Product Details
Precision in Flow Control, Excellence from Zhongyuan
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Product Features
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Applicable Standards
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Valve Body Component Selection
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Structural Configuration
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Main Performance Parameters
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Product Features
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
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Applicable Standards
| 中国标准
Chinese Standard | 美国标准
American Standard |
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
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Valve Body Component Selection
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 |
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 |
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) |
| 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.
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Structural Configuration
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Main Performance Parameters
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) |
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) |
≥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) |
软阀座
Soft seat ring |
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) |
软阀座
Soft seat ring |
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)
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