t th eu se of t his pro du ct t o below the conditions quoted.
© Copyright 2013
Local regulations may restric
In the interests of development and improvement of the product, we reserve the right to change the specification without notice.
AB Issue 2
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
Applications
vent pipe.
Body
Austenitic stainless steel 304L
Flanges
Carbon steel, black electrophoretic coating
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
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.
Example: 1 off Spirax Sarco DN100 VHT4 vent head having a
flanged EN 1092 PN16 inlet connection.
A
A
Installation note:
B
Disposal:
B
C