Becker U 4.20 User Manual

20,0 kg
44,1 lbs
U 4.20
MAX.
V
m /h
3
Made in Germany
year
No
min
-1
kW
m /h
3
mbar
type
speed
power required
inlet capacity
max. vacuum
Hz
frequency
D-42279 Wuppertal
www.becker-international.com
MAX. V
L = 63 dB(A) - 50Hz
L = 67 dB(A) - 60Hz
K = 3 dB(A)
pA
pA
pA
MAX.
-p
VACUUM
mbar
Made in Germany
year
No
min
-1
kW
m /h
3
mbar
type
speed
power required
inlet capacity
max. vacuum
Hz
frequency
MAX. VACUUM
DIN EN ISO 3744
STANDARD
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Becker Lube
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28100040300 06/18
1
2
Betriebsanleitung
Operating Instructions
Instructions de service
Istruzioni d’uso
Handleiding
Instrucciones para el manejo
Manual de instruções
Naudojimosi instrukcija
Kasutusjuhend
Lietošanas instrukcija
Driftsinstruks
Driftsinstruktioner
Käyttöohje
Driftsvejledning
Instrukcja obsługi
Kezelési útmutató
Návod k obsluze
Navodilo za uporabo
Návod na obsluhu
Upute za rad
Manual de operatii
Treoracha Oibriúcháin
Οδηγίες χρήσης
Kullanim Kilavuzu
Инструкции за експлоатация
Инструкция по эксплуатации
取扱説明書
사용설명서
使用说明书
2006/42/EG
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Becker U 4.20 Specifications

General

Housing Material	Cast Iron
Max Flow Rate	20 CFM
Voltage	230 V
Frequency	60 Hz
Max Liquid Temperature	50 °C

Summary

Product Overview and Specifications

Key Operational Indicators and Labels

Visual indicators for AIR, oil, and vacuum, plus certification marks.

Noise Emission Data

Specifies sound pressure levels (LpA) at different frequencies.

Installation and Electrical Setup

Electrical Connection Diagrams

Illustrations for 3-phase and 1-phase power connections.

Power Switch Operation

Instructions for using the main power switch (ON/OFF).

Operational Parameters and Options

Inlet Port Size Specifications

Defines required pipe diameters for different U 4.20 models.

Pressure-Volume Characteristics

Graph illustrating the relationship between pressure and volume.

Optional Accessories Identification

Visual guide to optional accessories and their part numbers.

Performance Data and Safety

Water Flow Rate vs. Temperature

Chart showing water flow rate based on inlet water temperature.

General Safety Precautions

Important safety warnings related to pressure, electrical, and handling.

Maintenance Procedures and Intervals

Oil Level and Change Guidance

Instructions for checking oil and recommended oil change intervals.

Filter and Air System Maintenance

Procedures for maintaining air filters and related components.

Scheduled Maintenance Tasks

Details on long-term maintenance at 2000 hours and specific servicing.

Cleaning and Support

Unit Cleaning Instructions

Steps for cleaning the vacuum pump unit.

Customer Support Contact

Information for contacting Chemtech Scientific for service.