background image

IM-P149-06 

CMGT Issue 8

5

2.1 Description

AE14

The AE14 is a range of float type air vents for liquid systems. The body and cover are 

manufactured in SG iron and the complete unit is readily maintainable. The standard version 

with a viton valve cone is designated  AE14. This model is also available with an inbuilt stop 

valve fitted to the inlet port designated AE14SV and AE14ESV.

AE14E

The AE14E is a Water Research Centre (WRc) approved version with an EPDM valve cone. This 

model is also available with an inbuilt stop valve fitted to the inlet port designated the AE14ESV.

AE14S

The AE14S is a stainless steel valve cone version.

Available types
AE14

Fitted with a viton valve head (standard version)

AE14E

Fitted with an EPDM valve head

AE14S

Fitted with a stainless steel valve head

AE14SV

Fitted with a viton valve head and stop valve

AE14ESV

Fitted with an EPDM valve head and stop valve

Standards

These products fully comply with the requirements of the Pressure Equipment Directive (PED) and carry 

the 

 mark when so required.

Certification

The product is available with material certification to EN 10204 2.2.

Note: 

All certification/inspection requirements must be stated at the time of order placement.

Fig. 1 AE14SV and AE14ESV

2. General product information

Summary of Contents for AE14

Page 1: ...General product information 3 Installation 4 Commissioning 5 Operation 6 Maintenance 7 Spare parts Copyright 2018 Printed in GB 1490050 8 AE14 Automatic Air Vents for Liquid Systems Installation and...

Page 2: ...quipment Directive ii Check material suitability pressure and temperature and their maximum and minimum values If the maximum operating limits of the product are lower than those of the system in whic...

Page 3: ...s the acid will cause deep skin burns and damage the respiratory system 1 9 Tools and consumables Before starting work ensure that you have suitable tools and or consumables available Use only genuine...

Page 4: ...al Unless otherwise stated in the Installation and Maintenance Instructions this product is recyclable and no ecological hazard is anticipated with its disposal providing due care is taken except Vito...

Page 5: ...ed to the inlet port designated the AE14ESV AE14S The AE14S is a stainless steel valve cone version Available types AE14 Fitted with a viton valve head standard version AE14E Fitted with an EPDM valve...

Page 6: ...re that a safety device is included in the system to prevent overpressurisation 3 2 Determine the correct installation situation and the direction of fluid flow 3 3 Remove protective covers from all c...

Page 7: ...arning The cover gasket and the main valve assembly gasket contains a thin stainless steel support ring which may cause physical injury if not handled and disposed of carefully 6 1 General Information...

Page 8: ...emove pivot frame 10 Unscrew main valve seat 5 and gasket 6 Replace with new and tighten main valve seat 5 to recommended torque see Table 1 Re assemble the float and lever 8 Check operation by raisin...

Page 9: ...3 15 16 12 Table 1 Recommended tightening torques Item Part or mm N m lbf ft 2 Cover bolts 17 A F M10 x 30 47 50 35 37 5 Main valve seat 17 A F 50 55 33 40 7 Main valve assembly screws Pozidrive M4 x...

Page 10: ...ed for the AE14S Seal kit 3 5 EPDM 14 15 2 off 16 Valve head not available for the AE14S packet of 3 9 Note 1 off EPDM and Viton valve head is supplied to fit as required How to order spares Always or...

Page 11: ...IM P149 06 CMGT Issue 8 11...

Page 12: ...IM P149 06 CMGT Issue 8 12...

Reviews: