AL 低噪音控制阀 ,AL low noise control valve
大【dà】行【háng】程【chéng】和全面导【dǎo】向的结构,提高了阀芯在大压降和高压下的稳定性,减少【shǎo】了侧面负载【zǎi】和阀芯振动,延长了 阀【fá】门的【de】使用寿命【mìng】。
标准化、模块化设计,性能更可靠。采用活塞环、高性能密封圈密封提高了泄漏等级。
型 式 Type |
直通球型阀 Straight-through globe valve |
公称尺寸 Nominal size |
NPS1~ 12 |
公称压力 Nominal pressure |
Class150~900 |
阀体材料 Body material |
A352 LCC,A216 WCB |
连接型式 Body connection |
ANSI B16.5 RF,RJ(其【qí】他法兰标准可【kě】选【xuǎn】) ANSI B16.5 RF,RJ(Other flange standards are optional ) |
法 兰 距 Face-to-face dimensions |
符合 ANSI/ISA-S75. 12~ 16 In accordance with ANSI/ISA-S75. 12~ 16 |
上 阀 盖 Bonnet |
常温型( N ):-17℃ ~ +230℃ ; Normal temperature( N ):-17℃ ~ +230℃ ; 中温型( M ):+230℃ ~ +310℃ ; Medium temperature( M ):+230℃ ~ +310℃ ; |
填 料 Packing |
聚四氟乙【yǐ】烯、增强【qiáng】聚【jù】四氟乙烯 V 型填料、柔性石【shí】墨、石墨组合填料等 PTFE,reinforced V type packing,soft graphite,graphite combined packing etc. |
垫 圈 Gasket |
石墨 +304、316 或其他复合垫片 Graphite+304,316 or other composite gaskets |
阀芯型式 Plug type |
压力平衡式阀芯 Pressure balancing plug |
流量特性 Characteristics |
等百分比、线性、快开 Equal percentage,linear,on-off |
表面涂层 Surface painting |
黄色、但阀体材质为不锈钢时不加涂层 Yellow,in the case of stainless steel body no painting |
适用介质 Suitable medium |
天然气及非腐蚀性气体 Natural gas and non-corrosive gases |
适用温度 Suitable temperature |
-46℃ ~ +310℃ |
执行机构 Actuator |
电动、气【qì】动 Pneumatic,electric |
应 用 Application |
长输管线输气站、城市燃气调压站、工业用气等对于出口压力的控制 Using for long-distance pipeline gas station,city gas pressure regulating stations,industrial gas to control outlet differential pressure |
1、大行程【chéng】和【hé】全面【miàn】导向的结构,提高了阀芯在大压降和高压下的【de】稳定【dìng】性,减【jiǎn】少【shǎo】了侧面负载和阀芯振动【dòng】,延长了 阀门的【de】使用寿【shòu】命。
The structure of large stroke and complete guiding enhances the stability of plug under largepressure drop ang high pressure,reduces side load and plug vibration,and prolongs the service life of valve.
2、标准化、模块化设计,性能更可靠。
The standardized and modularized design makes the performance more reliable.
3、采用活塞环、高性能密封圈密封提高了泄漏等级。
The pistonring and high performance seal ring are adopted for sealing so as to enhance the leakage level.
4、填料函采用免维护自紧密封设计,更安全、更可靠。
The paking box a dopt smainte nancefree e if-tightening sealing design,which is more safe and more reliable.
5、填料函系统增加防尘套,可有效的防止灰尘、杂物进入填料函。
The paking box system is additionally provided with dust cover to effectively prerent dust and sundries from entering into the paking box.
6、阀体与单座阀完全通用,可在线更换阀内组件。
The body is completery interchangeable with that of single seat valve and the online replacement of valve trim can be realized.
7、承压件【jiàn】依据【jù】 ASME 核电级标准设计,使用更【gèng】安全,更适【shì】宜严峻的工况 。
The pressure containing parts are designed in accordance with more safe use and being more applicable to severe working conditions.
8、该【gāi】系列阀门阀体结构紧凑【còu】、阀芯部分由套筒全【quán】面导向、抗振性好,采【cǎi】用活塞【sāi】环【huán】、高性能密封【fēng】圈密封【fēng】提【tí】高【gāo】了 泄漏等级【jí】,具有体【tǐ】积小、重量轻,压降损失小、流量大、可调【diào】范围广、流量特【tè】性曲线精【jīng】度高、动【dòng】态稳定性好【hǎo】、 噪音低【dī】、空化腐蚀小、泄漏量小等特点。
Series cage control valve is a kind of high performance pressure balancing control valve pro-duced by our company through introducing advanced technology from abroad. In this series valve the structure of body is compact,the plug can realize complete guiding through cage with good anti-vibration performance and the piston ring and high performance seal ring are adopted for sealing so as to enhance the leakage level. It has such features as small volume, light weight small pressure drop loss large flow,wide rangeability, highly precise flow charac-teristic curve ,good dynamic stability low noise small cavitation corrosion and small leakage the series products can be widely used.
9、是为降低可压【yā】缩流【liú】体的噪音而设计【jì】的 , 为适应气体的 节流扩散【sàn】与膨胀【zhàng】 ,套筒上有许多对称【chēng】小【xiǎo】孔来降低压力 降【jiàng】和消耗【hào】流体的能量【liàng】 , 可【kě】广【guǎng】泛用于噪音【yīn】教【jiāo】高、可能产 生气蚀【shí】空化的场合。
Series products are designed to reduce the noise of compressible fluid.To meet the throttling diffusion and expansion of gas the cage is provided with many small holes to reduce the pressure drop and the energy consumption of fluid.The products can be widely used in the occasion with higher noise and the occasion where cavitation may possibly occur.