Hayward® HPD Pulsation Dampeners

The HPD Series features all thermoplastic construction with multiple bladder material options and is designed and built to extend the useful life of critical components, including pumps, flowmeters, and sensors, by lessening the effects of pressure surges. The HPD Series reduces adverse shock created by a pump action in a chemical feed system, which results in an even, laminar flow and continuous dosage.

PVC or PVDF lower housing
PVC has a non-wetted Noryl® upper housing; PVDF has a non-wetted PVDF upper housing
EPDM, FKM, or PTFE bladder/seal
316 stainless steel charging tee & pressure gauge
Corrosion-resistant construction
Reduces damaging shock from pumps to critical components
Delivers an even, laminar flow & continuous chemical dosage
Made in the USA
Pressure rating: 150 psi @ 70°F non-shock
Other materials available by special order; contact us for a quote

Item #	Description	Catalog Pg.	Price
Item 98170	1/2" FNPT PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 355.84/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	355.84/Each Drop Ship
Item 98171	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 457/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	457/Each Drop Ship
Item 98172	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 494.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	494.97/Each Drop Ship
Item 98173	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 617.94/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	617.94/Each Drop Ship
Item 98174	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 648.29/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	648.29/Each Drop Ship
Item 98175	1" FNPT PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 754.6/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	754.6/Each Drop Ship
Item 98176	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 795.57/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	795.57/Each Drop Ship
Item 98177	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 924.64/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	924.64/Each Drop Ship
Item 98178	1/2" Socket PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 486.24/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	486.24/Each Drop Ship
Item 98179	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 527.26/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	527.26/Each Drop Ship
Item 98180	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 565.25/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	565.25/Each Drop Ship
Item 98181	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 685.62/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	685.62/Each Drop Ship
Item 98182	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 715.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	715.97/Each Drop Ship
Item 98183	1" Socket PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 842.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	842.88/Each Drop Ship
Item 98184	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 883.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	883.88/Each Drop Ship
Item 98185	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 1012.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1012.97/Each Drop Ship
Item 98186	1/2" FNPT PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 507.12/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	507.12/Each Drop Ship
Item 98187	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 542.06/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	542.06/Each Drop Ship
Item 98188	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 575.42/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	575.42/Each Drop Ship
Item 98189	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 718.17/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	718.17/Each Drop Ship
Item 98190	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 725.71/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	725.71/Each Drop Ship
Item 98191	1" FNPT PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1003.58/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1003.58/Each Drop Ship
Item 98192	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1046.09/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1046.09/Each Drop Ship
Item 98193	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1272.28/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1272.28/Each Drop Ship
Item 98194	1/2" Socket PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 581.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	581.97/Each Drop Ship
Item 98195	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 616.83/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	616.83/Each Drop Ship
Item 98196	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 650.24/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	650.24/Each Drop Ship
Item 98197	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 796.48/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	796.48/Each Drop Ship
Item 98198	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 804.02/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	804.02/Each Drop Ship
Item 98199	1" Socket PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1091.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1091.88/Each Drop Ship
Item 98200	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1134.39/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1134.39/Each Drop Ship
Item 98201	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1360.61/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1360.61/Each Drop Ship
Item 98202	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 851.75/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	851.75/Each Drop Ship
Item 98203	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 871.51/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	871.51/Each Drop Ship
Item 98204	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1472.69/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1472.69/Each Drop Ship
Item 98205	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1484.82/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1484.82/Each Drop Ship
Item 98206	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2162.01/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2162.01/Each Drop Ship
Item 98207	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2199.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2199.97/Each Drop Ship
Item 98208	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 952.37/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	952.37/Each Drop Ship
Item 98209	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 967.55/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	967.55/Each Drop Ship
Item 98210	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1563.19/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1563.19/Each Drop Ship
Item 98211	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1576.82/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1576.82/Each Drop Ship
Item 98212	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2385.42/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2385.42/Each Drop Ship
Item 98213	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2449.24/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2449.24/Each Drop Ship
Item 98214	1/2" FNPT PVDF 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1390.74/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1390.74/Each Drop Ship
Item 98215	1/2" FNPT PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1542.55/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1542.55/Each Drop Ship
Item 98216	1/2" FNPT PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1680.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1680.88/Each Drop Ship
Item 98217	3/4" FNPT PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1717.82/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1717.82/Each Drop Ship
Item 98218	3/4" FNPT PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1871.35/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1871.35/Each Drop Ship
Item 98219	1" FNPT PVDF 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1998.88/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1998.88/Each Drop Ship
Item 98220	1" FNPT PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 3308.09/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	3308.09/Each Drop Ship
Item 98221	1" FNPT PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 4315.33/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	4315.33/Each Drop Ship
Item 98222	1/2" Socket PVDF 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2395.79/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2395.79/Each Drop Ship
Item 98223	1/2" Socket PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2544.6/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2544.6/Each Drop Ship
Item 98224	1/2" Socket PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2650.6/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2650.6/Each Drop Ship
Item 98225	3/4" Socket PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2449.19/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2449.19/Each Drop Ship
Item 98226	3/4" Socket PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2605.3/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2605.3/Each Drop Ship
Item 98227	1" Socket PVDF 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 3719.3/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	3719.3/Each Drop Ship
Item 98228	1" Socket PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 4166.98/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	4166.98/Each Drop Ship
Item 98229	1" Socket PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 5176.79/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	5176.79/Each Drop Ship
Item 98230	1/2" FNPT PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1864.38/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1864.38/Each Drop Ship
Item 98231	1/2" FNPT PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1851.31/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	1851.31/Each Drop Ship
Item 98232	3/4" FNPT PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 3097.24/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	3097.24/Each Drop Ship
Item 98233	3/4" FNPT PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 3219.55/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	3219.55/Each Drop Ship
Item 98234	1" FNPT PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 4281.48/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	4281.48/Each Drop Ship
Item 98235	1" FNPT PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 4567.75/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	4567.75/Each Drop Ship
Item 98236	1/2" Socket PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2720.64/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2720.64/Each Drop Ship
Item 98237	1/2" Socket PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2679.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	2679.97/Each Drop Ship
Item 98238	3/4" Socket PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 3914.51/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	3914.51/Each Drop Ship
Item 98239	3/4" Socket PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 4026.37/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	4026.37/Each Drop Ship
Item 98240	1" Socket PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 5275.69/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	5275.69/Each Drop Ship
Item 98241	1" Socket PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 5561.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-540	5561.97/Each Drop Ship