| 1. | Solid stellite disc , seat ring and backseat provide excellent long service life even in severe services
实心钨铬钴合金阀瓣、阀座环和后座，即使在严酷的应用领域也能够保持较长的使用寿命。 |
| 2. | Large stuffing box accommodates all packing arrangements , including live - loaded design and lantern ring type for severe services
大型填料函可适应所有填料配置排列，包括适用于严酷应用环境的动负载结构和套环。 |
| 3. | Our tilting disc check valves are designed for quick opening and closing in severe service applications and the elimination of water hammer
我们的翻转式阀瓣止回阀专用于在严酷的应用环境下迅速开启和关闭，避免出现水锤现象。 |
| 4. | The patches that belong to this category fix flaws in the product that can potentially cause data loss or severe service disruptions . they should be implemented immediately
这类补丁修补了一些严重缺陷，这些缺陷可能导致数据丢失或者严重的服务崩溃，必须立刻修补。 |
| 5. | Raised , conical seat prevents solids build - up from interfering with seal . seat is hardfaced with stellite to meet severe service . alternative space age alloys are also used
凸起的、锥形阀座避免实心颗粒淤积影响密封。阀座采用钨铬钴合金进行硬面处理，能够经受恶劣环境的考验。也可采用航空工业用合金制作的阀座。 |
| 6. | For the severe service - environments , such as high - pressures etc , the requirements for the properties of materials have reached the nano scales , and carbon nano - materials are used as reinforcements of the advanced composites increasingly
由于结构可能处于高压等极端恶劣的服役环境中,对其材料性能的要求甚至达到微观尺度,故纳米碳材料在先进复合材料强韧化中应用广泛。 |
| 7. | In spite of the enormous improvements in foundry technology , assisted by computerized processes to optimize the design of patterns and flow geometry during pouring it is extremely difficults to achieve x - ray / mt or pt quality to class 1 or 2 acceptance standards required in hp / ht applications in nuclear , thermal power stations or severe services in petrochemical industries
尽管铸造技术已经有了巨大的发展，并利用计算机技术辅助优化结构设计和浇铸过程的流体几何设计，但是要达到1类或2类接受标准的x射线/ mt或pt质量要求仍然是极端困难的，而这些都是核电站、热电站或石化工业内的苛刻环境所要求的标准。 |
