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BQ Series DBB Valve

1 Piece design Flange x Flange

Double block double flanged valve manifold utilising soft seats, for superior, bubble tight sealing capabilities
at both high pressures and temperatures. Incorporated into a single body design with insert sealing to
prevent leakage and flow medium loss.

This valve type offers a Ball, Ball configuration.

Alco BQ-series DBB Valve Flange x Flange

Bore Sizes:


10, 13, 19 & 25mm 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


*Other options can be supplied upon request

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