Description
Test and drain valves are compact 3-position ball valves with drain orifice having K-factor 5.6 and a sight glass. 3-positions consist of OFF, TEST and
DRAIN. Test and drain valves provide test as well as express drain functions in wet sprinkler systems. Model HD01 and HD90 have NPT end connection while HD91 comes with grooved end connection ends. The Test and Drain Valve comes in Brass ASTM B584 material of construction. These have integral tamper resistant sight glass.
PART NAME MATERIAL
BODY BRASS
BALL BRASS (CHROME PLATED)
HANDLE STEEL
SEAT PTFE FOR MODEL HD01
TFM FOR MODELS HD90, HD91
VALVE OPERATION
To Test:
1. Turn valve handle counter-clockwise from OFF
to TEST.
2. After test is completed, Return handle to OFF.
To Drain:
1. Turn valve handle counter-clockwise from
OFF to DRAIN.
2. After test is completed, Return handle to OFF