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74 Degree Fusible Alloy DN20 K202 ESFR Fire Sprinkler Head Price
K202 ESFR fusible alloy sprinklers are sprinklers that use fusible alloys as temperature-sensing components. They are widely used in hotels, commercial buildings, restaurants, warehouses, underground garages, clothing factories, etc. Light and medium hazard levels, and can also be used for protection Places with severe hazard levels. Especially suitable for low temperature environment and places where sprinkler heads are not allowed to explode.
Features
1) Assembled by copper alloy frame, fusible alloy components, supporting components, seals, nozzle holders, screws and splash plates.
2) Fusible alloy has stable performance, accurate action temperature and fast response speed.
3) It can be used in low temperature protection places where conventional glass bulb sprinklers cannot be adapted, such as cold storage, underground garages, etc.
4) It can be used in places where sprinklers are not allowed to explode.
Technical performance
1) Model specifications: ESFR202
2) Installation form: pendent / upright
3) Nominal diameter: φ20mm, connecting thread: R3/4″
4) Rated working pressure: 1.2MPa, factory test pressure: 3.0MPa
5) Flow characteristic coefficient: K=202
