Reliable Alarm Check Valve Model E
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The bypass line equipped with the check valve.
Reliable alarm check valve model e. See full size image. 2 with check valve allows surges to pass from the supply to the system side of the alarm. The reliable model e alarm check valve acts as a water flow alarm device in wet pipe sprinkler systems. The design allows for installation under both variable and constant supply pressure conditions.
The closed position is maintained as long as the water pressure in the sprinkler system piping above the alarm valve is greater than or equal to the supply pressure. Variable pressure water supply requires the use of either of two model e 3 variable pressure trim sets and a reliable model e 1 retard chamber. Figure 3 model e3 version groove i groove pos. E alarm check valves with e3 trim.
Reliable model e alarm check valves are installed in either the vertical or horizontal position in the main supply to the wet pipe system. All trim sets are closed drain. E alarm check valves with e3 trim. The reliable model e alarm valve with e2 trim minimizes false alarms under these conditions by two features.
The reliable model e alarm check valve in its closed and open positions is shown in fig 1 and fig. K model e alarm check valve 21 2 3 and 65mm features 1 made expressly for all wet pipe sprinkler systems. Add to submittal 442 pdf aav automatic air vent. The reliable automatic sprinkler co inc bulletin 418 rev k bulletin 418 rev.
Model e alarm 4 6 8 doc. Variable or con stant pressure. E e3 alarm check valves with e3 trim small sizes. The e3 trim is also approved for use in the vertical and hori zontal position with the reliable model e alarm valve which is rated for 175 psi 12 bar applications.
Model e alarm check valve dn100 dn150 dn200 size model e with e2 euro trim. Sign up for our eupdates. See full size image. Reliable streamline drain hose.
Which can cause false alarms. The closed position is maintained as long as the water pressure in the sprinkler system piping above the alarm valve is greater than or equal to the supply pressure. Designation wet alarm valve water supply main drain valve alarm test valve alarm shutoff valve 10 23 17 bafsa b. A model e3 trim set only.
Reliable s alarm valve prevents a false alarm in these circumstances using two features. Sign up for eupdates on our contact us page. E e3 alarm check valves with e3 trim small sizes. Model e3 high pressure alarm valves are shipped with the designated trim set i e.
Cancer and reproductive harm www p65warnings ca gov. When water flows in the sprinkler system due to the operation of one or more automatic fire sprinklers the alarm valve opens allowing.