Standard Stainless Piston Intake w/ Relief Valve
Extension 10.5″ x W 8″ x H 17″
Wt. 27 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

DOWNLOAD an Operating Manual with Safety Information
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 | Spec Sheet | LIST |
| H500S-40-45NH | 5" Piston Intake Valve 45° Elbow 4" Storz/Lok x 4.5" NH FS R/L Rlf Vlv S/S Internals | $4,019.00 | |
| H500S-40-50NH | 5" Piston Intake Valve 45° Elbow 4" Storz/Lok x 5" NH FS R/L Rlf Vlv S/S Internals | $3,963.00 | |
| H500S-40-60NH | 5" Piston Intake Valve 45° Elbow 4" Storz/Lok x 6" NH FS S/Handle Rlf Vlv S/S Internals | $3,969.00 | |
| H500S-40-60NH/Cap | 5" Piston Intake Valve 45° Elbow 4" Storz/Lok Cap/Cbl x 6" NH FS S/Handle Rlf Vlv S/S Internals | $4,191.00 | |
| H500S-40NHFS-60NH | 5" Piston Intake Valve 45° Elbow 4" NH FS x 6" NH FS S/Handle Rlf Vlv S/S Internals | $3,906.00 | |
| H500S-40NHM-60NH | 5" Piston Intake Valve 45° Elbow 4" NH Male x 6" NH FS S/Handle Rlf Vlv S/S Internals | $3,719.00 | |
| H500S-50-45NH | 5" Piston Intake Valve 45° Elbow 5" Storz/Lok x 4.5" NH FS R/L Rlf Vlv S/S Internals | $3,950.00 | |
| H500S-50-45NH/FTS | 5" Piston Intake Valve 45° Elbow 5" Storz/Lok (FTS) x 4.5" NH FS R/L Rlf Vlv S/S Internals | $4,450.00 | |
| H500S-50-50NH | 5" Piston Intake Valve 45° Elbow 5" Storz/Lok x 5" NH FS R/L Rlf Vlv S/S Internals | $3,894.00 | |
| H500S-50-50NH/FTS | 5" Piston Intake Valve 45° Elbow 5" Storz/Lok (FTS) x 5" NH FS R/L Rlf Vlv S/S Internals | $4,395.00 | |
| H500S-50-60NH | 5" Piston Intake Valve 45° Elbow 5" Storz/Lok x 6" NH FS S/Handle Rlf Vlv S/S Internals | DOWNLOAD | $3,900.00 |
| H500S-50-60NH/Cap | 5" Piston Intake Valve 45° Elbow 5" Storz/Lok Cap/Cbl x 6" NH FS S/Handle Rlf Vlv S/S Internals | DOWNLOAD | $4,200.00 |
| H500S-50-60NH/FTS | 5" Piston Intake Valve 45° Elbow 5" Storz/Lok (FTS) x 6" NH FS S/Handle Rlf Vlv S/S Internals | $4,400.00 | |
| H500S-50-60NPSH | 5" Piston Intake Valve 45° Elbow 5" Storz/Lok x 6" NPSH R/L FS Rlf Vlv S/S Internals | $3,900.00 | |
| H500S-50NHM-60NH | 5" Piston Intake Valve 45° Elbow 5" NH male x 6" NH FS S/Handle Rlf Vlv S/S Internals | $3,750.00 | |
| H500S-60-45NH | 5" Piston Intake Valve 45° Elbow 6" Storz/Lok x 4.5" NH FS R/L Rlf Vlv S/S Internals | $4,138.00 | |
| H500S-60-50NH | 5" Piston Intake Valve 45° Elbow 6" Storz/Lok x 5" NH FS R/L Rlf Vlv S/S Internals | $4,138.00 | |
| H500S-60-60NH | 5" Piston Intake Valve 45° Elbow 6" Storz/Lok x 6" NH FS S/Handle Rlf Vlv S/S Internals | $4,138.00 | |
| H500S-60NHFS-60NH | 5" Piston Intake Valve 45° Elbow 6" NH FS RL x 6" NH FS S/Handle Rlf Vlv S/S Internals | $4,050.00 | |
| H500S-60NHM-60NH | 5" Piston Intake Valve 45° Elbow 6" NH male x 6" NH FS S/Handle Rlf Vlv S/S Internals | $3,763.00 | |
| Available Storz Caps | |||
| HBC-40 | 4" Storz blind Cap/Chain | $221.00 | |
| HBC-50 | 5" Storz Blind Cap/Chain | $310.00 | |
| HBC-60 | 6" Storz Blind Cap/Cbl- 3-Lugs | $385.00 |
Special Threads available on request, cost as follows: Allow 4-5 weeks for special threads.
• All Special Threads = $20.00 net, each
• 1” to 3.5” – NPT Threads = No Charge
• 4″ and up – NPT Threads = $20.00 net, each






