无锡华能电伴热样本自限式.pdf

12 六 LT HT型自限式电热带 LT HT Self regulating heating cable LT HT型自限式电热带的基带系我公司引进美国NELSON公司产品 NELSON公司是世界著名电伴热产品制造厂商之 一 本产品采用国际IEEE标准制造 产品水平据国际一流 本自限式电热带功率衰减小 使用寿命长 它能根据伴热温度调正其输出功率 这种自控温特性在产品长度上处处存在 即使是电热带交叉安装 也不会产生交叉点过热 它适用于较复杂热场的伴热系统 LT HT型自限式电热带适用的最高温度分别为85 和185 最高流体维持温度分别为65 和120 的场合 并且可 根据管道长度任意切割 正因为它的自控温特性 所以伴热的热场比较均匀 它在工业上应用广泛 主要适用于电厂 海洋 平台 石油化工厂 高层建筑的配套设施以及食品加工等 它们分普通型 TC 加强型 T 两种 加强型适合于有腐蚀性 的场合 The products of based strip are imported from NELSON company in USA one of the major electric surface heating companies in the world The products are manufacutred according to IEEE international of standard The products quality come to the recently world advanced stage NELSON s products power drop self regulating is very small and longlived It can auto adjust the power output to the varying conditions along the pipe Self regulating properties occurs at every point along the length of cable The self regulating effect allows the cable to be overlapped without creating hot spots or burnout It is suitable for requiring heating trace in comprehensive heat field LT HT is suitable for industrial applications where temperature excursions to 85 185 or process temperature maintenance to 65 120 may be experienced and can be cut at any point to fit pipework Owing to self regulating properties It produce a uniform heat field It has been widely used in power stations off shore installations petrochemical building services and food processing It has ordinary range TC and strengthen range T strengthen range is suitable for use in corrosive areas 1 型号含义 Type number nomenclature 例e g LT TC 30 220V 30W m 低温普通型自限式电热带 220V 30W m Low temp self regulating cable HT T 50 220V 50W m 高温加强型自限式电热带 220V 50W m High temp self regulating cable 额定功率 watts W m 10 自限式电热带SRLT 低温型 Low temp range HT 高温型 High temp range 编织材料 TC 镀锡铜丝编织 普通型 Tinned copper braid ordinary range T 镀锡铜丝编织加外护套 加强型 Tinned copper braid and over jacker strengthe range 母线 bus wire 发热芯 heating core 护套 outer insulation 铜编织 overbraid 加强护套 oversheath 电伴热产品 Introduction 13 额定电压 service voltage 220V 介电强度 dielectric test 2 5kv min 绝缘电阻 insulation resistance 20M 最高耐温 max withstand temperature LT 85 HT 185 尺寸 包括编织和外护套 Size 11 7 5 4mm LT 规格 10 3 5mm HT 规格 注 LT加强型的接线盒请选用CH型系列接线盒 最小弯曲半径 minimum bend radius 19mm 最低安装温度 min install temp 40 最高维持温度 max maintenance temperature LT 65 HT 120 额定发热量 rated power output 10 LT 30W m 25W m 15W m HT 60W m 50W m 40W m 30W m 25W m 20W m 10W m 4 断路器 熔丝 规格 Fuse circuit breaking sizing 3 热力值曲线 Heat output curves 2 技术指标 Rating data LT 型