GW - Model B - Multiple Jet Control (MJC) 40MM Double Outlet with 3mm Bulb (LU) Heat & Electrically Activated Threaded Connection
From Multiple Jet Control Valves (MJC)
GW Multiple Jet Controls (MJC’s) are for use in sprinkler or waterspray systems where it is required to operate small groups of open sprinklers or waterspray nozzles simultaneously. Each MJC contains a frangible glass bulb sensitive to heat. The bulb is pre-loaded at the factory to hold a Nickel / Silver plate against a Brass seal which provides a water and air tight seal. The application of heat bursts the bulb releasing the disc and allowing water to flow.
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Technical Specification
- Seal: Nickel Silver
- Weight: 2.55kg
- Body: Gunmetal
- Max. Pipework Velocity: 4.6 metres/second
- Max. Working Pressure: 12.0 Bar
- Max. Test Pressure**: 50% above normal working
- pressure; max 18 bar (normally
- for a limited period of 1 hour)
- Standard temperatures: 57ºC, 68ºC
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