Danfoss PAHT C 2, PAHT C 6.3, PAHT C 4, PAHT C 3.2 Data sheet
Data sheet
Data sheet
PAHT C pumps
PAHT C 2-6.3 pumps
PAHT C 2 - 6.3
ATEX PAHT C pumps
ATEX PAHT C pump
hpp.danfoss.com
hpp.danfoss.com
Data sheet | PAHT C 2-6.3 pumps
Table of Contents
1. Introduction ....................................................................... 2
2. Benefits ...........................................................................3
3. Application examples .............................................................. 3
4. Technical data ..................................................................... 4
4.1 PAHT C 2-6.3....................................................................... 4
5. Flow............................................................................... 5
5.1 PAHT C 2-6.3 typical flow curves at max pressure (measured in water) ................5
6. Motor requirements ............................................................... 6
7. Installation ........................................................................7
7.1 Filtration .......................................................................... 7
7.2 Noise ............................................................................. 7
7.3 Open-system design ...............................................................8
7.4 Closed-system design ..............................................................9
8. Dimensions and connections ......................................................10
8.1 PAHT C 2-6.3......................................................................10
9. Service ...........................................................................11
1. Introduction
The Danfoss range of PAHT C is specifically
designed for use with technical water mixed with
chemicals or media other than water with low
viscosity.
Danfoss PAHT pumps are positive displacement
pumps, with axial pistons that move a fixed
amount of water in each cycle. Flow is proportional to the number of input shaft revolutions
(rpm). Unlike centrifugal pumps, they produce
the same flow at a given speed independently
of the discharge pressure.
The range of PAHT C pumps is based on the
standard PAHT pump series. The PAHT C pumps
are made with more resistant sealing. These
pumps are primarily used in gas turbine water
wash applications or other cleaning applications.
This data sheet is valid for PAHT C pumps both
non ATEX and ATEX certified. ATEX certified
pumps are indicated by Ex in the type
designation example PAHT C 2 Ex.
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521B1374 | DKCFN.PD.012.4D.02 | 06.2017
Data sheet | PAHT C 2-6.3 pumps
Below sectional drawing is an example of a PAHT pump.
1: Mounting flange
2: Shaft seal
3: Connecting flange
4: Port plate
5: Valve plate
6: Retainer plate
7: Swash plate
8: End cap
9: Spring
10: Pis ton
11: Cylinder barrel
12: Housing with bearing
2. Benefits • Zero risk of lubricant contamination:
- Oil lubricants are replaced with the
pumped medium, water, so there is no
contamination risk from the pump.
• Low maintenance costs:
- Efficient design and all-stainless steel
construction ensure exceptionally long
lifetime. When Danfoss specifications
are met, service intervals of up to 8,000
hours can be expected. Service is easy,
and can be carried out on site due to
the simple design and few parts.
• Low energy costs:
- The highly efficient axial piston design
provides the lowest energy consumption of any comparable pump on the
market.
• Easy installation:
- The lightest and most compact design
available.
- High resistant sealing material available
3. Application examples • High-pressure cleaning as used in the
manufacturing of flat-panel displays and
many other electronic products.
• High-pressure cleaning as used in the
manufacturing of parts for the automobile
industry.
- Pump can be installed horizontally or
vertically.
- No pulsation dampeners necessary due
to extremely low-pressure pulsation.
- Powered by electric motors or combustion engines.
- Suitable for both boosted inlet
pressure and water supply from a tank.
- No need for cooling circuits due to very
high mechanical efficiency.
• Certified quality:
- Fulfills the stringent hygiene requirements, VDI 6022, HACCP.
- Certificates:
ISO 9001, ISO 14001
ATEX available on PAHT C,
API available on request
• Reduction of NOx emissions in
gas turbines by cleaning with water wash.
521B1374 | DKCFN.PD.012.4D.02 | 06.2017
3
Data sheet | PAHT C 2-6.3 pumps
4. Technical data 4.1 PAHT C 2-6.3
Pump size 2 3.2 4 6.3
Code number PAHT C 180B1030 180B1031 180B1032 180B1033
Code number ATEX PAHT C 18 0B1130 18 0B1131 180 B1132 18 0B1133
Housing material AISI 304 AISI 304 AISI 304 AISI 304
Sealing material FFKM FFKM FFKM FFKM
Geometric
displacement
Pressure
Min. outlet
pressure
Max. outlet
pressure
Inlet pressure,
continuous
Max. inlet
pressure, peak
Speed
Min. speed rpm 1000 1000 1000 1000
Min. speed,
continuous
Max. speed rpm 3000 3000 3000 3000
Typical flow - Flow curves available in section 5
1000 rpm at
max. pressure
1500 rpm at
max. pressure
1200 rpm at
max. pressure
1800 rpm at
max. pressure
Typical motor size
1500 rpm at
max. pressurekW50 Hz
1800 rpm at
max. pressurehp60 Hz
Torque at max.
outlet pressure
Media
temperature
Ambient
temperature
Sound pressure
3)
level
Weight
cm³/rev 2 3.2 4 6.3
in³/rev 0.12 0.20 0.24 0.38
barg 30 30 30 30
psig 435 435 435 435
barg 100 100 100 100
psig 1450 1450 1450 1450
barg 0-4 0-4 0-4 0-4
psig 0-58 0-58 0-58 0-58
1)
barg 4 4 4 4
psig 58 58 58 58
rpm 1000 1000 1000 1000
l/min 0.7 2.0 3.0 5.5
l/min 1.7 3.6 5.0 8.6
gpm 0.3 0.7 1.0 1.8
gpm 0.6 1.2 1.6 2.7
Nm 4.4 6.7 8.1 12. 4
lbf-ft 3.2 4.9 6.0 9.2
°C 2-50 2-50 2-50 2-50
°F 37-122 37-122 37-12 2 37-122
°C 0-50 0-50 0-50 0-50
°F 32-122 32-122 32-12 2 32-122
dB(A) 76 76 76 76
kg 4.4 4.4 4.4 4.4
lbs 9.7 9.7 9.7 9.7
2)
0.75 1.1 1. 5 2.2
1.0 1. 5 2.0 3.0
1)
1% per minute peak, 10% per minute during start up.
2)
Values measured in water, might differ in other media.
3)
Measurements according to EN ISO 3744: 2010 / dB(A) [L
Measured at max pressure and rpm for a motor pump unit.
4
521B1374 | DKCFN.PD.012.4D.02 | 06.2017
] values are calculated.
PA, 1m
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