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Spirax Sarco AVM7, Installation And Maintenance Instructions Manual

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Spirax Sarco AVM7 Installation And Maintenance Instructions Manual Download Page 1

IM-P123-23 

CMGT Issue 6

1

1. Safety information

2. General product information

3. Installation

4. Commissioning

5. Operation

6. Maintenance

7. Spare parts

© Copyright 2019 

Printed in GB

1231850/7

AVM7

Stainless Steel Thermostatic Air Vent

Installation and Maintenance Instructions

IM-P123-23 

CMGT Issue 7

Summary of Contents for AVM7

Page 1: ...2 General product information 3 Installation 4 Commissioning 5 Operation 6 Maintenance 7 Spare parts Copyright 2019 Printed in GB 1231850 7 AVM7 Stainless Steel Thermostatic Air Vent Installation and Maintenance Instructions IM P123 23 CMGT Issue 7 ...

Page 2: ...IM P123 23 CMGT Issue 6 2 ...

Page 3: ...maximum operating limits of the product are lower than those of the system in which it is being fitted or if malfunction of the product could result in a dangerous overpressure or overtemperature occurrence ensure a safety device is included in the system to prevent such over limit situations iii Determine the correct installation situation and direction of fluid flow iv Spirax Sarco products are ...

Page 4: ...s are very corrosive and acidic so acid resistant gloves should be worn when handling and calcium oxide hydroxide can be used to neutralise it 1 9 Tools and consumables Before starting work ensure that you have suitable tools and or consumables available Use only genuine Spirax Sarco replacement parts 1 10 Protective clothing Consider whether you and or others in the vicinity require any protectiv...

Page 5: ...ctions this product is recyclable and no ecological hazard is anticipated with its disposal providing due care is taken except FKM Can be landfilled when in compliance with National and Local regulations waste code no 57502 rubber waste Germany Can be incinerated when in compliance with National and Local regulations Is insoluble in water Is soluble in aromatic hydrocarbons 1 16 Returning products...

Page 6: ...o 88 extracted at 121 C for 1 hour ADI Free Animal Derived Ingredients for materials used manufacturing processes involved in producing the part Certification This product is available with the following certification EN 10204 3 1 material certificates pressure containing parts EN 10204 3 1 material certificates wetted parts including element fill subject to additional cost Typical Internal surfac...

Page 7: ... 18 mm O D x 1 0 mm wall thickness tube butt weld DN15 D ISO 1127 Series 1 tube butt weld ends 13 5 mm O D x 1 6 mm wall thickness tube butt weld DN8 I 17 2 mm O D x 1 6 mm wall thickness tube butt weld DN10 I 21 3 mm O D x 1 6 mm wall thickness tube butt weld DN15 I Note On request other connection options are available at extra cost Please note that seat end spares for specially requested connec...

Page 8: ... to the internals may occur Body design conditions PMA Maximum allowable pressure 7 bar g 170 C 101 5 psi g 338 F TMA Maximum allowable temperature 170 C 7 bar g 338 F 101 5 psi g Minimum allowable temperature 10 C 14 F PMO Maximum operating pressure for saturated steam service 7 bar g 101 5 psi g TMO Maximum operating temperature 170 C 338 F Minimum operating temperature 0 C 32 F Designed for a m...

Page 9: ...allation in vertical lines with the flow upwards to ensure self draining operation Do not expose the element to superheat conditions since over expansion may result Suitable isolation valves must be installed to allow for safe maintenance replacement Open isolation valves slowly until normal operating conditions are achieved Check for leaks 3 5 If the trap is to be subjected to a hydraulic test at...

Page 10: ...ine and any pressure allowed to safely normalise to atmosphere The product should then be allowed to cool When reassembling ensure that all joint faces are clean Always ensure the correct tools safety procedures and protective equipment are used at all times 6 2 How to fit new internals Remove nuts and bolts The end connection with internal seat gasket and capsule assembly can then be removed for ...

Page 11: ... assembly 2 O ring packet of 3 3 How to order spares Always order spares by using the description given in the column headed Available spares and state the size type and end connection of the unit Example 1 Element assembly for a Spirax Sarco AVM7 stainless steel thermostatic air vent having screwed NPT connections 3 O ring 2 5 5 Fig 2 7 Spare parts ...

Page 12: ...IM P123 23 CMGT Issue 6 12 ...

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