Alarm Check Valve Pressure Loss

Close the alarm test valve and verify that water has ceased to flow from the alarm line drain.

Alarm check valve pressure loss. Alarm bell and or the pressure alarm switch electric alarm properly actuate. The sure flow check valve is designed so that it is centralized between the flanges when the stud bolts are in position. D aniel de signs manuf actur es and te sts products to function within specific conditions. Clean the 20 nb 3 4 strainer provided on the sprinkler alarm bell line.

Because these products are sophisticated technical instruments it is. The outside diameter of the body is equal to the bolt circle pcd minus the diameter of one bolt. It is suitable for use in a variety of orientations. G 4000 dry pipe valve friction loss chart.

20 psi 2 floors above valve location. Ciated with pressure variations in public water supplies. J 1 alarm check valve trim and associated equipment. 6 psi total available pressure at the valve.

The av 1 300 alarm check valve trim includes pressure gauges to monitor system pressure conditions a bypass check valve a main drain valve and an alarm test valve. This page intentionally left blank. Inspect the check valve clapper located on. Technical data sheet en it.

Handbook on pressure loss and valve sizing series 500 and 700 control valves. An alarm check valve can be activated or opened in one of two basic ways. Either manually when a person activates a water gong or electronically. 5 psi x 2 10 psi 300 of horiz.

Pressure at the inlet of the valve. Prior to installing the valve thoroughly flush the water supply piping to verify that no foreign matter is present. Once the alarm check valves are activated they will allow water to flow through the system engaging the sprinkler system as and where needed in order to suppress a potential fire. 6 model g 6000 dry valve riser assembly external reset.

Model a 3 a 4 pilot operated pressure regulating valve angle style halar coated brass or ss trim. Wet system valves water motor alarm model av 1 300 alarm check valve 300 psi 20 7 bar 2 1 2 to 8 dn65 to dn200 vertical or horizontal installation model rc 1 retard chamber for variable pressure wet pipe sprinkler systems 300 psi 20 7 bar model wma 1 water motor alarm hydraulically operated mechanical sprinkler alarm. Hunter s method sizing we now need a valve that will flow 50 gpm 24 psig. The bypass check valve reduces the possibility of false alarms by permitting slow as well as.

The model j 1 alarm check valve may be installed in the vertical position with direction of flow up or in the horizontal position with the access cover up. Important safety instructions daniel measure ment and c ontrol inc. Alarm check valve vertical trim model j 1.