The VB21 is designed to admit air to condensing vapor(steam) or liquid systems where vacuum formation may inhibit system drainage or operation.
Spirax Sarco Vacuum Breaker, 1/2 x 1/8 in Nominal, NPT, 304 psig, 752 deg F, Stainless Steel Body, 1-1/2 in L x 2 in H
Body Material
Stainless Steel
Dimensions
1-1/2 in L x 2 in H
End Style
NPT
Nominal Size
1/2 x 1/8 in
Pressure Rating
304 psig
Series
VB21
Temperature Rating
752 deg F