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
·结构紧凑，通道呈S型，压降损失小
·可调范围广，流量特性精度高
·动态稳定性好，噪音低，防空化气蚀
·阀芯导向面积大，抗震性好
·产品符合GB/T4213-2008 标准
·适用于控制各种高温、低温的流体
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Applicable Standards
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 |
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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 |
| ANSI | CL150、CL300 |
连接形式
Connections | 法兰式Flanged ;RF |
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 | 常温型(P)Normal | -17～+230℃ |
填料
Packing | 聚四氟乙烯V形填料、PPL、柔性石墨
Teflon V-ring, PPL、Grafiol, |
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 standard. 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
characteris-
tics |
≥DN32 | 软阀座
Soft 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) |
软阀座
Soft 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) |
可调范围
Adjustable range | 50:1(Cv≥0.25)、30:1(Cv≤0.16) |
泄漏等级
Leakage level | 软密封(soft sealing): Class VI |
基本误差
Fundamenta l 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 devia-
tion | ±2%(带定位器)
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