Hayward® Diaphragm Valves

Diaphragm valves are engineered to provide superior handling of difficult media such as corrosive fluids, abrasives and slurries. They can also be used for high purity and sanitary applications. The valve controls flow by varying the space between a stationary weir and a moveable flexible diaphragm. By compressing the diaphragm against the weir, all flow is shut off. Additional diaphragms and materials available, contact us for quote.

CPVC or polypropylene
PTFE or FPM diaphragm
Wetted components are the lower half of the valve body & the diaphragm
Large, sure-grip handwheel makes it easy to open or close the valve
Beacon-type indicator provides highly visible position indication
Stroke adjustment allows precise "tweaking" of diaphragm movement for very precise flow control
Pressure rating: 150 psi @ 70°F, non-shock
Temperature rating: 190°F (CPVC) & 200°F (PP)

Stock	Description	Catalog Pg.	Price
19538	1/2" CPVC Hayward® DAB Series True Union Diaphragm Valve w/FPM Diaphragm $291.27/Each Save 5%2+$276.70/Each Save 10%4+$262.14/Each Save 15%12+$247.58/Each	Internet Only	$291.27/Each Drop Ship
19540	3/4" CPVC Hayward® DAB Series True Union Diaphragm Valve w/FPM Diaphragm $314.11/Each Save 5%2+$298.40/Each Save 10%4+$282.69/Each Save 15%12+$266.99/Each	Internet Only	$314.11/Each Drop Ship
19543	1" CPVC Hayward® DAB Series True Union Diaphragm Valve w/FPM Diaphragm $386.97/Each Save 5%2+$367.62/Each Save 10%4+$348.27/Each Save 15%12+$328.92/Each	Internet Only	$386.97/Each Drop Ship
19545	1-1/4" CPVC Hayward® DAB Series True Union Diaphragm Valve w/FPM Diaphragm $559.83/Each Save 5%2+$531.83/Each Save 10%4+$503.84/Each Save 15%12+$475.85/Each	Internet Only	$559.83/Each Drop Ship
19546	1-1/2" CPVC Hayward® DAB Series True Union Diaphragm Valve w/FPM Diaphragm $559.83/Each Save 5%2+$531.83/Each Save 10%4+$503.84/Each Save 15%12+$475.85/Each	Internet Only	$559.83/Each Drop Ship
19547	2" CPVC Hayward® DAB Series True Union Diaphragm Valve w/FPM Diaphragm $608.07/Each Save 5%2+$577.66/Each Save 10%4+$547.26/Each Save 15%12+$516.86/Each	Internet Only	$608.07/Each Drop Ship
19549	1/2" CPVC Hayward® DAB Series True Union Diaphragm Valve w/PTFE Diaphragm $331.05/Each Save 5%2+$314.49/Each Save 10%4+$297.94/Each Save 15%12+$281.39/Each	Internet Only	$331.05/Each Drop Ship
19550	3/4" CPVC Hayward® DAB Series True Union Diaphragm Valve w/PTFE Diaphragm $352.17/Each Save 5%2+$334.56/Each Save 10%4+$316.95/Each Save 15%12+$299.34/Each	Internet Only	$352.17/Each Drop Ship
19553	1" CPVC Hayward® DAB Series True Union Diaphragm Valve w/PTFE Diaphragm $421.89/Each Save 5%2+$400.79/Each Save 10%4+$379.70/Each Save 15%12+$358.60/Each	Internet Only	$421.89/Each Drop Ship
19554	1-1/4" CPVC Hayward® DAB Series True Union Diaphragm Valve w/PTFE Diaphragm $664.37/Each Save 5%2+$631.15/Each Save 10%4+$597.93/Each Save 15%12+$564.71/Each	Internet Only	$664.37/Each Drop Ship
19555	1-1/2" CPVC Hayward® DAB Series True Union Diaphragm Valve w/PTFE Diaphragm $670.24/Each Save 5%2+$636.72/Each Save 10%4+$603.21/Each Save 15%12+$569.70/Each	Internet Only	$670.24/Each Drop Ship
19556	2" CPVC Hayward® DAB Series True Union Diaphragm Valve w/PTFE Diaphragm $695.83/Each Save 5%2+$661.03/Each Save 10%4+$626.24/Each Save 15%12+$591.45/Each	Internet Only	$695.83/Each Drop Ship
19571	1/2" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $285.40/Each Save 5%2+$271.13/Each Save 10%4+$256.86/Each Save 15%12+$242.59/Each	Internet Only	$285.40/Each Drop Ship
19572	3/4" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $319.54/Each Save 5%2+$303.56/Each Save 10%4+$287.58/Each Save 15%12+$271.60/Each	Internet Only	$319.54/Each Drop Ship
19573	1" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $399.33/Each Save 5%2+$379.36/Each Save 10%4+$359.39/Each Save 15%12+$339.43/Each	Internet Only	$399.33/Each Drop Ship
19574	1-1/4" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $616.49/Each Save 5%2+$585.66/Each Save 10%4+$554.84/Each Save 15%12+$524.01/Each	Internet Only	$616.49/Each Drop Ship
19575	1-1/2" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $616.49/Each Save 5%2+$585.66/Each Save 10%4+$554.84/Each Save 15%12+$524.01/Each	Internet Only	$616.49/Each Drop Ship
19577	2" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $717.91/Each Save 5%2+$682.01/Each Save 10%4+$646.11/Each Save 15%12+$610.22/Each	Internet Only	$717.91/Each Drop Ship
19578	2-1/2" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $1,046.50/Each Save 5%2+$994.17/Each Save 10%4+$941.85/Each Save 15%12+$889.52/Each	Internet Only	$1,046.50/Each Drop Ship
19579	3" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $2,544.51/Each Save 5%2+$2417.28/Each Save 10%4+$2290.05/Each Save 15%12+$2162.83/Each	Internet Only	$2,544.51/Each Drop Ship
19580	4" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/FPM Diaphragm $2,155.67/Each Save 5%2+$2047.88/Each Save 10%4+$1940.10/Each Save 15%12+$1832.32/Each	Internet Only	$2,155.67/Each Drop Ship
19581	1/2" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $349.54/Each Save 5%2+$332.06/Each Save 10%4+$314.58/Each Save 15%12+$297.10/Each	Internet Only	$349.54/Each Drop Ship
19582	3/4" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $386.97/Each Save 5%2+$367.62/Each Save 10%4+$348.27/Each Save 15%12+$328.92/Each	Internet Only	$386.97/Each Drop Ship
19583	1" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $484.75/Each Save 5%2+$460.51/Each Save 10%4+$436.27/Each Save 15%12+$412.03/Each	Internet Only	$484.75/Each Drop Ship
19584	1-1/4" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $610.41/Each Save 5%2+$579.89/Each Save 10%4+$549.36/Each Save 15%12+$518.84/Each	Internet Only	$610.41/Each Drop Ship
19585	1-1/2" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $717.60/Each Save 5%2+$681.72/Each Save 10%4+$645.84/Each Save 15%12+$609.96/Each	Internet Only	$717.60/Each Drop Ship
19586	2" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $812.64/Each Save 5%2+$772.00/Each Save 10%4+$731.37/Each Save 15%12+$690.74/Each	Internet Only	$812.64/Each Drop Ship
19587	2-1/2" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $1,479.95/Each Save 5%2+$1405.95/Each Save 10%4+$1331.95/Each Save 15%12+$1257.95/Each	Internet Only	$1,479.95/Each Drop Ship
19588	3" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $1,810.68/Each Save 5%2+$1720.14/Each Save 10%4+$1629.61/Each Save 15%12+$1539.07/Each	Internet Only	$1,810.68/Each Drop Ship
19589	4" CPVC Hayward® DAB Series Flanged Diaphragm Valve w/PTFE Diaphragm $2,566.27/Each Save 5%2+$2437.95/Each Save 10%4+$2309.64/Each Save 15%12+$2181.33/Each	Internet Only	$2,566.27/Each Drop Ship

Other Diaphragm Valves

GF Type 514 High Flow Diaphragm Valve

Shop Now

Hayward® PBV Series Diaphragm Back Pressure Valves

Shop Now

Hayward® RPV Series Diaphragm Pressure Relief Valves

Shop Now

Plast-O-Matic CKD Compact Diaphragm Check Valves

Shop Now

Plast-O-Matic CKM Diaphragm Check Valves

Shop Now

Plast-O-Matic CKS Diaphragm Check Valves

Shop Now

Plast-O-Matic VBM & VBS Diaphragm Vacuum Breakers

Shop Now

PP-Pure® T-342 Series High Purity Diaphragm Valves

Shop Now

PP-Pure® T-343 Series High Purity Zero-Deadleg Diaphragm Valves

Shop Now

Praher T4 Series Diaphragm Valves

Shop Now

Spartan Scientific™ Series 3685 Anti-Water Hammer 2-Way, 2-Position Solenoid Valves

Shop Now