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 |
快换式阀座, 一体式压笼和导向套,泄漏量小 |
上阀盖内设有波纹管,对阀杆形成双密封,堵绝流体外漏 |
配用多弹簧薄膜执行机构,结构紧凑、体积小凑、输出力大 |
中国标准 Chinese Standard |
美国标准 American Standard |
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质量保证 Quality assurance |
ISO9001 | 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 | 15 | 20 | 25 | 32 | 40 | 50 | 65 |
inch | 1/2 | 3/4 | 1 | 1.25 | 1.5 | 2 | 2.5 | |
公称通径DN |
mm | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
inch | 3 | 4 | 5 | 6 | 8 | 10 | 12 | |
公称压力 PN |
PN | 16、25、40、64 | ||||||
ANSI | CL150、CL300 | |||||||
连接形式 Connections |
法兰式;Flanged 焊接式Welding |
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形式 type |
直通单座铸造球型阀,不平衡阀芯 straight bore single casting ball valve,Unbalance 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 temp |
波纹管密封型 Bellows sealed type |
-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 | |||||||
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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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 stan- dard. In the case of stainless steel body, no painting is standard. |
流量特性 flow characteristics |
≤DN25 |
金属阀座 Metal valve seat ring |
高精度 High accuracy |
等百分比特性(%)和线性特性(1) Equal percentage character (%) and linear character (1) |
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软阀座 Soft seat ring |
等百分比特性(%)和线性特性(1) Equal percentage character (%) and linear character (1) |
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≥DN32 |
金属阀座 Metal seat ring |
高容量 High capacity |
等百分比特性(%)和线性特性(1) Equal percentage character(%) and linear character (1) |
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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(1) Equal percentage character (%cf)and linear character (Icf) |
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软阀座 Soft seat ring |
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可调范围 Adjustable range |
50:1(Cv≥0.25)、30:1(Cv≤0.16) | ||||
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) |