In sprinkler systems, these valves are used for the testing systems and drain the unnecessary fluids from the systems.
Advantages: They have sight glasses in their body,single valve is sufficient to drain the line.
For choosing the test and drain valves, users should pay attention to line diameter. Also these valves have to have same diameter with the sprinkler orifice diameter.
Table 8.16.2.4.2. – NFPA13
| Line diameter (in) | Test and drain Valve diameter (in) |
| 2” and under | ¾” and over |
| 2 ½”, 3”, 3 ½” | 1 ¼” and over |
| 4” and over | 2″ |
Connection Type:
Threaded or Grooved
Working Pressure:
300psi
Diameters:
1” – 2”
K Orifice
k: 80, k: 115, k: 160, k: 200, k: 242, k: 320, k: 360
Material Features:
– Body: Brass
– Ball and disc: Chromed
– Gasket: Teflon
Application areas:
These are suitable for the system where has sprinkler systems.
Approvals:
– UL Listed
– ULc Listed
– FM Approved
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