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Magros springless Non-Return-Valve

Figure: MAGROS

The innovative springless Non-Return-Valve

MAGROS is the reliable and high-quality springless non-return-valve, made from stainless steel, for gases and liquids at common temperatures, and with low pressure drop in open position.
Reliable operation with low minimum cracking pressure.
The valve body is made from solid stainless steel. Butt welded ends are the standard end connections.
Modifications and special solutions, for example for outdoor operation, different end connections and many other parameters are possible.

Technical Data

Technical Design

Service fluid N2, O2, Ar, H2, He, N2O, CO2, natural gas
Operation temperature: service fluid -40° C to +50° C
Operation temperature: environment -40° C to +50° C
Body shape straight pattern
Seat sealing metal/soft seal
Sealing to atmosphere metal-C-ring, He-leakage rate to outside 1 x 10-8 mbar l/s
Surface of medium touched parts turned, grinded, electrolytically polished or passivated
Minimum opening pressure ≤ 0,1 bar
Installation position horizontal
Body material stainless steel
Certification DIN EN 10204/3.1 B AD2000-A4


Brochure: Magros / PDF



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STÖHR ARMATUREN was rewarded with the seal of quality for "Innovation by Research" by the Stifterverband für die Deutsche Wissenschaft (Founding Association for German Sciences) and is a permanent corporate member of following cryogenic associations: Deutscher Kälte- und Klimatechnischer Verein | Cryogenic Society America, Inc. | British Crygenics Council |

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