Air Pressure Control Valves and Stabilisers

type WAercon  Type  W

Premium range Air Pressure Control Valves for the control of room pressure in Pharmaceutical and electronics manufacture, specialist laboratories.

Range of units for 50mm, 100mm and 175mm thick walls.

Wall Sleeve allows withdrawal of valve for maintenance and cleaning without the need for tools.

Choice of heavy duty white Polyester coated carbon steel body for excellent chemical resistance and ease of cleaning or Grades 304 or 316 Stainless steel body

Blades and internal parts : Grade 304 or Grade 316 Stainless steel.

Blades pivoted on sealed for life bearings.

Pressure ranges : 5 - 35 Pa or 30 - 50 Pa.

Ease of site adjustment of pressure setting.

Fire and combined fire/smoke rated units available.

Selection procedure

Type W valves are manufactured in five sizes, 50W and 50WL for 50mm thick walls, 100W and 100WL for 100mm thick walls and 200W for 175mm thick and greater walls.

Use Telescopic sleeves for intermediate thicknesses.

Type W selection chart

Establish the valve suitable for your wall thickness, operating pressure and airflow and select from the chart below.

Airflow in m3/s against differential pressure in Pa
Pa 50W 50WL 100W 100WL 200W
5 0.025 0.036 0.042 0.082 0.106
8 0.032 0.046 0.053 0.100 0.131
10 0.035 0.050 0.059 0.110 0.149
11 0.037 0.053 0.062 0.118 0.156
14 0.042 0.060 0.071 0.137 0.177
15 0.043 0.062 0.073 0.141 0.183
20 0.050 0.071 0.084 0.178 0.211
22 0.053 0.076 0.089 0.183 0.221
25 0.056 0.080 0.094 0.190 0.236
30 0.062 0.088 0.103 0.212 0.259
32 - - 0.106 0.216 0.264
35 - - 0.112 0.222 0.285
40 - - 0.121 0.228 0.311
45 - - 0.131 0.237 0.335
50 - - 0.140 0.251 0.357
type w valve
Dimensions - Valves and Wall Sleeves
Valve A B C D E F G Aperture
5 50 150 389 384 144 52 119 365w x 125h
8 50 150 528 523 144 52 119 504w x 125h
10 100 190 393 384 181 105 157 365w x 162h
11 100 190 638 629 181 105 157 610w x 162h
14 170 300 505 495 292 175 258 467w x 264h

Multiple units of Wall Sleeves are available - Please request drawing.

Telescopic Wall Sleeves

Dimensions - Telescopic Wall Sleeves
Valve A B C D X Aperture
50W 144 153 384 393 52 385 w x 134 h
50WL 144 153 523 532 52 523 w x 135 h
100W 181 190 384 393 105 384 w x 171 h
100WL 181 190 629 638 105 629 w x 171 h
200W 292 302 495 505 175 487 w x 274 h

Type W Fire rated air Pressure control valves

type w fire rated stabilisers

Fire Rated air pressure control valve dimensions

Type W Fire rated dimensions
Carbon steel body Stainless steel body
Valve A B C Aperture Valve A B C Aperture
100W 425 268 222 437x 234 100W 450 295 220 462 x 232
100WL 670 268 222 682 x 234 100WL 668 295 220 680 x 232
200W 510 340 305 522 x 317 200W 600 340 340 615 x 355

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