Boiler house

V

t th eu se of t his pro du ct t o below the conditions quoted.

© Copyright 2013

e n t h e a d s

Local regulations may restric

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.

TI-P405-42

AB Issue 2

Dimensions / weights (approximate) in mm and kg

Description

Spirax Sarco VHT vent heads are designed for fitting to vertical

open ended steam vent pipes. The vent head will discharge dry

steam safely to atmosphere, avoiding the possibility of

discomfort or even injury to personnel and material damage

to buildings.

The vent head incorporates an internal baffle to separate

entrained water from the steam.

Principle features:

-

Efficient separation.

-

Stainless steel body for long maintenance free life.

-

A simple and effective vent head for general applications.

Vent heads are ideal for use on blowdown vessels, condensate

vessels, boiler feedtanks, hot water storage tanks etc.

Warning: Vent heads must not be used for safety valve outlets.

Vent heads are selected to be the same nominal size as the

VHT

Vent Heads

Applications

vent pipe.

Materials

Body

Austenitic stainless steel 304L

Flanges

Carbon steel, black electrophoretic coating

Sizes and pipe connections

Description Size

VHT2

DN50 2"

VHT3

DN80 3"

VHT4

DN100 4"

VHT6

DN150 6"

VHT8

DN200 8"

VHT10

DN250 10"

VHT12

DN300 12"

Inlet connection

Screwed BSP

Screwed NPT

Screwed BSP

Screwed NPT

Flanged EN 1092 PN16 or

Flanged EN 1092 PN16 or

Flanged EN 1092 PN16 or

Flanged EN 1092 PN16 or

Flanged EN 1092 PN16 or

Flanged EN 1092 PN16 or

ASME 150

ASME 150

ASME 150

ASME 150

ASME 150

ASME 150

A

203

203

203

203

203

304

403

403

503

503

B

137

137

145

145

173

237

302.5

314

372.5

343.5

C

Weight

-

2.08

-

2.08

-

2.70

-

2.70

192

3.65

224

6.31

280

10.76

334

12.28

406

19.17

483

22.29

Screwed

Flanged

Safety information, installation and maintenance

For full details see the Installation and Maintenance Instructions

supplied with the product.

Installation of the screwed and flanged vent heads is relatively

straight forward. The flanged vent heads have a lightweight flange

drilled to suit both the PN and ASME flange standards.

The product is recyclable. No ecological hazard is anticipated with

the disposal of this product providing due care is taken.

Spirax Sarco type VHT with austenitic stainless steel

construction and screwed / carbon steel flanges.

Vent heads shall incorporate an internal baffle and a screwed

drain outlet connection.

How to order

Example: 1 off Spirax Sarco DN100 VHT4 vent head having a

flanged EN 1092 PN16 inlet connection.

A

A

Installation note:

B

Disposal:

How to specify

B

C

2.10.2