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R. 03/12 855 819

Samson Corporation • One Samson Way • N.C. 28778 Swannanoa • Phone: 00 1 8286868511 • Fax: 00 1 8286868533

2012_03_06-17:30

ENGLISH

ESP

AÑOL

Operation

This pump is self-priming. To prime it the first time, you must connect the air pump supply to a low pressure using the pressure regulators 
while keeping the outlet valve open.
When fluid begins to flow from the pump outlet,  the pump is primed. For regulation of fluid pressure, the unit must be supplied with an air 
pressure  between  43.5  and  100  psi  (3  and  7  bar).  Adjust  the  discharge  valve  on  the  discharge  side  to  control  flow.  For  the  performance 
characteristics of the pump see the capacity curve shown on page 4.

Warning

•  DF-100  pumps  do  not  exceed  a  nominal  noise  level  of  70  dB.  It  is  recommended  to  use  hearing  protection  when  working  near  a 

diaphragm pump. Noise can be significantly reduced using a remote exhaust using a hose attached to the appropriate port in the air 
exhaust (optional connection not supplied with the pump).

•  Never use the pump under any circumstances with nonconducting flammable fluids or explosives.
•  Always wear appropriate protective clothing to handle the pump.
•  Never place your face or body against the air exhaust while the pump is running.
•  Cut off the air supply before any maintenance. Release all pressure in hoses and pipes before disconnecting the pump for maintenance.
•  Make sure the air valve, pressure regulator valve and drain the discharge valve are closed. Also, make sure that the valve on the suction 

side is open.

Caution

•  Before starting the pump, always ensure that the discharge piping system is secure. 
•  Check the flow direction before starting. 
•  Never use compressed gases other than air. 
•  As you start to close the discharge valve the air supply pressure can increase. Make sure that the pressure stays within normal operating 

range. (Main Specifications on page 1). 

•  The suction flow velocity of the fluid will vary depending on the viscosity and specific gravity of the fluid, the capacity for suction stroke 

and other conditions, however, if the speed of the pump (the fluid flow rate) increases significantly, there will can be cavitation of the fluid 
and it will reduce pump performance. Adjust air supply pressure and flow to prevent cavitation.

•  If there is no flow of fluid after starting the pump, or you hear an unusual noise or notice any irregularities, immediately turn off the pump. 

(Troubleshooting on page 15).

•  You can stop the pump by closing the discharge valve  while the air is on, but if this condition continues for several hours and the pump 

is left unattended it can begin pumping automatically if a discharge pipe or connection starts to leak, spilling fluid and causing property 
damage. When the dispense is complete, release the internal pressure close the discharge valve.

•  When the pump stops while pumping liquids containing heavy loads of solids, the particles in the slurry precipitate in the outlet chamber. 

If the pump is restarted without removing the contaminants, the diaphragm may be damaged or the pushing rod can be overloaded and 
be damaged. Before restarting the pump, flush the remaining fluid and solids from the pump.

•  Place a bucket under the relief valve to catch any waste that might be released.
•  If the pump will remain out of use for a long period of time, purge and clean it. 

Installation

Warning

Air connection

To ensure that the air supply is sufficient to meet the demand of the pump, the diameter of the pipe must be equal to the diameter of the 
supply port of the pump. Choose auxiliary air treatment equipment and fittings with sufficient airflow to exceed the air consumption of the 
pump. In addition, peripheral air treatment equipment must be installed as close as possible to the pump unit.
The use of a coupler to connect the hoses aids future operation and maintenance tasks.

Summary of Contents for DF100

Page 1: ...chnical data Ratio 1 1 Maximum free flow 26 42 gal min 100 l min Delivery per stroke 8 45 oz 0 25 l Air pressure operating range 43 5 psi 100 psi 3 a 7 bar Solid in suspension max size 4 mm Maximum su...

Page 2: ...all health and safety laws or legislation The pump can produce fluid pressures equal to the air supply pressure Do not exceed the maximum allowable pressure of 7 bar air supply The total hydraulic pr...

Page 3: ...hout pump shields F Cast iron S Stainless steel P Polypropylene C Acetal K PVDF Bushing Seal Push rod Code Bushing material Seal material Pushing rod material 1 Teflon NBR Stainless steel 2 Teflon Vit...

Page 4: ...other thus a reciprocating movement of the diaphragms is created With each stroke fluid is discharged by one of the diaphragms whilst the opposite diaphragm sucks new fluid into the expanding chamber...

Page 5: ...wannanoa Phone 00 1 8286868511 Fax 00 1 8286868533 2012_03_06 17 30 ENGLISH ESPA OL Dimensions DF 100 A B C D E F G H I J K L 216 mm 189 mm 227 mm 175 mm 154 mm 9 mm 184 mm 210 mm 94 51 mm 1 BSP NPT 2...

Page 6: ...mp to the piping system through flexible pipes or hoses coupling Ensure that pipes and fittings are properly fastened to their supports Never use any compressed gases other than air Do not use the pum...

Page 7: ...red and easy to install Flooded The pumping system was designed with positive pressure at the inlet This is the best possible installation when you need to evacuate the liquid from the drum or tank or...

Page 8: ...re that the connections of the pump are not supporting external weight Take special care that the pump does not support any part of the weight of the hose and piping Use a properly rated hoses that ca...

Page 9: ...n normal operating range Main Specifications on page 1 The suction flow velocity of the fluid will vary depending on the viscosity and specific gravity of the fluid the capacity for suction stroke and...

Page 10: ...e was released fully open and close the regulator valve and drain valve of the pump Operation options Grounding the pump When installing the pump be sure to perform grounding in the specified location...

Page 11: ...member to remove the ground wire Use a grounding cable of at least 12 gauge 2 0 mm2 If the pump you have purchased is valid for Atex a specific Atex manual will accompany this one Read this manual bef...

Page 12: ...12 855 819 R 03 12 Samson Corporation One Samson Way N C 28778 Swannanoa Phone 00 1 8286868511 Fax 00 1 8286868533 2012_03_06 17 30 Pump parts DF100...

Page 13: ...XX XX X 755111 Aluminium Externally controlled models fits the same diaphragms covers than normal directional valve Table 7 Pump shields Model DF100 DF100 Material Upper shield Lower shield XXA XX XX...

Page 14: ...393 Stainless steel epdm Polypropylene Table 3 Bushing Seal Push rod Model DF100 DF100 with Teflon diaphragms XXX XX XT XX X Material bushing Seal Push rod XXX 1X XX XX X 558352 558383 Teflon NBR Stai...

Page 15: ...ants Check and clean the fluid line Pump is clogged with contaminants Dismantle the pump check and clean The ball and ball seat is worn or damaged Inspect and replace parts The flow is decreasing Caus...

Page 16: ...f the pump are loose Review each element of connection and tighten the screws The air supply pressure is too high Adjust air supply pressure The range and ball valve vibrates Adjust air supply pressur...

Page 17: ...ormal exhaust Kit Pos Description Cuan Material 558350 A 1 Air inlet circlip 1 Steel 2 O ring 1 NBR 3 Inlet adaptor 1 Steel 4 Pivoting arm 1 Elastollan Delrin 5 Distributor lower seal 2 NBR 6 Directio...

Page 18: ...these screws you must use a torque wrench calibrated to 137 7 lbf in 15 N m 5 Remove the cover by gently pulling back 6 Remove the used diaphragm and place the new one in the proper position Assemble...

Page 19: ...NNER PART OF THE BUSHING POS 7 WITH THE SHAFT S THREAD POS 6 5 1 Once placed the assembly push the diaphragm Pos 6 to make the shaft come out of the body Then place the pump in the workbench with the...

Page 20: ...as it is critical to replace it correctly during reassembly 5 Install a new set of valves according to these assembly drawings Ensure that the ball guides are assembled as shown in the figure on the l...

Page 21: ...t the cover on the pump and tighten the screws to the body of the pump Maximum tightening torque 137 7 lbf in 15 N m Fit the remaining components in reverse order Pushing rod Remove the side cover on...

Page 22: ...iaphragm replacement procedure to remove the diaphragms 2 Pull out the central shaft 3 Push in a quick coupling shaft for stainless steel shafts DF30 part 855431 DF50 part 855432 DF100 part 855433 4 S...

Page 23: ...ck coupling diaphragm nut New quick coupling tempered central shaft Conductive PTFE central bushing New scraper geometry in the central bushing DF pumps manufactured after January 2013 S N 328099 001...

Page 24: ...58357 551015X Standard 558350 PTFE 558363 Stainless steel Viton Polypropylene 558360 Table 4 Table 5 Table 9 Pump size Lube code Bushing Seals Shaft Kit code Diaphragms Kit code Air sensor Kit code DF...

Page 25: ...el Poly 552015 DF50 558319 558316 558307 558303 94115503 Fluid Section Kit Hytrel Acetal 552016 552021 552026 DF50 558321 558315 558307 558303 94115101 Fluid Section Kit Hytrel Buna 551010 DF100 55836...

Page 26: ...22 855 819 R 03 12 Samson Corporation One Samson Way N C 28778 Swannanoa Phone 00 1 8286868511 Fax 00 1 8286868533 2012_03_06 17 30 www samsoncorporation com Distributed by...

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