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Preso研制成功一款新型消防泵流量计0乐果汽车靠垫IC卡储存罐成套家具Frc

发布时间:2023-12-07 19:48:29 阅读: 来源:铲子厂家
Preso研制成功一款新型消防泵流量计0乐果汽车靠垫IC卡储存罐成套家具Frc

Preso研制成功一款新型消防泵流量计

Preso研制成功一款新型消防泵流量计系统,该产品非常适合于软管阀阀头和消防泵的软管测试操作。此款流量计可以使操作者通过GPM或者LPS直接看到水的流量值,从而成功实现流量监控。

此消防泵系统最重要的设计要素是产生不同的压力从而获得精确水流值。Preso可以提供三个不同类型的消防泵系统,他们均获得FM认可的,适用于2’’道16’’的管型。

这些模型包括PFA Ellipse,PFV Venturi以及PFB环形空托管。PFAEllipse以Preso的专利椭圆形为特征,;PFV是以Preso文氏管为特征的,它可以被安装在任何有微型直管需求的位置。其精确度为+/-3%,而且具有双向测量功能。另外,每个消防泵系统都带有一个270度刻盘的直接读出器下降能耗和所需的空间。

Fire pump flowmeter system

New fire pump flowmeter systems from Preso are a suitable hose valve header and hose method for testing fire pump performance. Flow monitoring is ac全国钢坯市场安稳运行hieved by allowing the operator to read the water flow directly in GPM or LPS. The fire pump systems primary elements are designed to produce a differential pressure to attain accurate flow measurements. Preso offers three types of FM approved fir生产设备e pump systems available for pipe sizes 2 to 16. These models include the PFA Ellipse, PFV Venturi and the PFB Annular pitot tube. The PFA Ellipse model features the Preso patented Ellipse. The elliptical shape is designed with a series of ports facing the upstream velocit管家y pressures and flow sensing ports strategically located ahead of the trailing edge flow separation. The Model PFV features the Preso Venturi. It can be installed in any position with miniFo为试样截面面积mal straight pipe requirements. The PFB Annular is ma玻化砖de up of a round pi写字楼tot tube. It has an accuracy of +/-3% and is capable of bi-directional flow measurement. Each fire pump system includes a direct-readout gauge with a dial featuring a 270deg arc.


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液压拉床
插头线静态拉力试验机