JB/T 11238-2011 English PDF

US$159.00 · In stock
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JB/T 11238-2011: Vacuum technology. Efficiency of liquid-ring vacuum pumps
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 11238-2011	159	Add to Cart	3 days	Vacuum technology. Efficiency of liquid-ring vacuum pumps	Valid

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Basic data

Standard ID: JB/T 11238-2011 (JB/T11238-2011)
Description (Translated English): Vacuum technology. Efficiency of liquid-ring vacuum pumps
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J78
Classification of International Standard: 23.160
Word Count Estimation: 6,663
Date of Issue: 2011-12-20
Date of Implementation: 2012-04-01
Quoted Standard: GB/T 13929-2011; JB/T 7255-2007; JB/T 10770-2007
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2011 No. 43; industry standard filing Notice 2012 No. 2 (No. 146 overall)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard provides a single-stage liquid ring (water or other liquids) when the pump inlet pressure of 400hPa isothermal compression efficiency (hereinafter referred to as efficiency) curve and the application methods. This standard applies to gas is greater than or equal to 1 m3/min single-stage liquid ring vacuum pump (hereinafter referred to as the pump).

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