background image

 

 

 

Series GX15 Pneumatic Chemical Injection Pump 

Operating Manual 

 

 

 

CP-MAN-PRD-GX15 

REV05 

EFF. DATE 1/15/17

 

Page 3 of 12 

 

Congratulations! You have chosen the finest, most versatile chemical injection pump made; designed to exacting 
specifications for long life, reliable performance, and low maintenance. To ensure proper operation and to maximize 
the Series GX15 durability, please read and follow this manual. Failure to correctly install and maintain the pump is 
the primary cause of premature pump failure and voids the product warranty. 

NOTE:

 

This IOM applies to the CheckPoint GX15 Chemical Injector Pumps, part number 

for 1/8” plung

er -  

GX15G11C3XXXXX & 

1/4” plunger 

- GX15G12C3XXXXX. 

 

NOTE:

 

Important illustrations, graphs, and charts are located throughout this manual. 

PUMP INSTALLATION 

1.1

 

Process Design & Setup 

1.1.1

 

Before  installation, please  inspect the  pump  carefully. If  the  pump  appears to  have  sustained damage  in 

transit, call your CheckPoint Authorized Distributor or CheckPoint Customer Service directly at (800) 847-7867 or 
(504) 340-0770 to confirm and report damage. If it is determined that damage occurred in transit, a carrier claim 
would be required. 

FIGURE 1: TYPICAL INSTALLATION SCHEMATIC 

 

1.1.2

 

Referring to Figure 1, ensure that all necessary components are present in your injection system and are in 

good working order. All the components shown above are recommended by CheckPoint to maximize pump life and 
productivity.  In  the  event  that  you  have  questions  regarding  best  practices,  or  need  to  purchase  additional 

Summary of Contents for GX15 Series

Page 1: ... Free Zone JAFZA 1 AB810 RAK Technology Park Shed 2 Warehouses 7 8 Mandeville LA 70471 USA Kirkhill Place Kirkhill Industrial Estates PO Box 262131 Al Hamra Industrial Zone 1 504 340 0770 Dyce Aberdeen AB21 0GU Scotland Dubai United Arab Emirates 971 04 880 6278 PO Box 54796 44 0 1224 775205 971 04 880 6278 Ras Al Khaimah United Arab Emirates 971 07 223 9961 Series GX15 Pneumatic Chemical Injectio...

Page 2: ...5 1 3 Connecting the Supply Gas 6 2 PUMP OPERATION 7 2 1 Bleeding Priming the Injector Head 7 2 2 Setting the Pump Stroke Rate 8 3 AIR GAS CONSUMPTION 9 4 PUMP MAINTENANCE 10 4 1 Plunger Seal Replacement 10 4 2 Lubrication 10 5 TROUBLESHOOTING 10 5 1 Pump runs but chemical does not discharge at the correct rate 11 5 2 Pump does not stroke 11 5 3 Pump strokes erratically 12 5 4 Chemical leakage 12 ...

Page 3: ... GX15G12C3XXXXX NOTE Important illustrations graphs and charts are located throughout this manual PUMP INSTALLATION 1 1 Process Design Setup 1 1 1 Before installation please inspect the pump carefully If the pump appears to have sustained damage in transit call your CheckPoint Authorized Distributor or CheckPoint Customer Service directly at 800 847 7867 or 504 340 0770 to confirm and report damag...

Page 4: ...nt water entry such as a 180 degree bend 1 1 5 ALL COMPONENTS AND PIPEWORK BETWEEN THE CHEMICAL TANK AND THE SUCTION CHECK VALVE OF THE PUMP MUST BE 100 BUBBLE TIGHT AND FULLY COMPATIBLE WITH THE CHEMICAL AND WITH EACH OTHER FAILURE TO ADHERE STRICTLY TO THIS DIRECTIVE WILL LEAD TO LOSS OF PRIME AND DAMAGE TO THE PLUNGER AND PLUNGER SEAL 1 1 5 1 All fittings and screw on joints without Teflon tape...

Page 5: ...ge or chemical buildup NOTE Even new chemical tanks can contain debris which may cause system damage Removing foreign debris from suction lines and chemical containers will substantially extend the life of the plunger seal and other pump components NOTE CheckPoint recommends using filtration to ensure a maximum particulate size of 140 microns Multiple stages of filtration should be considered depe...

Page 6: ...ll not stall no matter how much liquid reaches the air gas inlet However certain chemicals including but not limited to methanol and corrosion inhibitor may attack the seals in the pumps motor end and should be removed prior to reaching the pump air gas inlet Alternatively if damaging chemicals or other unusual liquids will be present in the supply gas CheckPoint may be able to supply other motor ...

Page 7: ...overy pressure based on a maximum supply pressure of 150 PSIG is 120 PSIG 2 PUMP OPERATION 2 1 Bleeding Priming the Injector Head NOTE Prior to initial pump operation ensure the suction check valve is connected to adequate chemical supply per Section 1 2 2 1 1 Open the chemical supply block valve 2 1 2 Open the process block valve 2 1 3 Open the air supply block valve CAUTION OTHER THAN DURING BRI...

Page 8: ... in this section 2 2 3 With the pump either running or stopped open the Gauge Fill Valve shown as 4 in Figure 1 The gauge should begin to fill Continue filling until the chemical level is at or near the top markings on the gauge then close the Gauge Fill Valve 2 2 4 With the CheckPoint pump running take note of the level of chemical in the gauge using the appropriate scale for the volume units to ...

Page 9: ...nsumption SCFM 68F Chemical Flow Rate GPH Gas Supply Pressure PSIA English Gas Consumption Factor Gas Consumption Nm3 Hr 0C Chemical Flow Rate LPH Gas Supply Pressure BARA SI Gas Consumption Factor NOTE Gas supply pressure value must be absolute pressure not gauge pressure Absolute pressure gauge pressure atmospheric pressure For reference the Earth s atmospheric pressure at sea level is approxima...

Page 10: ...r end first 4 1 7 Lightly grease the plunger prior to reinstalling the head 4 1 8 Carefully insert the plunger into the seal as the head is reinstalled 4 1 9 Install four head bolts and torque to 18 in lb 4 2 Lubrication The CheckPoint Series GX15 motor was designed to run under completely dry internal conditions However regular lubrication will maximize the life of the pump Lubrication minimizes ...

Page 11: ...at the discharge port may be leaking A leaky discharge port may allow gas under pressure to back into the chemical head 5 1 3 Check valves may have been re located away from the chemical head of the pump The checks must stay directly attached to the head in order to facilitate chemical movement 5 1 4 Chemical may be obstructed from entering the pump Plumbing upstream of the chemical head may have ...

Page 12: ...ger will appear scored and the seal will appear severely worn CheckPoint offers high performance chemical filters appropriate for GX15 Series applications 5 5 Other problems If you are experiencing an operating problem not listed above or if none of the above troubleshooting actions solve your operating problem please contact your Authorized CheckPoint Distributor or call CheckPoint directly at 80...

Reviews: