Pipeline ancillaries

Air vents and air eliminators

7.12.31

ISO 9001

A

B

C

D

Cert. No. LRQ 0963008

Description

4 14

TI-P149-14

ST Issue 1

AES14, AES14S and AES14E

Austenitic Stainless Steel

Automatic Air Vents for Liquid Systems

The AES14, AES14S and AES14E are austenitic stainless steel ball

float type air vents for liquid systems.

They are available with Viton, stainless steel and EPDM valve

cones respectively.

The connections are in the vertical plane for flow upwards.

Body and cover castings are produced by a TÜV approved supplier

in accordance with AD-Merkblatt WO/TRD100.

Available types

AES14 fitted with a viton valve cone.

AES14S fitted with a stainless steel valve cone.

AES14E fitted with an EPDM valve cone.

These products fully comply with the requirements of the European

Pressure Equipment directive 97 / 23 / EC and carry the

mark

when so required.

This product is available with certification to EN 10204 3.1.B.

Note: All certification/inspection requirements must be stated at

the time of order placement.

Sizes and pipe connections

Screwed BSP (BS 21 and DIN 2999)

or NPT (ANSI B 1.20.1).

Socket weld ends to ANSI B 16.11,

BS 3799 Class 3000 and DIN 3239.

2

1

7

12

6

5

15

3

Standards

Certification

8

10

1⁄2" and 3⁄4"

1⁄2" and 3⁄4"

Note: For alternative connections please consult Spirax Sarco.

Limiting conditions (ISO 6552)

Body design conditions

PMA - Maximum allowable pressure

TMA - Maximum allowable temperature

PMO - Maximum operating pressure

TMO - Maximum operating temperature

AES14

AES14S

AES14E

PN25

25 bar g

300°C

14 bar g

200°C

225°C

127°C

-20°C

Note: For lower operating temperatures consult Spirax Sarco.

Materials

No. Part

1 Body

2 Cover bolts

3 Cover gasket

4 Cover

Minimum operating temperature

Designed for a maximum cold hydraulic test pressure of 37.5 bar g

Material

Austenitic

stainless steel (316)

EN 10213-4 (1.4408)

ASTM A351 CF8M

Minimum specific gravity of liquid

0.75

25

BS EN 3506 A2-70

Operating range

Stainless steel

Reinforced exfoliated graphite

300

225

200

127

100

0

5 Main valve seat

Main valve

Austenitic

stainless steel (316)

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Viton

Stainless steel

EPDM

Stainless steel

Stainless steel

Stainless steel

EN 10213-4 (1.4408)

ASTM A351 CF8M

BS 970 431 S29

BS 1449 304 S16

AISI 440B

6

seat gasket

7

Main valve

0

5

10

*1415

Pressure bar g

20

8

Ball float

and lever

AES14

* 9 Valve cone AES14S

AES14E

assembly screws

The product must not be used in this region.

The Viton and EPDM soft seat versions should not be used

in this region or beyond their maximum operating temperature

as damage to the internals may occur.

10 Blanking plug

12 Pivot frame

14 Pivot pin

*PMO Maximum operating pressure 14 bar g.

A - D

B - D

C - D

AES14S

AES14

AES14E

*

15 'O' ring

Note: Item 9 is clearly identified overleaf.

Grey viton complies with FDA CFR

Title 21, Para 177, Section 2600

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification.

© Copyright 2003

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