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WBV-H Wafer Butterfly Valves - Hot Air

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Hauck Wafer Butterfly Valves are used to trim or control ambient or preheated air. The valve can be ordered with a hand lever or can be supplied with a lever and linkage for automatic control. When sizing wafer butterfly valves for automatic control, normal practice is to size for a valve differential pressure (Δp) of 10-20% of total available air pressure. When ordering, specify temperature service desired: ambient air to 400°F, or preheated air to1200°F.

Valves should be selected for maximum flow at no more than 70° open. Full ported wafer valves installed in lines of the same size offer increased flow for a fixed pressure drop up to 70° open. At greater openings, flow does not increase appreciably although pressure drop across the valve falls off rapidly. At 90° open, resistance is very low -pressure drop is practically zero.





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  Results 1 - 25 of 36 Unit of Measure: Imperial Metric Both 1 2 

Item #

Type

Pipe Size

Temperature

Weight

WBV-H 4060 400 Automatic 6 in 0 to 400 ºF 15 lb
WBV-H 4080 400 Automatic 8 in 0 to 400 ºF 20 lb
WBV-H 4100 400 Automatic 10 in 0 to 400 ºF 22 lb
WBV-H 4120 400 Automatic 12 in 0 to 400 ºF 35 lb
WBV-H 4140 400 Automatic 14 in 0 to 400 ºF 47 lb
WBV-H 4160 400 Automatic 16 in 0 to 400 ºF 62 lb
WBV-H 4180 400 Automatic 18 in 0 to 400 ºF 84 lb
WBV-H 4200 400 Automatic 20 in 0 to 400 ºF 115 lb
WBV-H 4220 400 Automatic 22 in 0 to 400 ºF 146 lb
WBV-H 1060 400 Automatic 6 in 0 to 400 ºF 15 lb
WBV-H 1080 400 Automatic 8 in 0 to 400 ºF 20 lb
WBV-H 1100 400 Automatic 10 in 0 to 400 ºF 22 lb
WBV-H 1120 400 Automatic 12 in 0 to 400 ºF 35 lb
WBV-H 1140 400 Automatic 14 in 0 to 400 ºF 47 lb
WBV-H 1160 400 Automatic 16 in 0 to 400 ºF 62 lb
WBV-H 1180 400 Automatic 18 in 0 to 400 ºF 84 lb
WBV-H 1200 400 Automatic 20 in 0 to 400 ºF 115 lb
WBV-H 1220 400 Automatic 22 in 0 to 400 ºF 146 lb
WBV-H 1060 1200 Manual 6 in 0 to 1200 ºF 15 lb
WBV-H 1080 1200 Manual 8 in 0 to 1200 ºF 20 lb
WBV-H 1100 1200 Manual 10 in 0 to 1200 ºF 22 lb
WBV-H 1120 1200 Manual 12 in 0 to 1200 ºF 35 lb
WBV-H 1140 1200 Manual 14 in 0 to 1200 ºF 47 lb
WBV-H 1160 1200 Manual 16 in 0 to 1200 ºF 62 lb
WBV-H 1180 1200 Manual 18 in 0 to 1200 ºF 84 lb
  Results 1 - 25 of 36 1 2