Test and drain valves are compact 3-position ball
valves with drain orifice having k-factor 5.6 or 4.2
(optional) and a sight glass. 3-positions consists of
OFF-TEST and DRAIN. Test and drain valves provide
test as well as express drain functions in wet sprinkler
systems. Model HD90 has NPT end connection while
HD91 comes with grooved end connection ends.
HD90 & HD91 come in Brass ASTM B584 material
of construction. These have integral tamper resistant
D 6-2, ROAD NUMBER 34, WAGLE ESTATE, Thane - 400604, Maharashtra, Thane, Maharashtra - 400604, IndiaView Mobile No.