Wafer Butterfly Valves – Selas Models WBV-MANUAL, WBV-CMAP, WBV-CPAP
High capacity air flow in low pressure lines (up to 50 psig) is easily controlled with the Selas Wafer Butterfly valve (Product No. 1351, 1352, 1353).
The Selas Wafer Butterfly valve units are designed to mount between ANSI 125# flanges. Valve ports are precision bored to full pipe area. Pressure drop across valve is equivalent to 1-1/2 lineal feet of pipe.
Features and Benefits
- Manual dial pointer indicates valve position.
- Slight turn of knurled handle locks valve in any position.
- Wafer fits between standard 125# ANSI flanges.
- Flange bolts fit wafer to center valve and disc.
- Adjustable minimum stop permits repeatable low fire setting.
- Free swinging discs machined for maximum closures.
- Discs ribbed for maximum strength.
- Oiltite shaft bearings assure low friction alignment.
- Grease fittings installed for lubrication when required.
- Rugged cast iron bodies and discs.
- Easily converted to motorized operation on the job.
- 400°F and 1200°F service.