AL 低噪音控制閥 ,AL low noise control valve
大行程和全面導向的結構,提高了閥芯在大壓降和高壓下的穩(wěn)定性,減少了側面負載和閥芯振動,延長了 閥門的使用壽命。
標準化、模塊化設計,性能更可靠。采用活塞環(huán)、高性能密封圈密封提高了泄漏等級。
型 式 Type |
直通球型閥 Straight-through globe valve |
公稱尺寸 Nominal size |
NPS1~ 12 |
公稱壓力 Nominal pressure |
Class150~900 |
閥體材料 Body material |
A352 LCC,A216 WCB |
連接型式 Body connection |
ANSI B16.5 RF,RJ(其他法蘭標準可選) ANSI B16.5 RF,RJ(Other flange standards are optional ) |
法 蘭 距 Face-to-face dimensions |
符合 ANSI/ISA-S75. 12~ 16 In accordance with ANSI/ISA-S75. 12~ 16 |
上 閥 蓋 Bonnet |
常溫型( N ):-17℃ ~ +230℃ ; Normal temperature( N ):-17℃ ~ +230℃ ; 中溫型( M ):+230℃ ~ +310℃ ; Medium temperature( M ):+230℃ ~ +310℃ ; |
填 料 Packing |
聚四氟乙烯、增強聚四氟乙烯 V 型填料、柔性石墨、石墨組合填料等 PTFE,reinforced V type packing,soft graphite,graphite combined packing etc. |
墊 圈 Gasket |
石墨 +304、316 或其他復合墊片 Graphite+304,316 or other composite gaskets |
閥芯型式 Plug type |
壓力平衡式閥芯 Pressure balancing plug |
流量特性 Characteristics |
等百分比、線性、快開 Equal percentage,linear,on-off |
表面涂層 Surface painting |
黃色、但閥體材質為不銹鋼時不加涂層 Yellow,in the case of stainless steel body no painting |
適用介質 Suitable medium |
天然氣及非腐蝕性氣體 Natural gas and non-corrosive gases |
適用溫度 Suitable temperature |
-46℃ ~ +310℃ |
執(zhí)行機構 Actuator |
電動、氣動 Pneumatic,electric |
應 用 Application |
長輸管線輸氣站、城市燃氣調壓站、工業(yè)用氣等對于出口壓力的控制 Using for long-distance pipeline gas station,city gas pressure regulating stations,industrial gas to control outlet differential pressure |
1、大行程和全面導向的結構,提高了閥芯在大壓降和高壓下的穩(wěn)定性,減少了側面負載和閥芯振動,延長了 閥門的使用壽命。
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、標準化、模塊化設計,性能更可靠。
The standardized and modularized design makes the performance more reliable.
3、采用活塞環(huán)、高性能密封圈密封提高了泄漏等級。
The pistonring and high performance seal ring are adopted for sealing so as to enhance the leakage level.
4、填料函采用免維護自緊密封設計,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、填料函系統增加防塵套,可有效的防止灰塵、雜物進入填料函。
The paking box system is additionally provided with dust cover to effectively prerent dust and sundries from entering into the paking box.
6、閥體與單座閥完全通用,可在線更換閥內組件。
The body is completery interchangeable with that of single seat valve and the online replacement of valve trim can be realized.
7、承壓件依據 ASME 核電級標準設計,使用更安全,更適宜嚴峻的工況 。
The pressure containing parts are designed in accordance with more safe use and being more applicable to severe working conditions.
8、該系列閥門閥體結構緊湊、閥芯部分由套筒全面導向、抗振性好,采用活塞環(huán)、高性能密封圈密封提高了 泄漏等級,具有體積小、重量輕,壓降損失小、流量大、可調范圍廣、流量特性曲線精度高、動態(tài)穩(wěn)定性好、 噪音低、空化腐蝕小、泄漏量小等特點。
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、是為降低可壓縮流體的噪音而設計的 , 為適應氣體的 節(jié)流擴散與膨脹 ,套筒上有許多對稱小孔來降低壓力 降和消耗流體的能量 , 可廣泛用于噪音教高、可能產 生氣蝕空化的場合。
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.