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

Stock	Description	Catalog Pg.	Price
Item 98170	1/2" FNPT PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 333.7/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	333.7/Each Drop Ship
Item 98171	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 427.46/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	427.46/Each Drop Ship
Item 98172	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 462.95/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	462.95/Each Drop Ship
Item 98173	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 578/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	578/Each Drop Ship
Item 98174	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 606.39/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	606.39/Each Drop Ship
Item 98175	1" FNPT PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 705.81/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	705.81/Each Drop Ship
Item 98176	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 744.16/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	744.16/Each Drop Ship
Item 98177	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 864.87/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	864.87/Each Drop Ship
Item 98178	1/2" Socket PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 454.83/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	454.83/Each Drop Ship
Item 98179	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 493.17/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	493.17/Each Drop Ship
Item 98180	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 528.71/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	528.71/Each Drop Ship
Item 98181	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 641.3/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	641.3/Each Drop Ship
Item 98182	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 669.69/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	669.69/Each Drop Ship
Item 98183	1" Socket PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 788.4/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	788.4/Each Drop Ship
Item 98184	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 826.75/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	826.75/Each Drop Ship
Item 98185	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with EPDM Bladder 947.5/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	947.5/Each Drop Ship
Item 98186	1/2" FNPT PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 474.33/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	474.33/Each Drop Ship
Item 98187	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 507.01/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	507.01/Each Drop Ship
Item 98188	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 538.22/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	538.22/Each Drop Ship
Item 98189	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 671.75/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	671.75/Each Drop Ship
Item 98190	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 678.8/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	678.8/Each Drop Ship
Item 98191	1" FNPT PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 938.71/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	938.71/Each Drop Ship
Item 98192	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 978.49/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	978.49/Each Drop Ship
Item 98193	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1190.05/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1190.05/Each Drop Ship
Item 98194	1/2" Socket PVC/Noryl® 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 544.33/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	544.33/Each Drop Ship
Item 98195	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 576.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	576.97/Each Drop Ship
Item 98196	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 608.22/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	608.22/Each Drop Ship
Item 98197	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 745/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	745/Each Drop Ship
Item 98198	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 752.06/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	752.06/Each Drop Ship
Item 98199	1" Socket PVC/Noryl® 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1021.3/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1021.3/Each Drop Ship
Item 98200	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1061.08/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1061.08/Each Drop Ship
Item 98201	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1272.68/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1272.68/Each Drop Ship
Item 98202	1/2" FNPT PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 796.7/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	796.7/Each Drop Ship
Item 98203	1/2" FNPT PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 815.18/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	815.18/Each Drop Ship
Item 98204	3/4" FNPT PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1377.5/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1377.5/Each Drop Ship
Item 98205	3/4" FNPT PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1388.84/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1388.84/Each Drop Ship
Item 98206	1" FNPT PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2022.28/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2022.28/Each Drop Ship
Item 98207	1" FNPT PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2057.77/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2057.77/Each Drop Ship
Item 98208	1/2" Socket PVC/Noryl® 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 890.81/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	890.81/Each Drop Ship
Item 98209	1/2" Socket PVC/Noryl® 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 905/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	905/Each Drop Ship
Item 98210	3/4" Socket PVC/Noryl® 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1462.15/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1462.15/Each Drop Ship
Item 98211	3/4" Socket PVC/Noryl® 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1474.92/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1474.92/Each Drop Ship
Item 98212	1" Socket PVC/Noryl® 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2231.25/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2231.25/Each Drop Ship
Item 98213	1" Socket PVC/Noryl® 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2290.94/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2290.94/Each Drop Ship
Item 98214	1/2" FNPT PVDF 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1300.85/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1300.85/Each Drop Ship
Item 98215	1/2" FNPT PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1442.86/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1442.86/Each Drop Ship
Item 98216	1/2" FNPT PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1572.24/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1572.24/Each Drop Ship
Item 98217	3/4" FNPT PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1606.79/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1606.79/Each Drop Ship
Item 98218	3/4" FNPT PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1750.41/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1750.41/Each Drop Ship
Item 98219	1" FNPT PVDF 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 1869.69/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1869.69/Each Drop Ship
Item 98220	1" FNPT PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 3094.29/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	3094.29/Each Drop Ship
Item 98221	1" FNPT PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 4036.43/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	4036.43/Each Drop Ship
Item 98222	1/2" Socket PVDF 6 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2240.94/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2240.94/Each Drop Ship
Item 98223	1/2" Socket PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2380.14/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2380.14/Each Drop Ship
Item 98224	1/2" Socket PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2479.29/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2479.29/Each Drop Ship
Item 98225	3/4" Socket PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2290.9/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2290.9/Each Drop Ship
Item 98226	3/4" Socket PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 2436.92/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2436.92/Each Drop Ship
Item 98227	1" Socket PVDF 36 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 3478.93/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	3478.93/Each Drop Ship
Item 98228	1" Socket PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 3897.68/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	3897.68/Each Drop Ship
Item 98229	1" Socket PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with FKM Bladder 4842.24/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	4842.24/Each Drop Ship
Item 98230	1/2" FNPT PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1743.89/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1743.89/Each Drop Ship
Item 98231	1/2" FNPT PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 1731.66/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	1731.66/Each Drop Ship
Item 98232	3/4" FNPT PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2897.06/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2897.06/Each Drop Ship
Item 98233	3/4" FNPT PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 3011.48/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	3011.48/Each Drop Ship
Item 98234	1" FNPT PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 4004.78/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	4004.78/Each Drop Ship
Item 98235	1" FNPT PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 4272.55/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	4272.55/Each Drop Ship
Item 98236	1/2" Socket PVDF 10 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2544.83/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2544.83/Each Drop Ship
Item 98237	1/2" Socket PVDF 15 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 2506.75/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	2506.75/Each Drop Ship
Item 98238	3/4" Socket PVDF 29 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 3661.52/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	3661.52/Each Drop Ship
Item 98239	3/4" Socket PVDF 42 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 3766.17/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	3766.17/Each Drop Ship
Item 98240	1" Socket PVDF 80 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 4934.74/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	4934.74/Each Drop Ship
Item 98241	1" Socket PVDF 125 cu. in. Hayward® HPD Pulsation Dampener with PTFE Bladder 5202.5/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-511	5202.5/Each Drop Ship