



ul 448相关标准参考信息
ANSI/UL 448-2013 消防设备用离心静止泵的安全性标准
简介:
信息:ICS:13.220.10;23.080 CCS:J71 发布:2013-01-01 实施:
简介: 信息:
简介: 信息:
UL 448 BULLETIN-2011
简介:This bulletin announces the availability of the Outline of Investigation for Ultrasonic andMagnetic Type Residential Water Flow Meters, Subject 327B. These requirements cover theconstruction and performance of inferential ultrasonic and magnetic type residential waterflowmeters intended for use in dry, indoor atmospheres, and for cold water supplies in acompletely wetted pipe section when connected directly to residential sprinkler fire protectionsystems; or when connected to combined domestic plumbing and residential sprinkler fireprotection service (multipurpose fire protection system) when installed as specified in theStandard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings andManufactured Homes, NFPA 13D.
信息:ICS: CCS: 发布:2011-01-14 实施:
简介: 信息:
简介: 信息:
UL 448 BULLETIN-2010
简介:The following changes in requirements to the Standard for Centrifugal Stationary Pumps forFire-Protection Service, UL 448, are being proposed:1. Minimum dimensional requirements for the pump drain and passages through theimpeller.2. Clarification of requirements related to certain pump construction features andincrements for pump capacity ratings.
信息:ICS: CCS: 发布:2010-07-30 实施:2010-07-30
简介: 信息:
简介: 信息:
UL 448C-2009 消防用固定旋转式正向位移泵
简介:
信息:ICS:13.220.10;23.080 CCS:J71 发布:2009-02-02 实施:
简介: 信息:
简介: 信息:
ANSI/UL 448C-2009 防火设备用固定泵,回转泵和排液泵标准
简介:Proposed First Edition of UL 448C, the Standard for Stationary, Rotary-Type, Positive-Displacement Pumps for Fire Protection Service
信息:ICS:13.220.10;23.080 CCS:C84 发布:2009 实施:
简介: 信息:
简介: 信息:
UL 448B-2008 一户、两户住宅和人造房屋用住宅灭火泵
简介:
信息:ICS:13.220.10;23.080 CCS:C84 发布:2008-12-23 实施:
简介: 信息:
简介: 信息:
UL 448A-2008 消防泵用弹性联轴节和连接轴
简介:
信息:ICS:13.220.10;23.080 CCS:C84 发布:2008-12-23 实施:
简介: 信息:
简介: 信息:
UL 448 BULLETIN-2007 消防用固定离心泵的UL安全标准(评审到期日 2007年12月17日)
简介:The following changes in requirements are being proposed:1. Proposal Request (PR6240) - Clarification that L10 rating is in millions of revolutions2. Editorial type clarification to 8.4
信息:ICS:13.220.10;23.080 CCS:J71 发布:2007-11-16 实施:
简介: 信息:
简介: 信息:
UL SUBJECT 448C-2007 消防用固定旋转式正排量泵调查纲要.版本号1
简介:1.1 These requirements cover stationary, rotary type, positive displacement pumps intended for supplying water or foam concentrate to fire protection systems.1.2 The pumps covered by these requirements are intended to be mounted in the horizontal position and installed in accordance with the Standard for Installation of Stationary Pumps for Fire Protection, NFPA 20.
信息:ICS: CCS:J71 发布:2007-08-27 实施:
简介: 信息:
简介: 信息:
UL SUBJECT 448A-2007 消防泵用连接轴用柔性接头调查大纲.发布编号:4
简介:Outline of Investigation for Flexible Couplings for Connecting Shafts For Fire Pumps Issue Number: 4
信息:ICS: CCS:C84 发布:2007-07-03 实施:
简介: 信息:
简介: 信息:
UL 448-2007 消防服务用离心固定泵
简介:These requirements cover centrifugal fire pumps intended for use in water-supply systems for fire-protection service. The pumps covered by these requirements are intended for installation and use in accordance with the Standard for the Installation of Stationary Pumps for Fire Protection, NFPA 20.
信息:ICS:13.220.10;23.080 CCS:J71;C84 发布:2007-06-08 实施:
简介: 信息:
简介: 信息:
UL SUBJECT 448B-2006 一家和两家住房和组装屋用住宅消防泵调查大纲.发布编号:2
简介:Outline of Investigation for Residential Fire Pumps Intended for One- and Two-Family Dwellings and Manufactured Homes Issue 2;
信息:ICS: CCS:C84;J71 发布:2006-03-10 实施:
简介: 信息:
简介: 信息:
UL 448-2004 消防装置用泵
简介:
信息:ICS:13.220.10 CCS:J71;C84 发布:2004-09-14 实施:
简介: 信息:
简介: 信息:
UL 448 BULLETINS-2004
简介:These requirements cover centrifugal fire pumps intended for use in water-supply systems for fire-protection service. The pumps covered by these requirements are intended for installation and use in accordance with the Standard for the Installation of Stationary Pumps for Fire Protection, NFPA 20.
信息:ICS:13.220.10;23.080 CCS: 发布:2004 实施:
简介: 信息:
简介: 信息:
UL SUBJECT 448A-1995 消防泵和驱动器弹性连接的调查大纲.发布编号:2
简介:Outline of Investigation for Flexible Couplings for Connecting Fire Pumps to Drivers Issue Number: 2
信息:ICS: CCS:C84 发布:1995-12-11 实施:
简介: 信息:
简介: 信息:
UL 448-1994 消防装置用泵
简介:
信息:ICS:13.220.10 CCS:J71;C84 发布:1994-09-02 实施:
简介: 信息:
简介: 信息:
我们的实力
部分实验仪器




合作客户
注意:因业务调整,暂不接受个人委托测试望见谅。