Fusible Link Sprinkler Head Diagram

A fusible link sprinkler head consists of an element composed of two metal parts welded with a heat sensitive alloy holding a pip cap in place.

Fusible link sprinkler head diagram.

1 2 12 7 mm and 3 4 19 3 mm. 01724a available since 1971 b. Then the pip cap releases and allows water to flow from the head. The link holds the pip cap or plug in place.

Glass bulb sprinkler heads are triggered when the liquid filled bulb bursts at the rated temperature. Standard for the installation of sprinkler systems also calls for automatic sprinklers to use color codes to indicate temperature rating. Once the ambient temperature around the sprinkler head reaches a specified temperature the alloy releases and the metal elements separate which causes. The link holds the pip cap or plug in place.

1 2 npt or iso7 1r1 2 nominal k factor. Once the room temperature around the sprinkler head reaches a certain temperature the alloy melts and the metal elements separate which causes the pip cap to fall away. Nickel alloy with ptfe load screw. A fusible link sprinkler head has a two part metal element that is fused by a heat sensitive alloy.

Copper alloy sealing assembly. The solder acts as the heat sensitive element of a fusible link sprinkler. A fusible link fire sprinkler head has a two part metal element that is fused by a heat sensitive alloy. Most fire sprinklers are available in two primary sizes.

3 0 43 metric max. Once the ambient temperature around the sprinkler head reaches a specified temperature the alloy releases and the metal elements separate which causes the pip cap to fall away. Water is then released. Nickel alloy fusible link sprinkler frame.

Rising temperatures cause the alloy to melt allowing the metal elements to fall from the sprinkler head and activate the sprinkler. In most cases a sprinkler s temperature rating is stamped on the fusible link or stamped or cast on a visible part of a glass bulb sprinkler s head. The link holds the pip cap or plug in place. A fusible link fire sprinkler head has two metal plates fused together by solder.

175 psi 12 bar material specifications ref. Fusible link fire sprinklers replace that bulb with metal components secured to the sprinkler by a heat sensitive alloy. This element acts as a valve that when the temperature reaches a specific level the alloy loses consistency and then releases the metallic parts causing the pip cap to fall away and allowing the flow. Fusible link sprinkler heads are triggered by a soft metal alloy that melts at the rated temperature.

A fusible link sprinkler head has a two part metal element that is fused by a heat sensitive alloy. When it reaches its designated temperature it melts and the two metal plates detach from each other. Installation refer to appropriate nfpa installation standards. The link holds the pip cap or plug in place.