阀体结构紧凑,流体通道呈S型,设有导流翼,防止素流 |
压降损失小、流量大、可调范围广、流量特性精度高 |
阀塞设有三重密封,泄漏量更小,泄漏等级高 |
双层多孔式压笼的采用,进一步地提高了内件的降噪音性能 The use of double-layer porous pressure cage further improves the noise reduction performance of the internals |
中国标准 Chinese Standard |
美国标准 American Standard |
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质量保证 Quality assurance |
ISO9001 TS2710J59 |
ISO9001 |
设计制造design and manufacture | GB12224-2005 | ASME B16.34 |
法兰标准 flange standard |
GB9113,GB9124.1 HG20592-2009 |
ASME B16.5 |
结构长度 length of structure |
GB/T17213.3 | ASME B16.10 ISA S75.03 |
检验和试验标准 inspection and test standard |
GB/T4213-2008 | ANSI FCI70-2 IEC60534-2-1 |
公称通径DN |
mm | 40 | 50 | 65 | 80 | 100 | 125 | 150 | |
inch | 1.5 | 2 | 2.5 | 3 | 4 | 5 | 6 | ||
公称通径DN |
mm | 200 | 250 | 300 | 350 | 400 | 450 | 500 | |
inch | 8 | 10 | 12 | 14 | 16 | 18 | 20 | ||
公称压力 PN |
PN | 16、25、40、64、100、150、260、320、420 | |||||||
ANSI | CL150、CL300、CL600、900、1500、2500 | ||||||||
连接形式 Connect- |
法兰式Flanged:RF、RJ、TG、MFM 焊接式Welding:SW(40-50); SW(50-600) |
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形式 type |
直通铸造球型阀,压力平衡阀芯 Through-type casting ball valve,Pressure Balanced Plug |
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压盖形式 Gland |
螺栓压紧式bolt clamp | ||||||||
*上阀盖 温度范围 Bonnet |
标准型 | -17~+230℃ | |||||||
散热片型(G) | -45~-17℃,+230~+566℃ | ||||||||
伸长型(D) | -196~-45℃ | ||||||||
波纹管密封型(W) | -45~+350℃ | ||||||||
填料 Packing |
聚四氟乙烯V形填料聚四氟乙烯碳纤维柔性石墨 Teflon V-ring, Teflon fiber,, Grafoil |
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垫圈 Gasket |
金属缠绕石墨垫、金属锯齿型(316) matel wound graphite Gasket、Grooved metal gasket (316 stainless steel) |
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表面 涂层 Painting color |
浅咖啡色(环氧树脂),阀体阀盖材质为不锈钢时,均不加涂层。 Light curry(Epoxy resin group)is standard. In the case of stainless steel body, no painting is standard. |
CV值及额定行程 CV value and rated stroke |
高容量阀芯;高精度流量特性阀芯 High capacity plug ; High accuracy flow characteristic plug |
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流量特性 Flow characteristics |
金属阀座 Metal seat ring |
高容量 high capacity |
等百分比特性(%)和线性特性(L) Equal percentage character(%) and linear character (L) |
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软阀座 Soft seat ring |
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金属阀座 Metal seat ring |
高精度 high accuracy |
等百分比特性(%)和线性特性(L) Equal percentage character(%) and linear character (L) |
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软阀座 Soft seat ring |
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可调范围 Adjustable range |
50:1 | |||
泄漏等级 Leakage level |
硬密封(hard sealing):标准(standard)Class IV,特需(special)Class V | 软密封(soft sealing): Class VI | ||
基本误差 Fundamental error |
标准型:±1.5%(带定位器);伸长型:±2.5%(带定位器) | |||
回差 Backlash |
标准型:±1.5%(带定位器);伸长型:±2.5%(带定位器) | |||
死区 Dead zone |
标准型:±0.6%(带定位器);伸长型:±1%(带定位器) | |||
始终点偏差 Start point deviation |
±2%(带定位器) | |||
额定行程偏差 Rated travel deviation |
±2%(带定位器) |