Quick exhaust valves VBQF

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2 Product range overview and type codes Function Higher piston speeds can be achieved on the return stroke of single and double-acting drives with the quick exhaust valves VBQF. Compressed air flows from the control valve via the VBQF to the drive. The exhaust port 3 is closed at this time. When the pressure at 1 falls, exhaust flow occurs from 2 to 3. In order to implement a quick exhaust, the VBQF must be attached directly to the supply port of the drive. The VBQF can be mounted in any position and can also be turned. The VBQF is available with or without silencer. Features: Minimal height High flow rate Improved noise emissions Can be rotated (continuous rotation of the connection must, however, be avoided) Product range overview Function Version Type Pneumatic connection Page/Internet 1 (valve) 2 (drive) Quick exhaust valves Flat design VBQF-U With silencer Gx, QS-6 Gx 3, QS-8 VBQF-D Without silencer Gx, QS-6 Gx 3 Compact design SEU With silencer Gx,, Gy, G½ Gx,, Gy, G½ seu SE Without silencer Gx,, Gy, G½, G¾ Gx,, Gy, G½, G¾ se Type codes VBQF U G18 E Type VBQF Quick exhaust valve, flat design Exhaust air U D Unducted exhaust air Ducted exhaust air Pneumatic connection 2 (drive) G18 G14 Thread Gx Thread Pneumatic connection 1 (valve) E Q6 Q8 Threaded connection, like pneumatic connection 2 (drive) Push-in connector QS-6 Push-in connector QS-8 2 Internet: Subject to change 2015/03

3 Technical data Unducted exhaust air VBQF-U Ducted exhaust air VBQF-D -M- Flow rate 2,500 l/min -Q- Temperature range C -L- Operating pressure bar General technical data Exhaust air Unducted exhaust air VBQF-U Ducted exhaust air VBQF-D Pneumatic connection 2 (drive) Gx Gx Pneumatic connection 1 (valve) Gx QS-6 QS-8 Gx QS-6 Pneumatic connection 3 (exhaust air) (silencer) (silencer) Gx QS-8 Valve function Quick exhaust Nominal size [mm] Type of mounting Screw-in Mounting position Any Noise level [db (A)] Operating and environmental conditions Type of connection Threaded connection Push-in connector QS Operating pressure [bar] Operating medium Compressed air in accordance with ISO :2010 [7:4:4] Note on operating/pilot medium Operation with lubricated medium possible (in which case lubricated operation will always be required) Ambient temperature [ C] Temperature of medium [ C] Corrosion resistance class CRC 1) 1 1) Corrosion resistance class 1 according to Festo standard Components subject to low corrosion stress. Transport and storage protection. Parts that do not have primarily decorative surface requirements, e.g. in internal areas that are not visible or behind covers. Materials Housing Seals Note on materials Die-cast zinc, die-cast aluminium NBR RoHS-compliant 2015/03 Subject to change Internet: 3

4 Technical data Dimensions Unducted exhaust air VBQF-U Ducted exhaust air VBQF-D Download CAD data 1 Silencer Type Connection D1 D2 D3 B1 H1 H2 L1 L2 ß VBQF-U-G18-E Gx 37 Gx VBQF-U-G18-Q6 QS VBQF-U-G14-E VBQF-U-G14-Q8 QS VBQF-D-G18-E Gx Gx 37 Gx VBQF-D-G18-Q6 QS-6 QS-8 41 VBQF-D-G14-E Ordering data Version Pneumatic connection Standard nominal flow rate qnn at 6 bar } 5 bar Pressurisation 1 } 2 Exhausting 2 } 3 Standard flow rate qn at 6 bar } 0 bar Exhausting 2 } [l/min] [l/min] [l/min] [g] Weight Part No. Type Unducted exhaust air Gx Gx 350 1, VBQF-U-G18-E QS , VBQF-U-G18-Q , VBQF-U-G14-E QS , VBQF-U-G14-Q8 Ducted exhaust air Gx Gx Gx , VBQF-D-G18-E QS-6 QS , VBQF-D-G18-Q ,500 2, VBQF-D-G14-E 4 Internet: Subject to change 2015/03

5 Product Range and Company Overview A Complete Suite and Company Overview Our experienced engineers provide complete support at every stage of your development process, including: conceptualization, analysis, engineering, design, assembly, documentation, validation, and production Custom Automation Components Complete custom engineered solutions Custom Control Cabinets Comprehensive engineering support and on-site services Complete Systems Shipment, stocking and storage services The Broadest Range of Automation Components With a comprehensive line of more than 30,000 automation components, Festo is capable of solving the most complex automation requirements Electromechanical Electromechanical actuators, motors, controllers & drivers Pneumatics Pneumatic linear and rotary actuators, valves, and air supply P Cs and O evices PLC s, operator interfaces, sensors and I/O devices Supporting Advanced Automation As No One Else Can! Festo is a leading global manufacturer of pneumatic and electromechanical systems, components and controls for industrial automation, ith more than, employees in national head uarters ser ing more than countries For more than years, Festo has continuously elevated the state of manufacturing with innovations and optimized motion control solutions that deliver higher performing, more pro table automated manufacturing and processing e uipment ur dedication to the advancement of automation extends beyond technology to the education and development of current and future automation and robotics designers with simulation tools, teaching programs, and on site services ualit Assurance SO and SO Certi cations Festo Corporation is committed to supply all Festo products and services that will meet or exceed our customers re uirements in product uality, delivery, customer service and satisfaction To meet this commitment, we strive to ensure a consistent, integrated, and systematic approach to management that will meet or exceed the requirements of the ISO 9001 standard for Quality anagement and the ISO standard for nvironmental anagement ISO 9001 ISO Company Copyright 01, Festo Corporation hile every effort is made to ensure that all dimensions and speci cations are correct, Festo cannot guarantee that publications are completely free of any error, in particular typing or printing errors ccordingly, Festo cannot be held responsible for the same For iability and arranty conditions, refer to our Terms and Conditions of Sale, available from your local Festo of ce ll rights reserved o part of this publication may be reproduced, distributed, or transmitted in any form or by any means, electronic, mechanical, photocopying or otherwise, without the prior written permission of Festo ll technical data sub ect to change according to technical update Printed on recycled paper at ew orizon raphic, Inc, FSC certi ed as an environmental friendly printing plant

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