我们的无石棉密封产品通过欧洲技术检测。
Our Non-asbestos Sealing Products pass across European technical check.
虽然对无石棉密封材料做了大量的研究，但许多理论都是建立在近似的基础上，没有通用的模型及本构方程。
It is pointed out that many scholars have done many studies at home and abroad, but there are no universal models and equations till now.
通过对重油催化裂化装置中法兰泄漏原因的分析，提出了处理方法：将原石棉密封垫片改为波齿复合密封垫片。
By analyzing for the flange leakage on a heavy oil catalytic pyrolysis unit, the writer put forward a treatment method, i. e. to replace old asbestos gasket with a compound corrugated gasket.
配方是影响无石棉胶乳抄取密封材料性能的重要因素。
Formula is an important impacting factor of the asbestos-free latex sealing material in performance.
密封件可以是高分子材料、石棉或橡胶，密封件材料的选择取决于阀门所输送的介质成分、工作温度、工作压力和流速。
Seals can be polymer materials, asbestos or rubber seal material selection depends on the valve components of the transmission medium, operating temperature, working pressure and flow rate.
密封用石棉和橡胶压缩薄板。尺寸的测定。
Asbestos and rubber compressed sheets for seals. Measurement of dimensions.
例如为了防止二次污染，即使是排污阀也不采用含石棉的密封填料和垫片。
For example, in order to prevent secondary pollution, even the use of sewage is not Valve asbestos packing and gasket sealing.
用石棉盘根取代原来的密封结构，不仅方法简单适用，密封效果达到使用要求，且更换维护简便，成本低廉。
The replacement of original sealing structure by asbestos packing is easy and practical, can make sealing meet the demands for utilization, is convenient to change and maintain, and is of low cost.
主要用途石棉盘根用于若酸碱、液氨、水、油品介质、阀门、泵、活塞、杆作防腐密封。
Main USES asbestos pan-gen liquid ammonia acid and alkali, for if, water, oil medium, valves, pumps and piston and rod for anticorrosion seal.
气缸盖用的密封垫是用软金属薄片或金属和石棉组成的薄片制成，留出所有的气缸孔、水道孔、气门孔和气缸盖螺栓孔。
Head gaskets are made of thin sheets of soft metal or of asbestos and metal. All cylinder, water, valve, and head-Bolt openings are cut out.
为杜绝垫片材料加工制造过程中石棉粉尘引起的危害，应大力开发和应用推广不含石棉的密封垫片。
Developing, applying and expanding asbestos-free gaskets is proposed to prevent from the hazards caused by asbestos dust in production process for gaskets material.
打开锅炉的前后烟箱门，检查密封垫片及烟垢，以决定是否更换和清理，同时检修浇注的耐火混凝土和密封石棉垫（绳）；
Open the smoke chamber of boiler; check the seal patch and smoke dirt to decide if it needs to clean up or replacement.
打开锅炉的前后烟箱门，检查密封垫片及烟垢，以决定是否更换和清理，同时检修浇注的耐火混凝土和密封石棉垫（绳）；
Open the smoke chamber of boiler; check the seal patch and smoke dirt to decide if it needs to clean up or replacement.
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