AIRMATIC VSS Assembly And Main Instructions For Use And Maintenance

Ball segment valves
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Manual No. VAL.VSS.--.M.A.0424.EN
airmatic.com |
VSS
BALL SEGMENT
VALVES
ASSEMBLY AND
MAIN INSTRUCTIONS
FOR USE AND
MAINTENANCE
Latest update: April 2024
ORIGINAL INSTRUCTIONS IN ENGLISH
AIRMATIC
215.333.5600
| infocenter@airmatic.com
Revision: A

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  • Page 1 BALL SEGMENT VALVES ASSEMBLY AND MAIN INSTRUCTIONS FOR USE AND MAINTENANCE Manual No. VAL.VSS.--.M.A.0424.EN Revision: A Latest update: April 2024 ORIGINAL INSTRUCTIONS IN ENGLISH AIRMATIC airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 2 This publication cancels and replaces any previous edition and revision. We reserve the right to make modifications without prior notification. This manual may not be reproduced, even partially, without the prior written consent of the Manufacturer. AIRMATIC airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 3: Table Of Contents

    04.24 TABLE OF CONTENTS VAL.VSS.--.M.A.0424.EN Rev.: A TABLE OF CONTENTS 1.0 GENERAL INFORMATION 1.1 Scope of the Manual ......................... 1 1.2 Symbols ............................2 1.3 Glossary and terminology ......................... 4 1.4 Manufacturer’s data and identification of the valve ................5 1.5 Request for assistance ........................
  • Page 4 04.24 TABLE OF CONTENTS VAL.VSS.--.M.A.0424.EN Rev.: A 6.0 INFORMATION REGARDING USE ....................... 31 6.1 Production Start-up ......................... 31 6.2 Clearing the valve following a blockage ..................32 6.3 Machine shut-down at the end of the work cycle ................32 6.4 Long inactivity of the valve ......................32 6.5 Possible reuse after long shut-downs .....................
  • Page 5: Scope Of The Manual

    The Manual, which is an integral part of the equipment concerned, must be preserved throughout the life of the equipment in a known easily accessible place, available for consultation whenever required. If the Manual is lost, damaged or becomes illegible, contact AIRMATIC for a copy specifying the serial number of the equipment.
  • Page 6: Symbols

    Indicates that appropriate behaviour must be adopted to avoid posing risk for the health and safety of persons and avoid causing economic damage. Important Indicates particularly important technical information which must not be ignored. AIRMATIC 2 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 7 Information: indicates the direction of rotation of the electric motor. Obligation: indicates the hooking points for lifting each section of the equipment con- cerned. Forbidden: indicates it is forbidden to introduce hands into the equipment. AIRMATIC 3 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 8: Glossary And Terminology

    - Ensure the temperature of the equipment concerned is such that it does not burn. - Provide appropriate lighting in the area around the operations. - Wait for the material to be handled inside the equipment or machine concerned to settle down com- pletely. AIRMATIC 4 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 9: Manufacturer's Data And Identification Of The Valve

    7) Valve weight 1.5 Request for assistance For all technical assistance, contact AIRMATIC’s service network. For all requests, provide the equipment identification data, the type of problem encountered and all other infor- mation which could be useful for identifying the problem.
  • Page 10: Exclusion Of Responsibility

    - non-pursuant to the regulatory standards and national or local legislation on the matter of occupational safety; - non-pursuant to the recommendations in this Manual or on the warning and danger plates applied on the equipment. AIRMATIC 6 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 11: Information Regarding Safety

    04.24 2.0 INFORMATION REGARDING SAFETY VAL.VSS.--.M.A.0424.EN Rev.: A 2.1 General safety prescriptions Read the Instruction Manual carefully and strictly follow the instructions it includes, especially those regarding safety. Most accidents at the workplace are caused by negligence, failure to follow the most elementary safety regulations and incorrect or improper use of tools and equipment.
  • Page 12: Safety Prescriptions For Installation

    Strictly follow the procedures indicated in the Manual, especially those on safety. Make sure all safety devices are enabled and work properly. Post signs around the work area to prevent the access of unauthorised persons. AIRMATIC 8 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 13 At the end of maintenance or replacement operations, before resuming production, check that no for- eign bodies (rags, tools, etc.) are left inside the valve. AIRMATIC 9 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 14: Technical Information

    3.1 General description of the valve The VSS ball segment valves are used in all systems where the interception of the flow of materials moved by gravity is required. The VSS ball segment valves are fitted under hoppers, containers, silos, screw conveyors or other types of conveyors.
  • Page 15: Main Components

    3.2 Main components A) Upper body B) Lower body C) Seal D) Cover E) Control shaft F) Driven shaft G) Bellow caps H) External bushings I) Internal bushings J) O-Rings AIRMATIC 11 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 16: Operating Principle

    3.3 Operating principle The VSS ball segment valves offer, in the open position, a section for the flow of material without any obsta- cles. Seen from above, no other free-section mechanical valve has smaller dimensions. 3.4 Intended use The VSS valves can be used in applications with discontinuous operation for the interception of flows of pow- dered materials or poorly flowing granules moved by gravity under hoppers, tanks, silos, screw conveyors or other conveyors.
  • Page 17: Noise Level

    3.6 Noise level The noise level of the VSS valve is not higher than 20 dB(A), the value measured at a distance of 1 m, in the most unfavourable position. These data may vary according to the type of product handled and the type of actuator installed.
  • Page 18: Safety And Information Signs

    In case removable protections are used, provide limit switches for the immediate stopping of the valve in the event the protections are opened or removed. The restarting of the valve must take place only when the protec- tions are active again (according to EN 1088). AIRMATIC 14 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 19: Information Regarding Handling And Transport

    04.24 4.0 INFORMATION REGARDING HANDLING AND TRANSPORT VAL.VSS.--.M.A.0424.EN Rev.: A 4.1 Type of packaging The type of packaging is selected according to the type of supply, the transport means used, the quantity of goods shipped and the destination. The packages can be loaded separately on the vehicle or fixed to a pallet, properly protected, or inside a con- tainer for shipment to a far destination or for sea or air transportation.
  • Page 20: Reception Of Goods

    If the supply is "free at the place of destination", a copy of the waybill and of the complaint shall be sent to the Manufacturer or to the forwarder. If damages are not claimed immediately upon the acceptance of the merchandise, your request for compensa- tion may not be accepted. AIRMATIC 16 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 21: Lifting And Unloading Methods

    Unload the packages from the means of transport and place them on a flat surface which can ensure the sta- bility. Avoid damages to the goods during unloading and handling. Always handle the goods with care. AIRMATIC 17 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 22: Installation And Fixing

    04.24 5.0 INSTALLATION AND FIXING VAL.VSS.--.M.A.0424.EN Rev.: A 5.1 Safety prescriptions for installation Danger - Warning The replacement operations must be carried out by a specialist authorized technician with specific skills. Provide appropriate safety measures and use suitable equipment to prevent risk of work accident to persons involved in the operations and to those nearby.
  • Page 23: Supply

    Make sure that the valve is mounted in the right direction (see the section dedicated to fastening the actuator). Make the pneumatic and electrical connections according to the legislation in force. AIRMATIC 19 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 24 - do not start it if the system in which it was installed has not been certified according to the legislation in force; - provide the necessary devices in order to prevent damages to persons or property; Important After assembling the equipment, check and if necessary correct any misalignments and deviations. AIRMATIC 20 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 25: Assembling Instructions

    - Fit the lever (D) with the bent part facing the screen on the splined disc shaft to ensure that the lever is in the “closed” position (Fig. 3); - Secure the lever with the knob bolt (E), the washer (F) and the lever fixing knob (G) as shown in (Fig.2). AIRMATIC 21 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 26 The two inductive proximity switches (see Fig.2), must be fastened onto the two sides of the plate (B) at a minimum distance of 0.8 mm from the lever. length (mm): a = 60 a = all out b = 51.5 b = threaded Fig. 2 AIRMATIC 22 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 27 By tightening the bolts, the lever will automatically be fastened to the shaft. Secure the lever using the screw - washer - knob unit (E) and the padlock (B), as shown in the figure. AIRMATIC 23 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 28 Attach the screen (B) onto the extension (F) using the screw plus 2 washers and a self-locking nut (E). Mount the lever (D) on the splined shaft and secure it with a screw plus washer (G). AIRMATIC 24 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 29 - Type CPU and CP Fig. 1 Fig. 2 Fig. 3 The supply includes: - 1 electro-pneumatic actuator + mechanical base; - 2 hex bolts Place the valve (A) on a flat surface. AIRMATIC 25 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 30 4) Turn the Allen screw (D) clockwise until you feel resistance and tighten the nut (E) to lock the Allen screw. In the case of CP126 and CP126 Tandem, support the weight of the actuator with a fixed support bracket. AIRMATIC 26 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 31 Mount the gear reducer (A) on the splined shaft so that the axis of the electric motor is parallel to the work surface (see Fig. 1). Secure the gear reducer using two bolts and lock with a key by applying a torque of 36Nm. AIRMATIC 27 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 32: Electrical Connection

    . Consult the manual available on ® www.airmatic.com MOTORS WITH SINGLE POLARITY Delta connection Star connection Lower voltage Higher voltage MOTORS WITH DOUBLE POLARITY Dahlander single winding - single voltage Higher speed Lower speed UN43-0014CG AIRMATIC 28 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 33: Compressed Air Connections

    Important AIRMATIC 29 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 34 - insufficient torque to open and close the valve. Stop the valve and remove the malfunction cause. Danger - Warning When sizing the valve, check for any incompatibilities between the product and its components. AIRMATIC 30 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 35: Val.vss.--.M.a.0424.En

    Given the difficulties in calculating the exact weight due to the variable properties of the material, as a general rule, it can be considered that there are no problems for densities <1.13 kg/dm with standard hoppers and silos. For higher density materials, please contact AIRMATIC customer service. Impor tant Close the valve only when the material is flowing.
  • Page 36: Clearing The Valve Following A Blockage

    3) Grease the coupling between the valve and the actuator; 4) Grease the actuator components if necessary; 5) Repair the damaged or worn mechanical parts if required; 6) Disconnect the power. AIRMATIC 32 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 37: Possible Reuse After Long Shut-Downs

    5) If the valve should operate under different conditions or with materials different from the previous applica- tion, make sure that this use is compatible with the INDICATIONS FOR USE; 6) Start up the equipment (see “Production Start-up”). AIRMATIC 33 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 38: Information Regarding Maintenance

    04.24 7.0 INFORMATION REGARDING MAINTENANCE VAL.VSS.--.M.A.0424.EN Rev.: A Danger - Warning Before any maintenance activity, activate all the safety devices to ensure the safety of the persons involved and those nearby. Set the valve concerned in safety condition. Wear suitable personal protection equipment; in this regard, refer to the person in charge of produc- tion safety.
  • Page 39: Cleaning The Valve

    7.2 Lubrication Lubrication operations must be performed (see the periodic checks table) using conductive lubricant pastes on the following parts: - splined shaft; - Grounding contact bolt. AIRMATIC 35 of 43 airmatic.com | 215.333.5600 | infocenter@airmatic.com...
  • Page 40: Replacement Of Parts

    04.24 8.0 REPLACEMENT OF PARTS VAL.VSS.--.M.A.0424.EN Rev.: A 8.1 Safety recommendations for replacement Danger - Warning Replacement operations must be carried out by an authorized specialist technician with specific train- ing in the sector (mechanical, electrical, etc.). Before carrying out any operation, provide suitable safety measures and use the appropriate equip- ment to prevent risk of work injuries to persons involved in the operations and those nearby.
  • Page 41: Replacing The Wear Parts

    8.2 Replacing the wear parts The cap seal and bushings, the only wear parts on VSS valves, must be replaced after a certain period de- pending on the type of material and application. It is recommended to replace the seals and bushings every 2 years according to the Maintenance Table.
  • Page 42: Returning The Valve

    Dismantling of the valve must be entrusted to personnel specialized in these activities and having the ad- equate skills. Dismantle the components of the valve concerned; if necessary, contact AIRMATIC for further informa-tion. Dismantled components have to be separated according to the nature of materials they are made of, in compli-ance with laws on "differential collection and disposal of waste".
  • Page 43: Information Regarding Faults

    Minor problems can be solved without consulting a specialist. The following Table contains a list of the most common problems, the possible causes and possible remedies. For particularly difficult actions which are not mentioned in the Table, contact AIRMATIC’s Customer Service Department.
  • Page 44: Fault Check-List

    “Troubleshooting”, please contact the plant technician/installer/or AIRMATIC. If technical support is required, in addition to the equipment data, the plant technician/fitter or AIRMATIC will also need information concerning the plant in which the equipment (machine) is installed, its installation and its working, for a better identification of the problem.
  • Page 45: Technical Data

    Ø A Ø C Ø D Ø F Ø I Ø O Ø P DIN 5482 Ø BORES Ø BORES VSS 150 164 213 310 130 22X19 M12 M10 VSS 200 213 267 365 160 22X19 M12 M10 VSS 250...
  • Page 46: Wear Parts And Spare Parts

    04.24 11.0 WEAR PARTS AND SPARE PARTS VAL.VSS.--.M.A.0424.EN Rev.: A Use only original spare parts. In order to identify the codes of spare and wear parts, refer to the drawings in the relative catalogue. Below is a list of the reference components.
  • Page 47: Aannexes

    04.24 A ANNEXES VAL.VSS.--.M.A.0424.EN Rev.: A A1 Nuts and bolts tightening torque Table Tightening Torque [Nm] Thread Diameter Resistance Class 8.8 Resistance Class 10.9 Resistance Class 12.9 13.0 16.0 23.0 32.0 39.0 46.0 64.0 77.0 80.0 110.0 135.0 125.0 180.0 215.0...

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