Standard Stainless Piston Intake w/ Relief Valve
Extension 10.5″ x W 8″ x H 17″
Wt. 27 lb.
Wt. 48 lb.
Traditional piston intake valve design used for pumper intake control. Provides the following features: a 30 degree integrated elbow, a field adjustable pressure relief valve and an air bleeder valve.
This is a stainless steel piston, sleeve and spindle for corrosion protection. Choose from a variety of sizes of Storz or NH connections.
Incorporated 250 PSI field adjustable pressure relief valve adjustable in increments of 25 degrees from 75- 250 PSI.
Friction loss at 1,000 GPM is 2.30 PSI

Warranty: All Harrington, Inc. products are warranted to be free of defects in material and workmanship for a period of one (1) year. H500S and H1000 have a five (5) year corrosion warranty.
Description
Part Number | Description | LIST | |
H500S-40-45NH | Piston intake valve 5” stainless steel 4” Storz-Lok inlet x 4.5” NH female swivel rocker lug outlet w/ 250-S RV | $2,481.00 | |
H500S-40-50NH | Piston intake valve 5” stainless steel 4” Storz-Lok inlet x 5” NH female swivel rocker lug outlet w/ 250-S RV | $2,422.00 | |
H500S-40-60NH | Piston intake valve 5” stainless steel 4” Storz-Lok inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,437.00 | |
H500S-40NHFS-60NH | Piston intake valve 5” stainless steel 4” NH Female Swivel inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,412.00 | |
H500S-40NHM-60NH | Piston intake valve 5” stainless steel 4” NH Male inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,328.00 | |
H500S-45-45NH (Storz 110) | Piston intake valve 5” stainless steel Storz 110 inlet x 4.5” NH female swivel short handle outlet w/ 250-S RV | $2,465.00 | |
H500S-45-50NH (Storz 110) | Piston intake valve 5” stainless steel Storz 110 inlet x 5” NH female swivel short handle outlet w/ 250-S RV | $2,405.00 | |
H500S-45-60NH (Storz 110) | Piston intake valve 5” stainless steel Storz 110 inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,419.00 | |
H500S-50-45NH | Piston intake valve 5” stainless steel 5” Storz-Lok inlet x 4.5” NH female swivel rocker lug outlet w/ 250-S RV | $2,402.00 | |
H500S-50-45NH/FTS | Piston intake valve 5” stainless steel 5” Storz-Lok full time swivel inlet x 4.5” NH female swivel rocker lug outlet w/ 250-S RV | $2,654.00 | |
H500S-50-50NH | Piston intake valve 5” stainless steel 5” Storz-Lok inlet x 5” NH female swivel rocker lug outlet w/ 250-S RV | $2,341.00 | |
H500S-50-50NH/FTS | Piston intake valve 5” stainless steel 5” Storz-Lok full time swivel inlet x 5” NH female swivel rocker lug outlet w/ 250-S RV | $2,596.00 | |
H500S-50-60NH | Piston intake valve 5” stainless steel 5” Storz-Lok inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,356.00 | |
H500S-50-60NH/FTS | Piston intake valve 5” stainless steel 5” Storz-Lok full time swivel inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,610.00 | |
H500S-50-60NPSH | Piston intake valve 5” stainless steel 5” Storz-Lok inlet x 6” NPSH rocker lug female swivel outlet w/ 250-S RV | $2,356.00 | |
H500S-50-60NPSH/FTS | Piston intake valve 5” stainless steel 5” Storz-Lok full time swivel inlet x 6” NPSH rocker lug female swivel outlet w/ 250-S RV | $2,610.00 | |
H500S-50NHFS-60NH | Piston intake valve 5” stainless steel 5” NH rocker lug female swivel inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,431.00 | |
H500S-50NHLH-60NH | Piston intake valve 5” stainless steel 5” NH long handle female swivel inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,431.00 | |
H500S-50NHM-60NH | Piston intake valve 5” stainless steel 5” NH male inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,287.00 | |
H500S-60-45NH | Piston intake valve 5” stainless steel 6” Storz-Lok inlet x 4.5” NH female swivel rocker lug outlet w/ 250-S RV | $2,570.00 | |
H500S-60-50NH | Piston intake valve 5” stainless steel 6” Storz-Lok inlet x 5” NH female swivel rocker lug outlet w/ 250-S RV | $2,509.00 | |
H500S-60-60NH | Piston intake valve 5” stainless steel 6” Storz-Lok inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,524.00 | |
H500S-60NHFS- 60NH | Piston intake valve 5” stainless steel 6” NH rocker lug female swivel inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,525.00 | |
H500S-60NHLH- 60NH | Piston intake valve 5” stainless steel 6” NH long handle female swivel inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,525.00 | |
H500S-60NHM-60NH | Piston intake valve 5” stainless steel 6” NH male inlet x 6” NH female swivel short handle outlet w/ 250-S RV | $2,302.00 | |
Available Storz Cap | |||
HBC-40 | 4″ Storz Blind Cap | $146.00 | |
HBC-50 | 5″ Storz Blind Cap | $169.00 | |
HBC-60 | 6″ Storz Blind Cap | $272.00 |
All intake valves are available with male or female swivel in place of Storz