Pipeline ancillaries Vacuum breakers
10
VB21 and VB21 Food+
Dimensions/weights (approximate) in mm (inches) and kg (lbs)
B
A
C
Size
A
B (A/F) 36 (1.4)
C
Kv Weight
52 (2)
36 (1.4)
0.33 (0.73)
½"
0.52
Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-P019-05) supplied with the product. Installation note The VB21 vacuum breaker must be installed in a vertical position with the system connection at the bottom. On steam systems, the vacuum breaker should be installed at the highest point in the system where it will not be flooded with condensate.
How to order Example: 1 off Spirax Sarco VB21 vacuum breaker having ½ " screwed BSP connections.
10.12 6
TI-P019-02 CMGT Issue 12
Page 6 of 6
VB14, VB21 and VB21 Food+ Vacuum Breakers
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