Fire Detection, Heat-Actuated

Heat sensitive devices may be either "spot" or "line" type and operate at a fixed temperature or on a rapid increase in

temperature (rate-of-rise). Some detectors combine the fixed and rate sensitive principles.

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The spacing guides listed are indicative of each detector"s relative sensitivity and, in each case, the spacing guide is the

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maximum recommended separation between detectors for smooth-ceiling installations. For a given temperature rating, a

fixed-temperature detector which has a 30 ft (9 m) listing and one which has a 15 ft (5 m) listing will both respond at

approximately the same time to a geometrically growing fire if each is installed at its listed spacing. FM Approved rate-of-rise

detectors all have 30 ft (9 m) listed spacings, the maximum separation recommended by FM Approvals.

Installation of heat detectors at less than maximum spacing is necessary: to achieve earlier response; to compensate for ceiling

obstructions such as beams and joists; and to compensate for ceiling heights greater than 15 ft (5 m). Proper location and use of

heat detectors involves consideration of ceiling construction, the location of partitions, the maximum normal room temperature,

heat produced by the occupancy, and whether detector function is to warn occupants or to automatically actuate protection

equipment. Refer to Standard 72-1993 of the

新华网杭州１１月１４日电（记者方列）记者从浙江丽水市有关部门获悉，１１月１３日２２时５０分许，专业的CTI-155X缆式线型感温火灾探测器生产厂家,正宗火警探测、报警设备生产商，丽水莲都区雅溪镇里东村发生山体滑坡，近２０幢房屋被埋，当地立即启动地质灾害特别重大Ⅰ级响应预案。目前已经有５名村民被救出，其中４人死亡，１人被送往医院治疗，仍有３３名村民失踪。　　据初步了解，发生山体滑坡的是当地的一个地质灾害点，滑坡的范围很大，一直延伸到里东高速边。目前丽水市负责人正在现场组织公安、消防、卫生、雅溪镇等单位人员全力开展抢险救灾工作并组织村民撤离，尽一切力量抢救被埋人员，并防范二次灾害发生。 验收程序，验收申请加油站、储油库、油罐车在获得环保监测合格报告后，按照属地管理原则，向有管辖权的县级及以上环保部门提交环保验收申请，申请油气污染治理工程环保验收。受理验收申请的环保部门负责组织开展验收工作。各县（市、区）通过油气回收治理环保验收的加油站、储油库和油罐车，由县级环保部门将一份验收材料报聊城市环保局审查备案。治理单位申请验收时应提供以下材料：验收申请表、环保验收监测报告、油气污染治理方案、设计施工图、设计单位资质证明文件、施工单位资质证明文件、油气回收设备供应商资质文件、计量检定报告、安全评估报告、防爆合格证等，油罐车业主需另外提交车辆营运许可证和行驶证，并提供复印件。 　　液缸的活塞向下运动(既重物下降)。液压油经防爆型电磁换向阀进入液缸上端，液缸下端回油经平衡阀、液控单向阀、节流阀、隔爆型电磁换向阀回到油箱。为使重物下降平稳，专业的CTI-155X缆式线型感温火灾探测器生产厂家,正宗火警探测、报警设备制造商，制动安全可靠，在回油路上设置平衡阀，上海道夫自动化仪表工程有限公司,道夫自动化仪表工程,平衡回路、保持压力，使下降速度不受重物而变化,由节流阀调节流量，控制升降速度。 为使制动安全可靠，防止意外，增加液控单向阀，专业的CTI-155X缆式线型感温火灾探测器生产厂家,火灾监控探测器相关，即液压锁，保证在液压管线意外爆裂时能安全自锁。安装了超载声控报警器,用以区别超载或设备故障。