Fire collar
First Claim
1. A housing for fitting into pipework or ducting at the location the pipework or ducting traverses a partition, which housing incorporates a damper arrangement and a heat detector, wherein the damper arrangement is designed to normally enable unimpeded fluid flow through the pipework or ducting but to seal off the pipework or ducting when the heat detector reacts to a preset temperature value.
2 Assignments
0 Petitions
Accused Products
Abstract
A fire collar or fire damper for location within a concrete slab of a building. The device incorporates a damper arrangement (12) and a heat detector (18, 19) comprising a metal alloy or lead which melts when a preset temperature is reached, causing the damper arrangement to seal off associated pipework or ducting.
13 Citations
6 Claims
- 1. A housing for fitting into pipework or ducting at the location the pipework or ducting traverses a partition, which housing incorporates a damper arrangement and a heat detector, wherein the damper arrangement is designed to normally enable unimpeded fluid flow through the pipework or ducting but to seal off the pipework or ducting when the heat detector reacts to a preset temperature value.
Specification