TKM K Series Installation And Operating
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TKM K Series Installation And Operating

Hydraulic diaphragm pump
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K SERIES
HYDRAULIC
DIAPHRAGM
PUMP
KH Pump Installation and Operating
Instructions Manual
TKM LLC
1059 Triad Court, Suite 1
Marietta, GA, USA, 30062
+1 (770) 943-4922

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  • Page 1 K SERIES HYDRAULIC DIAPHRAGM PUMP KH Pump Installation and Operating Instructions Manual TKM LLC 1059 Triad Court, Suite 1 Marietta, GA, USA, 30062 +1 (770) 943-4922...

  • Page 2: Table Of Contents

    SE FOR THE ............ 8 ERSONAL ROTECTION QUIPMENT FOR NSTALLATION AND AINTENANCE MANUFACTURER’S WARRANTY...................... 8 GENERAL DESCRIPTION OF TKM K SERIES HYDRAULIC DIAPHRAGM PUMP ......9 KH H ......................9 YDRAULIC IAPHRAGM ODELS 4.1.1 The Standard KH Pump............................. 10 4.1.2 The High Viscosity KH Pump ...........................
  • Page 3 TKM K Series Metering Pumps Operation Manual ............................26 LUSHING THE IQUID PUMP COMPONENTS ........................26 ................................26 ........................... 26 TROKE ENGTH DJUSTMENT 8.2.1 Adjusting the Stroke Position .......................... 27 ................................28 IQUID 8.3.1 The Check Valves ..............................28 8.3.2 The KH Plunger and Diaphragm ........................
  • Page 4 Copyright Notice This Operating Instructions Manual and all the technical information provided is property of TKM LLC. This document is protected by U.S. and International copyright laws. Reproduction, modification, or distribution of the manual without written permission from TKM LLC is prohibited.

  • Page 5: Introduction To Tkm K Series Metering Pumps

    Metering Pumps. Correctly following the guidelines presented in this manual will help to: • Avoid dangers to company personnel, machinery, and the working environment. • Ensure the longevity of the TKM Metering Pump and the performance of the system. • Reduce the need for repairs due to mishandling the product.

  • Page 6: Safety Instructions And Guidelines

    Carefully read the instructions in this manual before using TKM Metering Pumps. Please keep these instructions for future use. TKM LLC reserves the right to update or modify the design, features, and components of KH Pumps. The information contained in this instruction manual is thus subject to change without notice.

  • Page 7: Safety Precautions During Maintenance, Servicing, And Installation

    TKM Metering Pumps are allowed to service the TKM equipment. Only genuine TKM spare parts should be used to repair valves or other parts of the TKM Pump. When servicing the connections on the TKM Pump, always confirm that the connections are not under any pressure.

  • Page 8: Personal Protection Equipment For Installation And Maintenance

    • Appropriate atmospheric temperature • Appropriate motor voltage and power If the TKM Pump is to be used for other applications not previously discussed with TKM LLC, the End User must consult with TKM before initiating the new process. 2.6 Personal Protection Equipment for Installation and Maintenance...

  • Page 9: General Description Of Tkm K Series Hydraulic Diaphragm Pump

    TKM Pump, replacing the TKM Pump, or refunding the original purchaser, who may be the End User or the Distributor, but not both, up to the full purchase price. TKM LLC shall not be held responsible for any removal or replacement cost, or any additional consequential damages.

  • Page 10: The Standard Kh Pump

    TKM K Series Metering Pumps Operation Manual 4.1.1 The Standard KH Pump The standard KH Pump is designed and manufactured for use with extremely aggressive and corrosive chemicals. Every KH Pump is fitted with a multilayered diaphragm composed of an EPDM and nylon mesh layer melded together with a PTFE layer.

  • Page 11: The Double Diaphragm Kh Pump

    TKM K Series Metering Pumps Operation Manual Similar to the standard KH Pump, the KH HV has four variations: KH22 HV, KH35 HV, KH57 HV, KH82 HV. All of the KH HV pumps will behave to their standard KH counterparts, reaching the same maximum pressures with their respective liquid ends.

  • Page 12: Kh Hydraulic Diaphragm Pump Standard Features

    Figure 1 - Electrically triggered Diaphragm Rupture Indicator on a PVC KH35 Pump 4.2 KH Hydraulic Diaphragm Pump Standard Features Every KH Hydraulic Diaphragm Pump is shipped from TKM LLC with the following technical features: • Anodized cast aluminum housing, diaphragm chamber, and motor flange •...

  • Page 13: Receiving And Storing A Tkm Pump

    5.2 Storing a TKM Pump If the TKM Pump is not used immediately, the End User should store the pump in a dry, clean, and weatherproof environment. To prevent soil moisture, it is best to place the pump off of the ground on a shelf or on wooden pallets.

  • Page 14: Technical Data

    TKM K Series Metering Pumps Operation Manual To prevent serious injury and damage to the TKM Pump, do not stack multiple pumps together and do not stack anything on the individual pump packages. Ensure that the shelf or alternative location where the pumps are stored can support the weight of the pumps.

  • Page 15: Kh Pump Dimensions

    6.2 KH Pump Dimensions Please refer to the diagram below for the correct dimensions of the standard and high viscosity TKM KH Pumps. All dimensions are formatted in the following way: Inches (millimeters). Figure 2 - KH Pump dimensions 6.3 Temperature The functioning temperature (TEMP) for TKM Hydraulic Diaphragm pumps differs slightly between models.

  • Page 16: Noise Levels

    The following pump model is designated by the notation above (KH35P92CT/2FAHV): A. K series Hydraulic Diaphragm Pump, B. Plunger Diameter 35 mm, C. PVC Liquid End, D. 92 Strokes Per Minute (SPM), E. Ceramic Valve Balls, F. PTFE Valve O-rings, G. 2 Liquid Ends (Duplex), H.
  • Page 17 TKM K Series Metering Pumps Operation Manual o K – Series o H – Hydraulic Diaphragm B. Plunger Diameter – This number determines the diameter of the plunger within the hydraulic chamber in millimeters. This number is considered the size of the pump.

  • Page 18: Kh Standard Components

    Each pump is filled with approximately 1.5 quarts (1.4 liters) of Shell Omala S2 G 68 oil. The KH Pump’s oil should be replaced once a year. TKM recommends replacing the hydraulic oil with Shell Omala S2 G 68. In the case that Shell Omala S2 G 68 is unavailable, the following list provides acceptable alternatives: •...

  • Page 19: Installation

    Do not fasten the pump from any other threaded holes located on the pump. 7.1 Mounting a TKM Pump The following guidelines will assure that the TKM Pump is installed in a location that is ideal for the efficient performance of the pump and convenient for routine maintenance and inspection.

  • Page 20: Figure 3 - Avoid Irregular Piping When Connecting The Suction Line

    TKM K Series Metering Pumps Operation Manual • The pipe leading into the suction side (bottom of the pump) should always be equivalent in size to the pump’s connection. o I.e. a pump with a 1/2-inch suction connection should attach to a 1/2-inch pipe NOTE: The suction piping should never be smaller than the pump’s connection.

  • Page 21: Suction Line Filters

    TKM K Series Metering Pumps Operation Manual Figure 5 - Avoid rounded tubing in suction line to prevent air in suction line Figure 6 - Always run piping through walls or barriers 7.2.1 Suction Line Filters A filter in the form of a basket strainer or y-strainer on the suction piping is always recommended to prevent insoluble substances and debris from entering the pump’s valves.

  • Page 22: Connecting The Discharge Piping

    TKM K Series Metering Pumps Operation Manual Figure 7 - Correctly integrating a Y-strainer on the suction line Figure 8 - Using a foot valve with a strainer when suction line runs into reservoir tank 7.3 Connecting the Discharge Piping The discharge pipe should always be equal in size or larger than the pump suction connection.

  • Page 23: Pressure Relief Valve

    When the pressure relief valve (PRV) is activated, the fluid will relieve from the bottom of the valve. TKM recommends installing a recycling line from the PRV back to the suction reservoir.

  • Page 24: Back Pressure Valve Or Anti-Siphoning Mechanism

    TKM K Series Metering Pumps Operation Manual Note: The pulsation dampener should be installed before the pressure relief valve and the back pressure valve. Always position the pulsation dampener as close to the pump as possible. Figure 10 - Pulsation dampener and back pressure valve Neglecting to install a pulsation dampener may result in erratic flow rates, damage to the piping, or unprecedented pressure buildup.

  • Page 25: Recommended Configuration For Tkm Kh Pump System

    Figure 11 - Using a back pressure valve to avoid unwanted siphoning 7.4 Recommended Configuration for TKM KH Pump System Figure 10 below is the recommended installation arrangement for TKM KH Pumps. Figure 12 - Recommended configuration for TKM Pump system KH OM v.1.8...

  • Page 26: Flushing The Liquid End

    TKM K Series Metering Pumps Operation Manual 7.5 Flushing the Liquid End Always flush the valves whenever the TKM Pump has been turned off. This will prevent the chemical or other fluid from solidifying inside the valves. Flushing the valves will greatly improve their longevity and performance.

  • Page 27: Adjusting The Stroke Position

    TKM K Series Metering Pumps Operation Manual The adjustment knob is fabricated as a 10:1 turn ratio, so that one complete turn of the knob, in either a clockwise or counterclockwise rotation, is equal to 10% of the stroke length. A clockwise rotation will decrease the flow, and a counterclockwise rotation will increase the flow.

  • Page 28: The Liquid End

    TKM K Series Metering Pumps Operation Manual Figure 13 - The adjustment knob reading approximately 25% flowrate 8.3 The Liquid End The Liquid End consists of a hydraulic fluid chamber, a plunger, a diaphragm, a pump head, and suction and discharge valve assemblies. The plunger, which acts as a piston within the hydraulic chamber, is actuated through the particular gear ratio and the eccentric shaft.
  • Page 29 TKM K Series Metering Pumps Operation Manual The TKM KH Hydraulic Diaphragm Pump’s valves are composed of either stainless steel (SS), PVC, or PVDF. There are five distinct pieces that make up each check valve: the ball, the guides, the seat, the valve O-rings and the valve housing.

  • Page 30: The Kh Plunger And Diaphragm

    End will require four AS 220 Viton O-rings and will not require any AS 219 Viton O-rings. 8.3.2 The KH Plunger and Diaphragm The TKM KH Pump is designed with a SAF 2205 duplex steel plunger that fitted for the hydraulic chamber. The plunger acts as a piston within the hydraulic chamber and, along with the hydraulic fluid and diaphragm, is the main source of suction and discharge in the Liquid End.

  • Page 31: The Kh Air Bleed Valve

    TKM K Series Metering Pumps Operation Manual This recirculation of the hydraulic fluid prevents the diaphragm from overextending in situations of excessive pressure. The Pressure Safety Valve is also built to restore the KH Pump to normal working conditions. After a pressure buildup, causing the pump to internally relieve, the Pressure Safety Valve will slowly replenish the hydraulic fluid within the Hydraulic chamber, fully restoring the motion of the diaphragm and the pump flow.

  • Page 32: Replacement Parts And Repair Kits

    TKM K Series Metering Pumps Operation Manual 8.3.5 Replacement Parts and Repair Kits End Users can order replacement Liquid End parts for the KP Pump. Replacement parts include valve repair kits and replacement packing. Please refer to the following table when ordering...

  • Page 33: Repair Kit Contents

    TKM K Series Metering Pumps Operation Manual KH82K – PVDF GPVR13K K-247 Gearing 20spm – 92spm KH82K – PVDF GPVR18K K-247 Gearing 106spm – 138spm 8.3.6 Repair Kit Contents Each pump requires a specific repair kit. The following sections list the contents of each repair kit.
  • Page 34 TKM K Series Metering Pumps Operation Manual Part # Description Quantity K-155 Seat V11 SS K-158 Guide V11 SS S09S050 Ball 1/2" SS V11 S02V120 AS 120 Viton 70 S02V220 AS 220 Viton 70 8.3.6.5 Valve Repair Kit – GPVR13S V13 Stainless Steel...
  • Page 35 TKM K Series Metering Pumps Operation Manual K-133 Seat V8 PVC K-136 Guide V8 PVC S09P037 Ball 3/8" Glass V8 S02V015 AS 015 Viton 70 S02V117 AS 117 Viton 70 S02V210 AS 210 Viton 70 8.3.6.9 Valve Repair Kit – GPVR10P V10 PVC...
  • Page 36 TKM K Series Metering Pumps Operation Manual 8.3.6.12 Valve Repair Kit – GPVR18P V18 PVC Part # Description Quantity K-170 Seat V18 PVC K-173 Guide V18 PVC S09P087 Ball 7/8" Glass V18 S02V120 AS 120 Viton 70 S02V220 AS 219 Viton 70 S02V220 AS 220 Viton 70 8.3.6.13 Valve Repair Kit –...
  • Page 37 TKM K Series Metering Pumps Operation Manual 8.3.6.16 Valve Repair Kit – GPVR10K V10 PVDF Part # Description Quantity K-141 Seat V10 PVDF K-144 Guide V10 PVDF S09P050 Ball 1/2" Glass V10 S02V015 AS 015 Viton 70 S02V117 AS 117 Viton 70 S02V210 AS 210 Viton 70 8.3.6.17 Valve Repair Kit –...

  • Page 38: The Electric Motor

    End User, or the End User can source the motor independently. The motor controls the initial speed of the worm shaft. TKM pumps are all rated at 1750 RPM and require motors that range from 1/2 horsepower – 1 horsepower.

  • Page 39: Startup

    TKM K Series Metering Pumps Operation Manual 7. Mount the motor onto the TKM Pump’s motor flange ensuring that the motor coupling on the motor and the motor coupling on the TKM Pump align directly with one another when mounting.

  • Page 40: Servicing A Tkm Kh Pump

    10. Servicing a TKM KH Pump The TKM KH Pump is manufactured for maximum durability in the field. However, after running for an extended period of time, the KH Pump will require routine maintenance and service including rebuilding the valves and replacing the diaphragm.

  • Page 41: Rebuilding The Check Valves

    TKM K Series Metering Pumps Operation Manual Replacing the valves and the diaphragm when necessary will ensure that the KH Pump continues to perform as expected. 10.1 Rebuilding the Check Valves The KH Pump will require a valve rebuild 12 to 18 months after installation. This process replaces all the components within the valve housings of the pump.

  • Page 42: Replacing The Guides And Seats (Pvc And Pvdf Liquid End)

    9. Place the check valves back into the correct positions and secure into place using the flanges NOTE: The quantity of guides, seats, and balls needed varies between pump models. Please consult with TKM before purchasing replacement valve components. 10.1.4 Replacing the Guides and Seats (PVC and PVDF Liquid End)

  • Page 43: Replacing The Kh Diaphragm

    Please consult with TKM before purchasing replacement valve components. 10.2 Replacing the KH Diaphragm Similar to the check valves, the diaphragm requires replacement every 12 – 18 months. TKM recommends replacing the diaphragm at the same time as the valves.

  • Page 44: Figure 18 - Kh Standard Pump Liquid End

    TKM K Series Metering Pumps Operation Manual 3. Begin to loosen the screws on the front of the Liquid End. 4. Once all the screws have been removed pull the Liquid End off of the pump body. This will reveal the diaphragm.

  • Page 45: Replacing The Kh Double Diaphragm

    Contact TKM for replacement Double Diaphragm components. 10.4 Changing the Hydraulic Fluid TKM recommends changing the hydraulic fluid one time every 12 months. Changing the hydraulic fluid will ensure that the internal components of the pump stay lubricated. Keeping the internal components lubricated will greatly increase the longevity of the TKM Pump.

  • Page 46: Troubleshooting The Tkm Kh Pump

    10.5 Troubleshooting the TKM KH Pump In the event that a TKM Pump begins to malfunction, please follow the troubleshooting guide in order to successfully diagnose the problem. If an issue arises which cannot be diagnosed by Authorized Personnel, the TKM Pump will have to be returned to TKM LLC for repairs.
  • Page 47 TKM K Series Metering Pumps Operation Manual 5. Confirm that the suction and discharge valves are correctly positioned on the Liquid End. Section 10.1 Rebuilding the Check Valves provides instructions on removing and rebuilding the valves. Valve orientation can be found in section 10.1.

  • Page 48: Returning The Tkm Pump For Repairs

    An End User can choose to return the pump to TKM if they believe that servicing the pump themselves may void the Manufacturer’s Warranty.

  • Page 49: Preparing The Tkm Pump For Returns

    An RMA is required to initiate any return to TKM whether the pump is under warranty or not. Please wait until a return request has been accepted before shipping the pump to TKM.

  • Page 50: Contacting Tkm Llc

    TKM K Series Metering Pumps Operation Manual 11. Contacting TKM LLC For any inquiries please contact TKM LLC via email: sales@tkmindustries.com. TKM LLC 1059 Triad Court, Suite 1 Marietta, GA, USA, 30062 +1 (770) 943-4922 KH OM v.1.8 Copyright © 2018 TKM LLC All Rights Reserved...

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