ALUMINUM VENTILATION VALVES PER NSSC DWG #804-1749102 REV.B

15PSI WORK/30PSI TEST
 

FIG	TRIM	SIZE	BODY	DISC	STEM	SEAT
640	359	2.5”-30” R2.5-R30	ALUMINUM	ALUMINUM EPOXY CTD	18-8 SS	NEOPRENE

 

NOTE:  R30 SIZE VALVE IS 15 PSI WORKING/15 PSI TEST ONLY

 

 

DIMENSIONAL DRAWING (2.5 to 12 in.)

DIMENSIONAL DRAWING (14 to 30 in.)

 

 

 

 

ALUMINUM VENTILATION VALVES PER NSSC DWG #805-1749103 REV.B

15PSI WORK/30PSI TEST
 

FIG	TRIM	SIZE	BODY	DISC	STEM	SEAT
660	359	7” x 3” (K31) 30” x 20” (K41)	ALUM	ALUMINUM EPOXY CTD	18-8 SS	NEOPRENE