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Relief Valves

Product catalog summary

Specifications
The document describes a diaphragm safety valve, angle type, spring-loaded, designed to prevent pressure exceedance in systems. It is tested for water and operates automatically when the pressure surpasses the set blow-out pressure. Manual override is possible. The valve is made of brass with a plastic cap and EPDM diaphragm, suitable for temperatures up to +110°C. Connection options include female B.S.P. threads ranging from G1/2 to G11/4.

Action Pressure
The valve is available with action pressures of 3, 4, 6, 8, or 10 bar. The 3 bar version is coded 'H' for heating, while the others are coded 'W' for industrial water heaters according to DIN 4753.

Ordering Information
The ordering code is structured to indicate product type, body material, diaphragm, action pressure, and connection size. For example, MA126025 represents a diaphragm safety valve made of brass, with a 6 bar action pressure and G 1" connection.

Standards and Compliance
The safety valves are developed in accordance with harmonized standards such as EN 292 for machinery safety, EN 983 for pneumatic systems, and EN 60204-1 for electrical equipment of machinery. They are intended for incorporation into machinery, which must comply with the EU Machinery Directive 98/37/EC before operation.

Catalog excerpts

Dok.-Nr.: KAT-MA-1/2 28.04.04 Änderung: Ansprechdruck geändert END-Armaturen GmbH & Co. KG Postfach (PLZ 32503) 100 341 · Oberbecksener Str. 78 · D-32547 Bad Oeynhausen · Telefon (05731) 7900-0 · Telefax (05731) 7900-199 · http://www.end.de Art. MA - Seite 1/2 Artikel: MA Sicherheitsventil 3 - 10 bar Messing Type: MA Safety valve 3 - 10 bar Brass Technische Daten BAUFORM Membran-Sicherheitsventil in Eckform mit Federbelastung. Zur Absicherung von unter Druck stehenden Systemen gegen Drucküberschreitung. Bauteilgeprüft für Wasser. BETÄTIGUNG Automatisches Öffen bei Überschreitung des eingestellten Abblasedruckes. Die Membrane ist anlüftbar. ANSCHLUSS Innengewinde G1/2 bis G11/4 ANSPRECHDRUCK - 3 bar Kennbuchstabe "H", für Heizung. - 4, 6, 8 oder 10 bar Kennbuchstabe "W", für Brauchwassererwärmer nach DIN 4753. TEMPERATUR max. +110°C WERKSTOFFE Gehäuse: Messing Kappe: Kunststoff Membrane: EPDM Alle Angaben sind freibleibend und unverbindlich! Specifi cation DESIGN Diaphragm-Safety valve, angle type, springloaded. Tested for water. OPERATION Opens automatically, when the pressure exceeds the adjusted blow-out-pressure. Manual override is possible. CONNECTION Female B.S.P. thread G1/2 - G11/4 ACTION PRESSURE - 3 bar code letter "H", for heating. - 4, 6, 8 oder 10 bar code letter "W", for industrial water heater acc. to DIN 4753. TEMPERATURE RANGE max. +110°C MATERIALS Body: Brass Cap: Plastic Diaphragm: EPDM The above information is intended for guidance only and the company reserves the right to change any data herein without prior notice!

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END-Armaturen GmbH & Co. KG Postfach (PLZ 32503) 100 341 · Oberbecksener Str. 78 · D-32547 Bad Oeynhausen · Telefon (05731) 7900-0 · Telefax (05731) 7900-199 · http://www.end.de Art. MA - Seite 2/2 Dok.-Nr.: KAT-MA-2/2 28.04.04 Änderung: Ansprechdruck geändert Artikel- u. Bestellangaben: z.B. MA126025 = Membran-Sicherheitsventil, Messing, Ansprechdruck = 6 bar, Innengewinde G 1" Ordering example: e.G. MA126025 = Diaphragm-Safety valve, Brass, Action pressure = 6 bar, Female thread G 1" 4. + 5. Stelle Membrane 3. Stelle Gehäusewerkstoffe 1. + 2. Stelle Produkt 7. + 8. Stelle Anschluß 30 = 3 bar...

Open the catalog to page 2

Relief Valves

Relief Valves

Catalog excerpts

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