The wet parts of this pump are made of full stainless steel material to perform outstanding corrosion resistance to organic acid , organic compound , alkali , neutral solution and a great many of gases , double helix carbon graphite bearing and hardalloy bearing are provided with good abrasion - resisting propertyto ensure the service life of product , it is an optimal pump forhandling corrosive mediums without leakage 该泵过流部份采用全不锈钢材料，对有机酸，有机化合物，碱、中性溶液和多种气体都有良好的耐腐性，双螺旋槽碳石墨轴承和硬质合金轴套的磨合，具有较强的耐磨性，保证了产品的寿命，是无泄漏输送腐蚀性介质的理想泵。
The catena products design for stsrting closing controling of diversified strong corrosive medium , configuration form is float through form , connect form is flange , the passing parts of valve - body lumen and valve - cover valve - staff etc . are all metal pad fluorine plastic inside , rotproof excellently . the product have son - catena j41f - 16 pad fluorine end - valve and j44f - 16 angle form pad fluorine end - valve choosing to use 本系列产品是为各种强腐蚀性介质的启闭控制而设计，结构形式为直通式和角式，连接形式为法兰，阀体内腔及阀盖阀杆等过流部件均为金属内衬氟塑料，耐腐蚀性能优异。
Suitable for chemical , petroleum , pharmaceutical , mining , papermaking , cement plant , steel plant , power plant , coal processing , as well as discharge system in city wastewater treatment works , municipal engineering and construction sites etc . to handle sewage containing particles , and also used to pump clean water and corrosive medium 适用于化工、石油、制药、采矿、造纸工业、水泥厂、炼钢厂、电厂、煤加工工业，以及城市污水处理厂排水系统、市政工程、建筑工地等行业输送带颗粒的污水、污物，也可用于抽送清水及带腐蚀性介质。
Due to the influence of the corrosive agents in the outer environment , the resistance and dynamic reliability of the chemical structures declined with time very fast . and it is difficult for the chemical structures that with the normal design reliability level to fulfil their structural functions . on the condition that the design service life is confirmed , the design reliability level of the chemical structures should include the corrosive environment and its effect on the structures . based on agents ' corrosiveness fuzzy classification , this paper suggests a practical method on design reliability level decision - making of the industrial structures , which is very useful for the anti - corrosion design of the industrial structures 化工结构由于受到外部腐蚀性介质环境的影响，其承载能力及动态可靠度水平随使用时间衰减过快，按照普通结构设计可靠度水平设计的工业建筑常难以顺利完成设计使用功能.因此，在设计基准期预先确定条件下，化工结构的设计可靠度水平应综合考虑腐蚀性环境及其对建筑结构的影响特点来决策.根据介质腐蚀性模糊分级，提出了工业建筑设计可靠度水平的一种实用决策方法
