There are actually six different seat leakage classifications defined by ANSI/FCI 70-2 2006 (European equivalent standard IEC 60534-4). The most commonly used are CLASS IV CLASS Vl CLASS IV is also known asmetal to metal. It is the kind of leakage rate you can expect from a valve with ...
Control Valve Seat Leakage Classifications (分类控制阀座泄漏).pdf,Control Valve Seat Leakage Classifications (ANSI/FCI 70-2-1991) Leakage Max Allowable Test Medium Test Pressures Testing Procedure Required Class Leakage I No test required II 0.5% of r
内容提示: ANSI/FCI 70-2-2006 AMERICAN NATIONAL STANDARD CONTROL VALVE SEAT LEAKAGE Fluid Controls Institute, Inc. Sponsor: Fluid Controls Institute, Inc. 1300 Sumner Ave Cleveland, Ohio 44115-2851 文档格式:PDF | 页数:9 | 浏览次数:527 | 上传日期:2014-05-13 10:23:42 | 文档星级: ...
Standard Type, Regulating Cutting Type, Bellow Sea Category Control Valve Leakage Standard Class IV or Class VI Flow Characteristic Linear or Equal Percentage Actuator Pneunamic Connecting Type Flange Medium Temperature - 20 Deg C to 560 Deg C Usage Flow Control Size Dn15-Dn300 ...
ANSI/FCI 70-2-2006 standard establishes a series of seat leakage classes for control valves and defines the test procedures. Leakage Classes Maximum Seat leakage Test Procedure Class I - None Class II 0.5% of rated valve capacity Type A Class III 0.1% of rated valve capacity Type A Class...
fcileakagevalveseatansiamerican ANSI-FCI_70-2-2006_AMERICAN_NATIONAL_STANDARD_CONTROL_VALVE_SEAT_LEAKAGE,ANSI-FCI_70-2-2006_AMERICAN_NATIONAL_STANDARD_CONTROL_VALVE_SEAT_LEAKAGE,FCI,70-2 君,已阅读到文档的结尾了呢~~ 立即下载相似精选,再来一篇 ...
ANSI-FCI 70-2-2006 AMERICAN NATIONAL STANDARD CONTROL VALVE SEAT LEAKAGE
The utility model relates to a leakage-proof temperature control valve which comprises a valve body, a constant temperature controller connected with the valve body, a valve core arranged between the constant temperature controller and the valve body and a leakage-proof device arranged between the ...
(FKM): -10 to 60°C / 14 to 140°F Electric Actuator Explosion Proof ExdIIBT4 Shut Off Leakage Class VI per IEC 60534-4 Electric Actuator IP Code Flow Coefficient IP66 or IP68 (7 m, 72 hours) See Table 2 Failure Position Lock-in-Last Position Inherent Flow Characteristics Linear ...
... 5.35 Control Valve Manifold Designs 控制阀的阀组设计 5.37 Control Valve Seat Leakage 控制阀泄漏量规定 ... www.tydf.cn|基于19个网页 2. 控制阀门座泄漏 ANSI/FCI 70-2-2006 控制阀门座泄漏(Control Valve Seat Leakage)资料介绍 ANSI/FCI 70-2-2006 控制阀门座泄漏Control Valv…www.bzfxw.com|...