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PRESSURE DROP DATA15K/20K/40K Hoses and Lances
US & Canada: 800-231-8192 or 832-590-1300
HOSES & LANCES
US & Canada: 800-231-8192 or 832-590-1300
Hoses & Lances15,000 PSI (1,034 BAR)
PRESSURE DROP DATAThe charts on the following pages are used to approximate how much pressure will be lost through a particular hose or lance at a given flow rate. Because of frictional forces, the water exiting a hose or lance could be at a significantly lower pressure than at entry. In some cases, especially when using smaller hoses and lances, the flow rate that can be used is determined by pressure drop through a lance rather than the pump’s maximum output.
PRessURe DRoP & noZZLe sIZInG
Pressure drop is especially important to understand when sizing nozzles. Use the following procedure for correct nozzle sizing:
1. Determine the pressure needed for a particular cleaning operation and subtract that amount from the desiredpump operating pressure. The result is the permissible pressure drop.
2. Consult pressure drop chart for the hose to be used to determine what flow rate will result in the permissiblepressure drop.
3a. If this flow rate exceeds the maximum flow of the pump, use the chart to find the pressure drop at the maximum pump flow and subtract that amount from the desired pump operating pressure to get the pressure at the nozzle. Then use the flow charts provided for the desired nozzle to select a nozzle, or nozzles, matching the desired flow and pressure.
3b. If this flow rate is within the capability of the pump, use the flow charts provided for the desired nozzle to select a nozzle, or nozzles, matching the desired flow and pressure.
1" RUBBeR WaTeRBLasT Hoseseries 53235
NOTE: Doubling the length of a hose or lance will result in approximately twice the pressure drop at the same flow rate.
www.waterblast.com
Hoses & Lances15,000 PSI (1,034 BAR)
3/4" RUBBeR WaTeRBLasT Hoseseries 51118
PRESSURE DROP DATAHOSE
1/2" RUBBeR WaTeRBLasT Hoseseries 25513 & 52241
US & Canada: 800-231-8192 or 832-590-1300
Hoses & Lances15,000 PSI (1,034 BAR)
1/4" RUBBeR WaTeRBLasT HoseseRIes 25914
3/8" RUBBeR WaTeRBLasT HoseseRIes 25576 & 52178
PRESSURE DROP DATAHOSE & FLEX LANCE
3/4" (20 MM) THeRMoPLasTIc Hose & FLeX Lance – seRIes 29313
1/2" (13 MM) THeRMoPLasTIc Hose & FLeX Lance – seRIes 28481 & 28524
www.waterblast.com
Hoses & Lances15,000 PSI (1,034 BAR)
5/16" (8 MM) THeRMoPLasTIc Hose & FLeX Lance – seRIes 27560 & 28673
5/32" (4 MM) THeRMoPLasTIc Hose & FLeX Lance – seRIes 26104
PRESSURE DROP DATAHOSE & FLEX LANCE
1/4" (6 MM) THeRMoPLasTIc Hose & FLeX Lance – seRIes 26108 & 28490
3/16" (5 MM) THeRMoPLasTIc Hose & FLeX Lance – seRIes 26106
US & Canada: 800-231-8192 or 832-590-1300
Hoses & Lances15,000 PSI (1,034 BAR)
3/16" sTaInLess sTeeL BRaIDeD FLeX Lance
seRIes 50559, 51162 & 51498
1/4" sTaInLess sTeeL BRaIDeD FLeX Lance
seRIes 25568, 25570, 50673 & 50752
5/16" sTaInLess sTeeL BRaIDeD FLeX Lance – seRIes 25571
PRESSURE DROP DATAFLEX LANCE
1/8" (3 MM) THeRMoPLasTIc Hose & FLeX Lance – seRIes 28596
www.waterblast.com
Hoses & Lances15,000 PSI (1,034 BAR)
0 10 20 30 40 50 60 70 80 90 100 110 1200
1000
2000
3000
4000
5000
6000
7000
8000
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
25'
20'
15'
10'
8'
6'
RIGID Lances — 1" PIPeseRIes 54299
.140" o.D. sTeeLFLeX LanceseRIes 51020
PRESSURE DROP DATAFLEX LANCE
RIGID Lances — 3/4" PIPe 15,000 PsI (1034 BaR) – seRIes 56692
.170" o.D. sTeeLFLeX™ LanceseRIes 51015
US & Canada: 800-231-8192 or 832-590-1300
Hoses & Lances15,000 PSI (1,034 BAR)
PRESSURE DROP DATARIGID LANCE
0
400
800
1200
1600
2000
0 10 20 30 40 50 60 70 80 90 100 110 120
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
20'
25'
6'
8'
10'
15'
RIGID Lances — 1/4" PIPeseRIes 50594 & 51067
0
1000
2000
3000
4000
5000
6000
7000
8000
0 10 20 30 40 50 60 70 80 90
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
20'
25'
6'
8'
10'
15'
RIGID Lances — 3/8" PIPeseRIes 50596 & 51068
0
1000
2000
3000
4000
5000
6000
7000
8000
0 10 20 30 40 50 60 70 80 90 100 110 120
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
20'
25'
6'
8'
10'
15'
RIGID Lances — 1/2" PIPeseRIes 51069 & 51082
0
200
400
600
800
1000
1200
0 10 20 30 40 50 60 70 80 90 100 110 120
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
20'25'
6'
8'
10'
15'
RIGID Lances — 3/4" PIPe 10,000 PsI (689 BaR) – seRIes 53731
www.waterblast.com
Hoses & Lances15,000 PSI (1,034 BAR)
0
1000
2000
3000
4000
5000
6000
7000
8000
0 4 8 12 16 20 24 28
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
20'
25'
6'
8'
10'
15'
RIGID Lances — 1/4" o.D. MecHanIcaL TUBInG – seRIes 51059
0
1000
2000
3000
4000
5000
6000
7000
8000
0 1 2 3 4 5 6 7 8 9
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
20'
25'
6'
8'
10'
15'
RIGID Lances — 3/8" o.D. MecHanIcaL TUBInG – seRIes 51062
0
1000
2000
3000
4000
5000
6000
7000
8000
0 10 20 30 40
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
20'
25
6'
8'
10'
15'
RIGID Lances — 1/16" PIPeseRIes 51061 & 51081
0
1000
2000
3000
4000
5000
6000
7000
8000
0 10 20 30 40
Flow Rate (gpm)
Pre
ssu
re D
rop
(p
si)
20'
25'
6'
8'
10'
15'
RIGID Lances — 1/8" PIPeseRIes 50592, 51066 & 54411
PRESSURE DROP DATARIGID LANCE
Hoses and Lances20,000 PSI (1,379 BAR)
HO
SE
S &
LA
NC
ES
US & Canada: 800-231-8192 or 832-590-1300
PRESSURE DROP DATAThe charts shown are used to approximate how much pressure will be lost through a particular hose or lance at a given flow rate. Because of frictional forces, the water exiting a hose or lance could be at a significantly lower pressure than at entry. In some cases, especially when using smaller hoses and lances such as Series 51952 & 51953, the flow rate that can be used is determined by pressure drop through a lance rather than the pump’s maximum output.
PRESSURE DROP & NOZZLE SIZING
Pressure drop is especially important to understand when sizing nozzles. Use the following procedure for correct nozzle sizing:
1. Determine the pressure needed for a particular cleaning operation and subtract that amount from the desiredpump operating pressure. The result is the desired pressure drop.
2. Consult pressure drop chart for the hose to be used to determine what flow rate will result in the intendedpressure drop.
3a. If this flow rate exceeds the maximum flow of the pump, use the chart to find the pressure drop at the maximum pump flow and subtract that amount from the desired pump operating pressure to get the pressure at the nozzle. Then use the flow charts provided for the desired nozzle to select a nozzle, or nozzles, matching the desired flow and pressure.
3b. If this flow rate is within the capability of the pump, use the flow charts provided for the desired nozzle to select a nozzle, or nozzles, matching the desired flow and pressure.
noTe: Doubling the length of a hose or lance will result in approximately twice the pressure drop at the same flow rate.
HOSES & FLEX LANCES5/32" THeRMoPLasTIc Hose & Lance
seRIes 660455/32" THeRMoPLasTIc Hose & Lance
seRIes 51952
Hoses and Lances20,000 PSI (1,379 BAR)
HO
SE
S &
LA
NC
ES
www.waterblast.com
PRESSURE DROP DATAHOSES & FLEX LANCES
5/16" THeRMoPLasTIc Hose & LanceseRIes 53816
3/16" THeRMoPLasTIc Hose & LanceseRIes 51953
1/4" THeRMoPLasTIc Hose & LanceseRIes 51954
1/2" THeRMoPLasTIc HoseseRIes 28347 & 70941
Hoses and Lances20,000 PSI (1,379 BAR)
HO
SE
S &
LA
NC
ES
US & Canada: 800-231-8192 or 832-590-1300
PRESSURE DROP DATAHOSES & FLEX LANCES
3/4" THeRMoPLasTIc Hose & LanceseRIes 28690
3/4" THeRMoPLasTIc HoseseRIes 29120
9/16" THeRMoPLasTIc LanceseRIes 28699
Hoses and Lances20,000 PSI (1,379 BAR)
HO
SE
S &
LA
NC
ES
www.waterblast.com
PRESSURE DROP DATARIGID LANCES
Flow Rate (gpm)
Flow Rate (gpm)
RIGId Lances – 3/4˝ PIPeseRIes 5473X
Pres
sure
Dro
p (p
si)
HOSES & LANCES20,000 PSI
Related ItemsSTINGERS — See Fittings, Section F
SLIM LINE COUPLERS — See Fittings, Section FFITTINGS, CONNECTORS, COUPLINGS — See Fittings, Section FFLEXIBLE HOSES — See Hose, Section C NOZZLES — See Nozzles, Section D
Jetstream of Houston, LLPPhone: US & Canada: 800-231-8192 or 713-462-7000Web Site: www.waterblast.com
Copyright Jetstream of Houston, LLP ©2004D-9
RIGID LANCE PRESSURE DROPSee Page D-6 for information regarding pressure drop.
3/4" RIGID LANCES.740" O.D. x .437" I.D.
9/16" RIGID LANCES .553" O.D. x .312" I.D.
3/8" RIGID LANCES.368" O.D. x .203" I.D.
1/4" RIGID LANCES .245" O.D. x .109" I.D.
RIGId Lances – 9/16˝ PIPeseRIes 54233, 54388, 5480X & 51936
Pres
sure
Dro
p (p
si)
HOSES & LANCES20,000 PSI
Related ItemsSTINGERS — See Fittings, Section F
SLIM LINE COUPLERS — See Fittings, Section FFITTINGS, CONNECTORS, COUPLINGS — See Fittings, Section FFLEXIBLE HOSES — See Hose, Section C NOZZLES — See Nozzles, Section D
Jetstream of Houston, LLPPhone: US & Canada: 800-231-8192 or 713-462-7000Web Site: www.waterblast.com
Copyright Jetstream of Houston, LLP ©2004D-9
RIGID LANCE PRESSURE DROPSee Page D-6 for information regarding pressure drop.
3/4" RIGID LANCES.740" O.D. x .437" I.D.
9/16" RIGID LANCES .553" O.D. x .312" I.D.
3/8" RIGID LANCES.368" O.D. x .203" I.D.
1/4" RIGID LANCES .245" O.D. x .109" I.D.
Pres
sure
Dro
p (p
si)
RIGId Lances – 3/8˝ PIPeseRIes 54222, 54387, 5479X, 51934
Flow Rate (gpm)
HOSES & LANCES20,000 PSI
Related ItemsSTINGERS — See Fittings, Section F
SLIM LINE COUPLERS — See Fittings, Section FFITTINGS, CONNECTORS, COUPLINGS — See Fittings, Section FFLEXIBLE HOSES — See Hose, Section C NOZZLES — See Nozzles, Section D
Jetstream of Houston, LLPPhone: US & Canada: 800-231-8192 or 713-462-7000Web Site: www.waterblast.com
Copyright Jetstream of Houston, LLP ©2004D-9
RIGID LANCE PRESSURE DROPSee Page D-6 for information regarding pressure drop.
3/4" RIGID LANCES.740" O.D. x .437" I.D.
9/16" RIGID LANCES .553" O.D. x .312" I.D.
3/8" RIGID LANCES.368" O.D. x .203" I.D.
1/4" RIGID LANCES .245" O.D. x .109" I.D.
Flow Rate (gpm)
RIGId Lances – 1/4˝ PIPeseRIes 5438X, 5479X, 51933
HOSES & LANCES20,000 PSI
Related ItemsSTINGERS — See Fittings, Section F
SLIM LINE COUPLERS — See Fittings, Section FFITTINGS, CONNECTORS, COUPLINGS — See Fittings, Section FFLEXIBLE HOSES — See Hose, Section C NOZZLES — See Nozzles, Section D
Jetstream of Houston, LLPPhone: US & Canada: 800-231-8192 or 713-462-7000Web Site: www.waterblast.com
Copyright Jetstream of Houston, LLP ©2004D-9
RIGID LANCE PRESSURE DROPSee Page D-6 for information regarding pressure drop.
3/4" RIGID LANCES.740" O.D. x .437" I.D.
9/16" RIGID LANCES .553" O.D. x .312" I.D.
3/8" RIGID LANCES.368" O.D. x .203" I.D.
1/4" RIGID LANCES .245" O.D. x .109" I.D.
Flow Rate (gpm)
Pres
sure
Dro
p (p
si)
www.waterblast.com
Hoses & Lances40,000 PSI (2,758 BAR)
HO
SE
S &
L
AN
CE
S
HOSE & FLEX LANCE PRESSURE DROP DATA
5 1 0 1 5 2 0 2 5 3 0
F lo w ra te (g p m )
PRES
SURE
DRO
P (p
si)
FLOW RATE (gpm)
5 10 15 20 25 30
4000
3500
3000
2500
2000
1500
1000
500
0
100’ 25’50’
SERIES 28612, 27524 & 594698MM HOSE
FLOW RATE (gpm)
2 4 6 8 10 12 14
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
100’ 25’50’
PRES
SURE
DRO
P (p
si)
SERIES 27731, 28082 & 291725mm HOSE
PRES
SURE
DRO
P (p
si)
FLOW RATE (gpm)
0 2 4 6 8 10
6000
5000
4000
3000
2000
1000
0
100’
25’
50’
SERIES 28460 4mm HOSE
FLOW RATE (gpm)
0 5 10 15 20
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
100’ 25’50’
PRES
SURE
DRO
P (p
si)
SERIES 703466mm HOSE
US & Canada: 800-231-8192 or 832-590-1300
Hoses & Lances40,000 PSI (2,758 BAR)
HO
SE
S &
L
AN
CE
S
RIGID LANCE PRESSURE DROP DATA
To order Jetstream parts and accessories, call 1-800-231-8192or visit www.waterblast.com
www.waterblast.com(832) 590-1300 • (800) 231-8192©2019 Jetstream of Houston. Jetstream® is a registered trademark of Federal Signal Corp.
The Worldwide Leader in TOTAL Solutions for Challenging Waterblasting Applications.
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