http://www.ka-valve.com/check-....valve/different-type
Product Description
Working principle of stainless steel flange check valve: The check valve automatically opens and closes the valve flap depending on the flow of the medium itself to prevent the backflow of the medium.
Execution standard and performance specification
Nominal diameterDN8-DN100, 1/2"-12"
Nominal pressurePN16
Shell strength test pressurePN2.4MPA
Low pressure air tightness test pressure0.8MPA
Applicable mediaWater, oil, gas, nitric acid, acetic acid
Design and Manufacturing StandardsANSI B16.34, GB/T-12224-2015
Test StandardAPI598, GB/T13927-2008, EN12516-3
thread standardG, BSP, BSPT, DIN259, DIN2999, ISO228, NPT, PT, ISO7/1
Stainless steel flange check valve main parts material table
valve bodyA216 (WC, A351 CF8, CF8M, CF3M, 321, 2205
valve plateSUS304, SUS316, SUS316L, SUS321, SUS2205
valve seatSUS304, SUS316, PTFE, RPTFE, M111, M1600, M1700, PPL
screwSUS304, SUS316

http://www.cqsjalu.com/
Our History
Chongqing Shijie Aluminum Industry Co., Ltd started its journey with the completion of its first production line in 2009锛宻tarting from coated aluminum and has gradually expanded its production range and entered different fields.
In 2012, With the upgrade of production line, Shijie broadened its scope of alloy processing and started the production of aluminum for food and pharmaceuticals.

http://www.betonorganic.com/
About Us
Beton Nutrition Corporation began by the end of 2010,is a national high-tech enterprise that integrating the research,development, production, sales and exportation of plant extracts. The factory has successively passed ISO9001 quality management system certification, ISO22000 food safety management system certification, KOSHER certification, HALAL certification, and obtained FDA, QS, and SC certification.

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