R433b比其他的制冷剂的蒸发潜热大,单位时间降温速度更快;分子量小,流动性能好,输送压力低,压缩机的负荷减小,可延长压缩机的使用寿命,降低电耗,节省系统的运行成本。R433B组成成分,摩尔百分比:丙烷占94.9918%,丙烯占5.82%。名称:R433B,HC-433B分类:混合制冷剂分子量:44摩尔质量:44g/molCAS编号:74-98-6/115-7-1临界温度:96℃临界压力:4.27MPa临界密度:221臭氧层破坏潜能(ODP):温室效应指数(GWP):3R436A制冷剂R436A是碳氢化合物冷媒,不损坏臭氧层,无温室效应,该制冷剂热工性能与R134a相近。
商品描述
订货示例/ Ordering Code (4)(5) (6)
(1)名称代号/ Name code :
(3)结构形式/ Structure :一直通式/ straight through Q 一球阀/ Qbal valve
(4)密封材料/ Sealing materials :增强尼龙、聚/ reinforced nylon , Teflon
(2)连接形式/ Connecting methods :
1一内螺纹/1一 internal thread
2一外螺纹/2external thread
F 一焊接式法兰/ F - Welding type flange
(5)公称压力/ nominal pressure : 10、20、31.5MPa
(6)公称通径/ Nominal diameter :10-40mm
产品简介/ Production Overview 本阀主要用于蓄能器前作断流装置,亦可在其它液压系统中作启闭之用。球的启闭位置由阈杆头部标记指示,当刻线和管平行则为开启,反之为关闭,工作介质可由任意一端出入。适用于公称压力10、20、31.5MPa,介质温度为:10℃-+80℃的液压油的乳化液的系统上。 本接头采用组合式,因此可以根据用户的连接需要进行选配。
The valve is used to switch off the power for energy storage or switch of the hydraulic system . The on and of position of the bal valve is indicated by the valve rod head marks . When the scale is in paralel with the pipe , it opens ; and vice versa , it closes . The working medium may be iled from any end . The applicable nominal pressure 10,20,31.5Mpa. Medium temperature : emulsion at -10C-+80C. The valve adopts composite connectors . The clients may make options as required .