 F316 Stainless Steel

- ASTM A182 F51/55 Duplex &
  Super Duplex

- ASTM B564 UNS N06625
  Inconel 625

- Others


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