Gefa Domino AT 100 Series Instructions For Use Manual Download Page 1

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\AT-Betriebsanleitung (GB) (GR) 16.06.2011

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Instructions for use
DOMINO valves
AT 100 / 150 / 200 / 300 / 400 / 600

Instructions for use

Transport, storage, recommendations for installation and instructions for initial operation of
DOMINO valves

Valves with compact transverse seal

Series AT 100 / 150 / 200 / 300 / 400 / 600

1. Transport

2. Storage

3. Installation

3.1 Safety

recommendations

3.2

Removal of additional corrosion preventative

3.3

Preservation of EKB (epoxy powder coating) and special painting

3.4

Protection of the valve

3.5

Place of installation

3.6

Position of installation

3.7

Direction of flow

4. Mounting

5. Initial

operation

5.1 General

measures

5.2

Shutting off powdery or granular media

5.3

Control pressure / use of control media

5.4 Pneumatically-operated

valves

5.5 Hydraulically-operated valves
5.6 Electrically-operated

valves

5.7 Bitumen

valves

Recommendations for the maintenance of DOMINO valves

6.1

Readjusting the seal

6.2 Minor

leaks

6.3

Lubrication of valves

6.4 Cleaning

7. Final

remarks

Summary of Contents for Domino AT 100 Series

Page 1: ...rosion preventative 3 3 Preservation of EKB epoxy powder coating and special painting 3 4 Protection of the valve 3 5 Place of installation 3 6 Position of installation 3 7 Direction of flow 4 Mounting 5 Initial operation 5 1 General measures 5 2 Shutting off powdery or granular media 5 3 Control pressure use of control media 5 4 Pneumatically operated valves 5 5 Hydraulically operated valves 5 6 ...

Page 2: ...urable corrosion preventative 2 3 The corrosion preventative applied at the factory must be checked for any damage in transit and suitably repaired if needed 2 4 For parts mounted on the valves such as electrical actuators limit switches valves etc the corresponding storage instructions of the relevant manufacturers shall have priority 3 Installation 3 1 Safety recommendations Operation of electri...

Page 3: ... those parts of the installation that will be in contact with the valve during subsequent operation of the installation must be removed carefully Sand blasting grit can destroy the valve plates and seals within a very short time 3 5 Place of installation The possible locations for installing the valve must be selected such that surfaces A and B are freely accessible for both sides to allow the sea...

Page 4: ...ps per 1000 litres of air will be sufficient Unless explicitly stated otherwise when ordering pneumatic control valves installed by us are supplied without accessories such as chokes or silencers The stipulations at the customer s site must be followed Pneumatically operated valves should not be closed suddenly as otherwise there is a risk of pressure shock i e water hammer 5 5 Hydraulically opera...

Page 5: ...carefully to prevent the seal from being destroyed in subsequent operation 6 Recommendations for the maintenance of DOMINO valves 6 1 Readjusting the seal During prolonged storage and in the event of larger temperature fluctuations the sealing material of the seal of the narrow face may shrink or else release air trapped in the seal and thus can cause minor leakages on the narrow face of the plate...

Page 6: ...ified by the customer the valves can be provided with flushing or blowing facilities in the upper part of the housing Depending on the medium to be shut off and with regard to the process in question the valve should be flushed or blown during opening and closing Depending on the application the valve plate and plate guides must also be cleaned If the valve is seldom operated and especially in the...

Page 7: ...ting tools scissors sanding disc o Suitable retaining fixtures e g metal clamps as a mounting aid for cross sealing and scraper 2 Spare parts 2 1 Only original spare parts may be used 2 2 For complete sealing replacement the following spare parts are required o Cross sealing compact cross sealing cross sealing with scraper or U profile PTFE with silicone base o Suitable grease e g Red Rubber o Rou...

Page 8: ... Red Rubber The narrower side must be pointing towards the gate If a U profile PTFE with silicone base is used proceed as shown below If a scraper is used in combination with the compact cross sealing proceed as shown on the right 4 2 Fix the sealing elements in place using a suitable retaining fixture e g metal clamps 5 Preparing the rear body part 5 1 Adapt and insert the cross sealing if approp...

Page 9: ...to the intended groove and grease using a suitable agent e g Red Rubber Push the gate forwards using a plastic hammer or similar The inserted round seal should now have 1 mm pre tension Correct pressing by backing the round seal if necessary 5 5 Fill the two indentations next to the gate at the level of the cross sealing profile using filling corner profiles cross sealing profile The length measur...

Page 10: ...fied torque Keep the prescribed order of tightening see diagram DN Screw Torque Nm 50 80 M8 17 100 250 M10 27 300 350 M12 39 400 800 M16 75 900 1000 M20 117 1200 M24 169 17 16 13 12 9 8 5 4 1 2 3 6 7 10 11 14 15 18 19 7 Packing Fill packing material 4mm B into the two packing holes M6 in the front body part using the packing tool C until the bore hole is filled Then screw in the screws A 8 Pressur...

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Gefa Domino AT 100 Series, Instructions For Use Manual

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Summary of Contents for Domino AT 100 Series

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