Model GW-S - SSP, SSU, CUP, WUP, HSW, WHEC - Automatic Sprinkler, Heat & Electrically Actuated
From Sprinkler Heads
The GW-S sprinkler series offers high quality, European manufactured, modern compact design, that meet the rigid test requirements set out by the world leading approval authorities. The unique GW PTFE / double groove seal in combination with high end heat responsive frangible glass bulbs guarantee durable operation and reliable performance. The heat & electrically operated sprinkler is fitted with an electrically operated Metron Actuator that enables instant and remote actuation of the sprinkler – typically in combination with a detection system and/or a manually operated switch box.
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Applications
GW-S heat & electrically actuated sprinklers are used in fixed fire protection systems. Care must be exercised that RTI, orifice size, temperature rating, deflector style and sprinkler type is in accordance with the latest published sprinkler installation standards i.e. EN12845, CEA4001 or NFPA13.
The GW-S heat & electrically actuated sprinklers are ideal for applications where instant and fully controllable actuation of single or multiple heads is called for – e.g. applications involving protection of explosive components/environments.
Operation (Metron Actuator)
The Metron Actuator is a highly reliable, compact single shot device which can push with a power to weight ratio in excess of 10,000:1. It operates within milliseconds of receiving the appropriate electrical impulse, a rate which is almost impossible to achieve with a mechanical source of energy. The short reaction times and high power to weight ratios are achieved by sophisticated pyrotechnique. Within the metal body of each device, rapid expansion of hot combustion products generates very high pressures which are used to do mechanical work, in this case to drive a piston forward to shatter the sprinkler glass bulb.
Its ability to rapidly convert small electric signals into high mechanical work output, its compact size, high reliability and good environmental resistance makes the Metron Actuator ideal for automatic or remote controlled fire protection applications.
Technical Specification
- Nominal Energy (Type 1): 6 millijoules
- Resistance Range (ohms) (1): 0.9-1.6
- Max. No-Fire Current D.C. (2) 30 sec Pulse 0.050 sec. Pulse: 0.15 amp 0.3 amp
- Min. Single Firing Current D.C. (3) 10 ms Pulse: 0.6 amp 0.9 amp
- Recommended Single Firing Current (4): 1.0 amp
- Recommended min. Series Firing Current (5): 3.0 amp
- Max. Monitoring *) Current (continuous): 0.01 amp
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