Floating Ball DBB Valves

Alco floating pattern valves are designed for downstream use and feature two ball rings, which hold the ball in place under varying levels of pressure.

1 Piece design Flange x Screw

dbb-v-series-flange-x-screw-1-piece.jpg

V Series

Flange x Screw

Single flanged DBB valve Ball/Needle/Ball configuration

1 Piece design

BQ Series

Flange x Screw

Single flanged DB valve

Ball/Ball configuration

(no bleed valve)

1 Piece design

OB Series

Flange x Screw

Single flanged DBB valve
Ball/Bolted Needle/Ball configuration

1 Piece design

dbb-de-series-flange-x-screw-1-piece.jpg

DE Series

Flange x Screw

DBB valve Ball/Needle/Ball with Integral studding for lines with installation difficulties.

1 Piece design

Y Series

Flange x Screw

Single flanged DBB valve, Ball/Ball/Ball configuration
 

1 Piece design

1 Piece design Flange x Flange

dbb-v-series-flange-x-flange-1-piece.jpg

V Series

Flange x Flange

Double flanged DBB valve Ball/Needle/Ball configuration

1 Piece design

BQ Series

Flange x Flange

Double flanged DB valve

Ball/Ball configuration

(no bleed valve)

1 Piece design

Y Series

Flange x Flange

Double flanged DBB valve
Ball/Ball/Ball configuration

1 Piece design

3 Piece design Flange x Screw

dbb-v-series-flange-x-screw-3-piece.jpg

V Series

Flange x Screw

Single flanged DBB valve Ball/Needle/Ball configuration

3 Piece design

OB Series

Flange x Screw

Single flanged DBB valve

Ball/Bolted Needle/Ball

configuration

3 Piece design

Y Series

Flange x Screw

Single flanged DBB valve
Ball/Ball/Ball configuration

3 Piece design

3 Piece design Flange x Flange

dbb-v-series-flange-x-flange-3-piece.jpg

V Series

Flange x Flange

Double flanged DBB valve Ball/Needle/Ball configuration

3 Piece design

OB Series

Flange x Flange

Double flanged DBB valve

Ball/Bolted Needle/Ball

configuration

3 Piece design

Y Series

Flange x Flange

Double flanged DBB valve
Ball/Ball/Ball configuration

3 Piece design

Compact DBB valve

ASME 16.10 face to face dimension

dbb-tb-twin-blok-ii-type.jpg

TB Twinblok II

Flange x Flange

Double flanged DBB valve Ball/Needle/Ball configuration

ASME B16.10 face to face dimension

2 Piece design