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pressure relief valves

pressure relief valves

pressure relief valves

Product catalog summary
Overview
This document provides technical information and operational instructions for RICKMEIER's pressure relief valves, specifically the RSn and RSnE models. These valves are used in various industrial applications for pressure relief in oil hydraulics and lubrication systems. They are not classified as safety valves according to DIN 3320 standards.

Applications
The RSn and RSnE valves are utilized in industries such as general machine building, automotive, chemical plants, and more. They are designed for installation in pipelines to manage pressure but are not intended as safety devices.

Product Description and Function
The RSn(E) valves are directly controlled and feature a robust design. The spindle allows precise pressure adjustment and can be optionally equipped with a handwheel. The piston design ensures a sensitive response to pressure changes and is resistant to dirt particles.

Materials
The valves are constructed from materials such as EN-GJL-250 (grey cast iron) and steel, with options for alternative materials like CrNi-steel and FPM seals.

Operational Limits
Standard valves have specific operational limits, and exceeding these requires consultation with RICKMEIER. The flow medium should be lubricative, clean, and non-corrosive.

Maintenance
These valves are generally maintenance-free if operated within specified limits. Worn-out valves should be replaced rather than repaired to ensure safety.

Characteristic Data and Dimensions
Diagrams provide details on the valve's pressure and flow characteristics, with adjustments possible for different kinematic viscosities.

Key Diagrams
The document includes several diagrams illustrating the pressure and flow characteristics of different valve models, showing how pressure increases or decreases with spindle adjustments.
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Catalog excerpts

pressure relief valves-1

druckbegrenzungsventile pressure relief valves Form 229609-3 (11/07) P U M P E N T E C H N O L O G I E Zahnradpumpen Ventile Sonderprodukte In diesem Katalog sind Angaben zur Ausführung und Anwendung unserer Druckbegrenzungsventile RSn(E) enthalten. Die mit den Ventilen ausgelieferte Betriebsanleitung enthält weitere Hinweise und ist in jedem Fall zusätzlich zu beachten. Änderungen sind vorbehalten. RSn(E) This section of the catalogue contains general information and instructions for the operation of our pressure relief valves RSn(E). Our valves are supplied with operating instructions which include important notes, which must be respected in every case. We reserve all rights to technical changes. Systeme RICKMEIER GmbH Langenholthauser Str. 20-22 58802 Balve Phone + 49 (0) 23 75 / 9 27-0 Fax + 49 (0) 75 / 9 27-26 E-Mail [email protected] @ www.rickmeier.de 1

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pressure relief valves-2

1 Einsatzgebiete 1 Applications RICKMEIER Druckbegrenzungsventile RSn und RSnE kommen RICKMEIER pressure relief valves RSn and RSnE are used in the in der Ölhydraulik, der Schmiertechnik und bei Verwendung field of oil hydraulics, lubrication technology and with many unterschiedlichster Öle oder schmierfähiger Flüssigkeiten zum different oils or lubricants. Valves for installation in pipes are for Einsatz. Die Ventile zum Einbau in Rohrleitungen dienen der pressure relief purposes. They are not safety valves according to Druckbegrenzung, sind aber keine Sicherheitsventile im Sinne DIN 3320. der...

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pressure relief valves-3

■ Zahnradpumpen ■ Ventile ■ Sonderprodukte ■ Système * früher gebrauchliche Bezeichnungen 'previously used descriptions Die Bezeichnung der RICKMEIER RSn Druckbegrenzungs- ventile erfolgt nach folgendem Schlüssel 4 Identification, type code RICKMEIER RSn valves are identified by the following code: NenngröRe / diameter nom. [inch] _ AnschluRart / port_ Einstellung / setting_ Sonderausführung / customized version_ Die dargestellten Einsatzgrenzen gelten für Ventile in der Standardausführung. Sind Überschreitungen der angegebenen Grenzen erforderlich, sprechen Sie bitte mit unseren Mitarbeitern....

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pressure relief valves-4

6 Characteristic data and dimensions pressure increase = spindle counter-clockwise rotation pressure decrease = spindle clockwise rotation SAE-Bild optional fiir RSn(E)1.1/2 und 2 RICKMEIER Druckbegrenzungsventile sind in der Regel war- tungsfrei, wenn sie innerhalb der zulàssigen Einsatzgrenzen be- trieben werden (siehe „5 Einsatzgrenzen"). Wird ein Druckbe- grenzungsventil infolge von VerschleiR unbrauchbar, so muss es ersetzt werden. Der Einbau von Ersatzteilen führt nicht wieder zur ursprünglichen Betriebssicherheit. RICKMEIER pressure relief valves, as a rule, are maintenance- free, always...

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pressure relief valves-5

8 Kennfelder 8 Characteristics Die dargestellten Kennfelder gelten für eine kinematische The diagrams shown apply to a kinematic fluid viscosity of 2 2 Viskosität des Mediums von 100 mm /s und einen Ab- 100 mm /s and a pressure of 0 bar (1 bar absolute) at valve laufdruck von 0 bar (1 bar absolut) am Ventilaustritt. Die exit. The lines can also be applied for higher or lower kine- Kennlinien können auch für geringere und höhere kine- matic viscosities. In the range of 10 mm /s to 2000 mm /s 2 the valve pressure increase changes in the range of ± 5% matische Viskosität verwendet werden. Dabei...

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