HI-Q PRESSURE RELIEF VALVE0 pages
PRODUCT DATA SHEET
nnnnInnovation in Miniature
nnnnHl-Q PRESSURE RELIEF VALVE
nnnnThe Lee Company's new Hi-Q Pressure
nnnnRelief Valve is designed for applications
nnnnthat require both a high relief pressure and
nnnna high flow rate in a compact package.
nnnnThis new relief valve is capable of relief
nnnnpressures up to 5400 psid and flow rates
nnnnover 19 GPM. The valve utilizes aside inlet
nnnnflow path to help minimize the installation
nnnnboss size and weight.
nnnnThe Hi-Q Pressure Relief Valve is offered
nnnnin a range of cracking pressures from 1000
nnnnto 5400 psid. It is designed for nominal
nnnnsystem pressures up to 5000 psi and sys-
nnnntem peak pressures up to 6750 psi. Each
nnnnLee Pressure Relief Valve is 100% tested
nnnnand inspected to ensure reliable, consistent
nnnnperformance.
nnnnPERFORMANCE
nnnnLeakage at Minimum
nnnnCracking Pressure:........1 mL/min max
nnnnLeakage at Minimum
nnnnShutoff Pressure:......... 1 mL/min max
nnnnExternal Leakage:...........................0 mL
nnnnRestriction at Minimum
nnnnRecommended Valve Lift:...600 Lohms
nnnnNominal System Pressure:.. up to 5000 psi
nnnnSystem Peak Pressure:.....6750 psi max
nnnnNon-Relief Direction
nnnnDifferential Pressure:......500 psid max
nnnnNominal Weight:.....................200 grams
nnnnValve performance on MIL-PRF-83282
nnnnor MIL-PRF-5606 at 85°F +/- 15°F
nnnnCapable of Flow Rates Over
nnnn19 GPM
nnnnCracking Pressures up to
nnnn5400 psid
nnnn100% Tested and Inspected
nnnnDesigned for System Pressures
nnnnup to 5000 psi
nnnnEndurance Tested in Excess of
nnnn100,000 Cycles
nnnn--3 . 88 1.00 HEX —V LOCKWIRE H0LE^> | |
I . 90 I |
FOR AS568-116 0-RING
nnnn.8125-20 UNJEF-3A
nnnn0-RING WITH ONE BACKUP RING
nnnnGLAND PER SAE AS4716-015
nnnnRelief
nnnnFlow
nnnnSee reverse side for installation hole.
nnnnPART | MATERIAL | SPECIFICATION |
Body | 304 CRES | AM S 5639 |
Poppet Retainer | 304 CRES | AM S 5639 |
Spring Seat | 304 CRES | AM S 5639 |
Spring Seat Vent | 316L CRES | (Sintered) |
Spring Guide | 304 CRES | AM S 5639 |
Seat | 15-5PH CRES | AM S 5659 |
Piston | Nitronic 60 | AM S 5848 |
Springs | 17-7PH CRES | AM S 5678 |
Poppet | Polyimide | |
Piston Seals | Viton | AMS-R-83485 |
PTFE | AS 8791 |
Finish: All CRES Parts Passivateci.
nnnnMINIMUM | MINIMUM | ||||
LEE PART NUMBER | CRACKING PRESSURE (psid) | LOHM* RATE | MIN FLOW (GPM) | AT (psid) | SHUTOFF PRESSURE (psid) |
PRVA0812010H | 1000 | 75 | 11.3 | 1500 | 850 |
PRVA0812012H | 1200 | 75 | 11.8 | 1650 | 1000 |
PRVA0812014H | 1400 | 75 | 12.7 | 1900 | 1200 |
PRVA0812022H | 2200 | 75 | 15.1 | 2750 | 2000 |
PRVA0812024H | 2400 | 75 | 15.9 | 3000 | 2200 |
PRVA0812032H | 3200 | 75 | 18.5 | 4050 | 3000 |
PRVA0812034H | 3400 | 75 | 19.0 | 4250 | 3200 |
PRVA0812042H | 4200 | 100 | 15.8 | 5250 | 4000 |
PRVA0812044H | 4400 | 100 | 16.2 | 5500 | 4200 |
PRVA0812052H | 5200 | 100 | 17.6 | 6500 | 5000 |
PRVA0812054H | 5400 | 100 | 17.9 | 6750 | 5200 |
THE LEE COMPANY, 2 PETTIPAUG Rn., P.O. BOX 424, WESTBROOK, CT 06498-0424
nnnn* The Lohm is a measure of flow resistance. Additional information can be found on the
nnnnreverse side and at www. TheLeeCo.com.
nnnnNOTE: Pressures in excess of 500 psid in the non-relief flow direction may cause damage to the
nnnnvalve's critical sealing surfaces.
nnnnTel: 860-399-6281
nnnnFax, Order Entry: 860-399-7058
nnnnFax, Technical Information: 860-399-7037
nnnnPDS 107 5/11 Web: www.TheLeeCo.com
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