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Check Valves

58-00 Air Relief Valves

1447
Product Specific tions

Features:
• 3A Standards 58-00 with Elbow Extension, Check Valves • The valve ball is constructed of FDA, 3A approved
and Vacuum Breakers polypropylene.
• no special tools required • PTFE valve ball is available
• ball and gaskets are replaceable • other gasket materials available
• The valve seals for both pressure and vacuum. • maximum operating temperature: 212°F
• All product contact surfaces have a radius of ¼" or better. • maximum PSI: 145

304 Stainless Steel
Description A B C D E F G H J
Part Number
1½" air relief valve 1.98 1.40 1.50 --- 2.40 --- --- --- 1/8" BARV-G150
with tapped blind end NPT
2" air relief valve with 2.51 1.40 1.50 --- 2.40 --- --- --- 1/8" BARV-G200
tapped blind end NPT
1½" air relief valve 1.98 1.40 --- 1.50 --- 0.37 4.50 1.10 --- BARVE-G150
with 180° elbow
2" air relief valve with 2.51 1.40 --- 1.50 --- 0.37 4.50 1.10 --- BARVE-G200
180° elbow

All dimensions are in inches unless otherwise noted. Engineering dimensions are available upon request.
Specifcations are subject to change without notice.

Working Principle Applications
The Dixon Sanitary air relief valve allows air to be removed 1. Bleeding of a line where an air pocket has formed. This
from a line or container without the liquid fowing out. Its application calls for installation at the top of the line.
design does not allow air to enter the line or container, even 2. Bleeding of a tube on the suction side of a pump. The
if subjected to a negative pressure. It is a double-seated suction side is bled automatically, before the pump starts,
X valve with a freely moving polypropylene ball. The ball, which establishing a vacuum. Binding of air to liquid will be
prevented, and so will subsequent cavitation. In this
is lighter than water, closes against the upper or lower seat,
depending on the pressure conditions. application the valve is mounted in front of the pump, on
the top of the inlet tube.

258 800.789.1718 Dixon Sanitary 2014