These blower check valves stop flow reversal in air and gas applications for pneumatic and bulk material handling industries. Designed for installation between two flanges in either vertical or horizontal piping systems.
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Minimum Pressure Drop – Maximum flow due to the low profile, aerodynamic disc design;
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Stem Bushings – Teflon for an extended service life; rated to +500°F;
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Aluminum Body and Disc – Lightweight for easy installation. High strength aluminum alloy for strength and extended service life;
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Simple Design – Only one moving part ensures long, trouble-free service;
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Teflon Seal – Seal and stem bushings are standard with Teflon for a long service life;
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One Piece thru Stem – Stainless steel for strength and durability;
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Low Maintenance Cost – Seat is easily replaced;
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Wafer Design – Fits between 150# flanges. Minimal space required for lightweight piping applications.
| Nominal Size | Diameter | Thickness |
| 3″ | 5.375″ | 0.625″ |
| 4″ | 6.875″ | 0.625″ |
| 5″ | 7.75″ | 0.625″ |
| 6″ | 8.75″ | 0.625″ |





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