Check Valve

Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, and/or inexpensive.

Check Valve

Technical data

Nominal Size
Nominal Size
D
D
B
C
Inches
MM
MM
MM
1"
25.4
75.0
64.0
1½" 
38.1
90.0
77.0
2"
50.8
100.0
91.0
2½"
63.5
110.0
106.0
3"
76.2
135.0
122.0
4"
101.6
150.0
163.0