A Single Union Ball Check Valve is a type of check valve that combines a ball check mechanism with a single union connection (instead of the dual unions found in a True Union design). Here’s what makes it unique:
The function as same as true union ball check valve that is allow fluid flow in one direction while preventing backflow.
But its more Cost-Effective than true uion ball valve, customers can choose the type of check valve according to their needs.
| Comparison to True Union Ball Check Valve | ||
| Feature | Single Union Ball Check Valve | True Union Ball Check Valve |
| Unions | One union, one fixed connection | Two unions (both ends detachable) |
| Maintenance | Easier than fixed valves but not fully removable | Fully removable without pipe cutting |
| Cost | Lower | Higher |
| Installation Flexibility | Moderate | High |
Technical Parameter
Size: 1/2" (DN15)~4" (DN100)
Socket: DIN/ANSI/JIS/CNS
Thread: PT/NPT/BSPT
Pressure Rating: 1/2" (DN15)-2" (DN50) PN16 2-1/2"(DN65)-4" (DN100) PN10
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