PUMPS & FLUID ENDS20,000 PSIUNx FLUID ENDMODELS 4220 & 3620The 20,000 <strong>psi</strong> UNx Fluid End is a cost-effective solution toincrease the available operating pressure or range of pressuresof an existing <strong>Jetstream</strong> 3600 or 4200 UNx Pump. The model4220 and model 3620 deliver all of the benefits that define theUNx Fluid Ends as the best in the industry.Up to 325 horsepowerFlow of over 21 gallons per minute at 20,000 <strong>psi</strong>*Three plunger (triplex) designSuperior performanceGreater flexibility in the fieldReduced downtime and maintenance. See UNx Features and Benefits on page B-1. Includes hose adapters and one rupture disc holder.. Choose an additional rupture disc holder or a SevereService Relief Valve as a second safety device.. Pressure gauge not included3620 Fluid EndFluid EndConnection Types**Plunger Size Plunger Stroke Max. Maximum Max. OperatingPartDiameterRPM Flow* PressureNumberNo.Top Ports Discharge Ports in mm in mm gpm lpm <strong>psi</strong> bar51995 20K Port Female 20K Port Female #8 .800 20.32 3.63 92 550 13.0 49.3 20,000 1,3794220 Fluid EndFluid EndPartNumber* Displacement (flow) values represented refer to "theoretical" flow, neglecting inefficiency resulting from compressibility of water and expansion of pressurebearingcomponents.** See details on all connection types beginning on page I-2.Horsepower ChartCommonEnginePowersConnection Types**Plunger Size Plunger Stroke Max. Maximum Max. OperatingDiameterRPM Flow* PressureNo.Top Ports Discharge Ports in mm in mm gpm lpm <strong>psi</strong> bar51995 20K Port Female 20K Port Female #8 .800 20.32 4.25 108 514 14.3 54.0 20,000 1,37952000 20K Port Female 20K Port Female #9 .900 22.86 4.25 108 514 18.0 68.3 20,000 1,37952506 20K Port Female 20K Port Female #10 .980 24.89 4.25 108 514 21.4 81.0 20,000 1,379PumpDisplacement*at 20,000 <strong>psi</strong>(1,379 bar)hp kW gpm lpm152 113 11.8 44.6174 130 13.5 51.0200 149 15.5 58.7215 160 16.7 63.1250 186 19.4 73.3260 194 20.2 76.3300 224 23.3 88.0Related ItemsSEVERE SERVICE RELIEF VALVE – See Safety, Page G-4BYPASS VALVE – See Control Guns & Valves, Page C-11REGULATOR VALVE – See Guns, Valves, & Filters, Page C-12FILTERS – See Guns, Valves, & Filters, Page C-16FITTINGS & GAUGES – See Fittings & Gauges, Section F<strong>Jetstream</strong> of Houston, LLPPhone: US & Canada: 800-231-8192 or 713-462-7000Web Site: www.waterblast.comB-16Copyright <strong>Jetstream</strong> of Houston, LLP ©2004
PUMPS & FLUID ENDS20,000 PSIUNx FLUID ENDMODEL 4220 & 3620REPLACEMENT PARTSItemPartNumberDescription1 26487 Deflector2 51736 Plunger Coupling3 50301 #8 Plunger51828 #9 Plunger52504 #10 Plunger4 51832 #8 Gland Nut51829 #9 Gland Nut52501 #10 Gland Nut5 26416 O-Ring6 51857 #8 Packing Set51826 #9 Packing Set52509 #10 Packing Set7 50306 #8, #9 Stuffing Box52502 #10 Stuffing BoxItemPartNumberDescription8 51790 Uni-Valve8a 50465 Uni-Valve Seal Kit8b 26550 Discharge Valve Spring8c 26549 Suction Valve Spring8d 51814 Spring Retainer8e 26546 Retaining Ring9 51818 Manifold10 52035 Rupture Disc Holder10a 52040 Seal10b 52043 Base10c 51838 Disc, 24,000 <strong>psi</strong> Burst51837 Disc, 27,000 <strong>psi</strong> Burst51836 Disc, 29,000 <strong>psi</strong> BurstItemPartNumberDescription10d 51773 Hold-Down Ring10e 51772 Cap11 26500 Manifold Bolt12 51975 Lube Harness12a 27101 Ball Valve12b 25946 Nipple12c 53242 Lube Manifold12d 26802 Reducing Bushing12e 26874 Hose Fitting12f 26469 Hose13 51659 Trunnion14 26468 Cotter Pin15 50295 Trunnion Rod16 50889 Pump Wrench<strong>Jetstream</strong> of Houston, LLPPhone: US & Canada: 800-231-8192 or 713-462-7000Web Site: www.waterblast.comB-17Copyright <strong>Jetstream</strong> of Houston, LLP ©2004
- Page 2 and 3: "Your Waterblast Solutions Provider
- Page 4 and 5: TABLE OF CONTENTS20,000 PSIF GAUGES
- Page 6 and 7: INTRODUCTION20,000 PSISURFACE CLEAN
- Page 8 and 9: UNITS20,000 PSIDIESEL UNITSSteerabl
- Page 10 and 11: UNITS20,000 PSIELECTRIC UNITSMotor
- Page 12 and 13: PUMPS & FLUID ENDS20,000 PSIUNx FLU
- Page 14 and 15: PUMPS & FLUID ENDS20,000 PSIUNx BAR
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- Page 24 and 25: PUMPS & FLUID ENDS20,000 PSIUNx FLU
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- Page 38 and 39: PUMPS & FLUID ENDS20,000 PSIUNX FLU
- Page 40 and 41: GUNS, VALVES, & FILTERS20,000 PSIDU
- Page 42 and 43: GUNS, VALVES & FILTERS20,000 PSIDUR
- Page 44 and 45: GUNS, VALVES & FILTERS20,000 PSIDUR
- Page 46 and 47: GUNS, VALVES & FILTERS20,000 PSIDUR
- Page 48 and 49: GUNS, VALVES & FILTERS20,000 PSIAIR
- Page 50 and 51: GUNS, VALVES & FILTERS20,000 PSIBYP
- Page 52 and 53: GUNS, VALVES & FILTERS20,000 PSINOZ
- Page 54 and 55: GUNS, VALVES & FILTERS20,000 PSIHIG
- Page 56 and 57: HOSES & LANCES20,000 PSIRUBBER WATE
- Page 58 and 59: HOSES & LANCES20,000 PSIFLEX LANCES
- Page 60 and 61: HOSES & LANCES20,000 PSIEND FITTING
- Page 62 and 63: HOSES & LANCES20,000 PSIHOSES & FLE
- Page 64 and 65: HOSES & LANCES20,000 PSIRIGID LANCE
- Page 66 and 67: N O Z Z L E S20,000 PSIORBI-JET QCX
- Page 68 and 69: NOZZLES20,000 PSIORBI-JETTWO-JET SE
- Page 70 and 71: N O Z Z L E S20,000 PSIH PN O Z Z L
- Page 72 and 73: NOZZLES20,000 PSIROTOMAG2-D PIPE CL
- Page 74 and 75: NOZZLES20,000 PSIROTOMAG2-D PIPE CL
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NOZZLES20,000 PSITUBE SPINNERTUBE C
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NOZZLES20,000 PSIHPF TUBE CLEANING
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NOZZLES20,000 PSIHPM TUBE CLEANING
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FITTINGS & GAUGES20,000 PSIPRESSURE
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FITTINGS & GAUGES20,000 PSIJETSTREA
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FITTINGS & GAUGES20,000 PSIJETSTREA
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FITTINGS & GAUGES20,000 PSIQUICK DI
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FITTINGS & GAUGES20,000 PSIMEDIUM P
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FITTINGS & GAUGES20,000 PSISCREW TY
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FITTINGS & GAUGES20,000 PSINIPPLES
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FITTINGS & GAUGES20,000 PSISLIMLINE
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SAFETY20,000 PSISAFETY APPARELTurtl
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SAFETY20,000 PSIRUPTURE DISC HOLDER
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SAFETY20,000 PSIDURASAFE SAFETY SHR
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SURFACE CLEANERS20,000 PSIHYDRO-MOW
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S U R FACE CLEANERS20,000 PSIH Y D
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TECHNICAL20,000 PSIUNIT CONVERSIONS
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TECHNICAL20,000 PSICONNECTION TYPES
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TECHNICAL20,000 PSICONNECTION TYPES
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INDEX20,000 PSI27503-2 C-1627503-3
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INDEX20,000 PSI52202 C-1052206 C-10
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INDEX20,000 PSIPRODUCTSAbrasive Cut
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INDEX20,000 PSIGauntlets, Turtleski
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INDEX20,000 PSITube Cleaning Nozzle
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NOTES______________________________
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