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DB 9

DB 9

DB 9

Product catalog summary
Overview: This document outlines the technical specifications and operational guidelines for RICKMEIER DB9 pressure relief valves, which are utilized in oil hydraulics and lubrication technology. These valves are designed for pressure relief but do not qualify as safety valves under DIN 3320 standards.
Applications: The valves are suitable for use in various industries, including general machine building, automotive, chemical, and power generation sectors.
Flow Media: The valves are compatible with gear lubricant oil, hydraulic fluid, and crankcase oil. The medium must be lubricative, clean, non-corrosive, and free from hard particles to ensure durability and safety.
Technical Parameters: The standard valve features a nominal size of DN80, a maximum flow rate of 1800L/min, and a design pressure of 100 bar. It includes a globe valve type, hydraulic precontrol, and a metric SAE3-flange connection.
Product Description and Function: The valve comprises a main body, piston, orifice, and compression spring, with an attached pilot unit. It operates by balancing pressure between the inlet and spring chamber, with adjustments made via a regulating spindle.
Dimensions and Characteristics: Dimensional drawings and characteristic curves are provided for standard valves with internal control oil drainage. The pressure increase is influenced by fluid viscosity.
Identification and Type Code: Valves are identified by a specific code that details type, function, set pressure, connection, and materials used.
Materials: Standard materials include EN-GJS-400-15 for the body, with options like CrNi-steel and FPM (Viton) for specific components.
Standard Version and Variations: The document describes various standard versions and variations of pressure control valves, including angle valves, flange body types, and pilot units. Materials such as EN-GJS-400-15 (GGG-40), hardened steel, carbon steel, and alternatives like CrNi-steel and FPM (Viton) are highlighted.
Applications and Pressure Ranges: Designed for continuous pressure regulation, the valves have set pressure ranges of 2-8 bar, 6-12 bar, and 10-40 bar. They are used for system pressure control independent of pressure losses and in marine gearboxes for multidisc clutches.
Maintenance: RICKMEIER pressure relief valves are generally maintenance-free if operated within permissible limits. If a valve becomes unserviceable due to wear, it must be replaced as spare parts do not restore original safety.
Figures and Diagrams: The document includes illustrations of pressure relief valves with piston pilot units and pressure-time diagrams for startup processes of multidisc clutches. It also describes pressure stage control valves with specific applications and pressure settings.
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Catalog excerpts

DB 9-1

PRESSURE RELIEF VALVES RICKMEIER DB9-Druckbegrenzungsventile kommen in der Ölhydraulik, der Schmiertechnik und bei Verwendung unterschiedlichster Öle oder schmierfähiger Flüssigkeiten zum Einsatz. Die Ventile dienen der Druckbegrenzung, sind aber keine Sicherheitsventile im Sinne der DIN 3320. RICKMEIER DB9-pressure relief valves are used in the field of oil hydraulics, lubrication technology with many of different oils or lubricants. This valves are for pressure relief purposes. They are not safety valves according to DIN 3320. Typische Industriebereiche Allgemeiner Maschinenbau, Automobilbau, Apparatebau, Baumaschinen, Bergwerkstechnik, Chemieanlagenbau, Dieselmotoren, Druckereimaschinen, Elektromotorenbau, Fahrzeugtechnik, Gasturbinen, Getriebe, Gießereitechnik, Holzbearbeitungstechnik, Industriegetriebebau, Kältetechnik, Kompressorenbau, Kraftwerkstechnik, Motorenbau, Papiermaschinen, Pumpenbau, Schiffbau, Textilmaschinen, Verdichterbau, Wasserturbinen, Walzwerkindustrie, Werkzeugmaschinen, Windenergieerzeugung, Zementanlagenbau. Typical industrial fields: General machine building, automobil industry, apparatus engineering, construction machines, mining industry, chemical industry, diesel engines, printing machines, electric motor construction, automotive engineering, gas turbines, gears, industrial gear transmissions, refrigeration technology, compressor manufacturing, power generation, motorconstruction, paper machines, pump industry, shipbuilding, textile machines, compressor manufacturing, water turbines, rolling mills, tooling machines, wind energy generation, and cementplant. Die technischen Angaben in diesem Katalog dienen der allgemeinen Information. Bei Montage, Betrieb und Wartung sind die Betriebsanleitungen und die auf den Produkten angegebenen Hinweise unbedingt zu beachten. Änderungen der technischen Daten, Auswahl- und Bestelldaten, beim Zubehör und der Lieferbarkeit sind vorbehalten. Alle Abmessungen in Millimeter. The technical details in this catalog have been provided for general information. For any assembly, operation or servicing do respect the operating manuals and the instructions provided on the products. Technical data, product range and order data, accessories and availability are subject to alteration. All dimensions in millimetres. RICKMEIER GmbH Langenholthauser Str. 20–22 • D-58802 Balve Fon: +49 2375 927-0 • Fax: +49 2375 927-26 E-Mail: [email protected] www.r

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DB 9-2

2DURCHFLUSSMEDIEN Getriebeol, Hydraulikol, Motorenol. Andere Medien auf Anfrage. Als Voraussetzung fur lange Lebensdauer und hochste Betriebssicherheit soll das Durchflussmedium schmierfahig und nach Moglichkeit sauber und nicht korrosiv, in jedem Fall aber frei von harten Beimengungen sein. Zusatzlich gelten folgende Bereiche: Gear lubricant oil, hydraulic fluid, crankcase oil. Other fluids on request. The flow medium used should have good lubricity to ensure long lifetime and max. operational safety. If possible, the medium should be clean and non-corrosive, but always free from undesirable...

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DB 9-3

7 BEZEICHNUNGEN, TYPENSCHLUSSEL 7 IDENTIFICATION, TYPE CODE Die Bezeichnung der DB9-Druckbegrenzungsventile erfolgt nach folgendem RICKMEIER DB9-pressure relief valves are identi-Schlussel: fled by the following code: Die dargestellten Kennfelder gelten fur das Standard-Druckbegrenzungsventil mit internem Steuerolablauf und einer kinematische Viskositat des Mediums von 100 mm2 /s. Der Ablaufdruck am Ventilaustritt ist 0 bar (1 bar absolut). Die Kennlinien kon-nen auch fur geringere und hohere kinematische Viskositat verwendet wer-den. Dabei andert sich der Druckanstieg im Bereich von 10...

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DB 9-4

K egel (Patr.-Sitz) K egel (Patr.-Sitz) TellerfederTellerfeder Druckfeder Druckfeder 8 STANDARD VERSION AND VARIATIONS 8 STANDARDAUSFÜHRUNG UND VARIANTEN 8 STANDARDAUSFÜHRUNG UND VARIANTEN 8 STANDARD AND VARIATIONS 8 STANDARD VERSIONVERSION AND VARIATIONS Standard Standard Varianten Varianten Gehäuseausf. Rohrleitung (Eckventil) Gehäuseausf. Rohrleitung (Eckventil) Flansch Flansch body typebody type Vorsteuereinheit (Sitz) Kugel (Sitz) Vorsteuereinheit Kugel Kolben (Patr.-Schieber) Kolben (Patr.-Schieber) K egel (Patr.-Sitz) K egel (Patr.-Sitz) ball pilot unit pilot unit ball (seat) (seat) (pilot...

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DB 9-5

Druck pressure Magnet erregt magnet activated Ventil valve pKV Kupplung clutch Fülldruck filling pressure P Kuplung ein clutch engaged Umschaltung pKV-pke switch over pkV-pk Zeit time Abb. 8: Druck-Zeit-Diagramm Einschaltvorgang einer Lamellenkupplung. Abb. 6: DB9-Druckventil mit Schieberkolben-Vorsteuereinheit in Abb. 6: DB9-Druckventil mit Schieberkolben-Vorsteuereinheit in FlanschausFlanschausführung für rohrleitungsfreien Anbau. führung für rohrleitungsfreienBei ständiger Durchströmung Anbau. Abb. 6: DB9-Druckventil mit Schieberkolben-Vorsteuereinheit in : Anwendung Flanschausführung für...

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