PAH50
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DIAPHRAGM PUMPS CHOOSE THE PUMP THAT FITS YOUR NEEDS! HOW IT WORKS c s Diaphragm Pumps are one of the oldest pumping techniques employed by man. Mechanically similar to a plunger, the diaphragm pump bowl is filled when the diaphragm rises, and cleared when the diaphragm compresses. The reciprocating action causes the suction/discharge valve to fully open and close. Oversized inlet/outlets allow Keco’s diaphragm pumps to pass 1.5" solids. This simple and effective pump has proven to be a reliable and durable workhorse throughout the world's busiest marinas. | COMPARE IT TO OTHERS | Keco’s self-priming diaphragm pumps are based on a time-tested design that has been on the market for over 30 years. Keco diaphragm pumps are assembled using only 300-grade stainless steel hardware. All exposed surfaces are triple coated using zinc, epoxy and urethane to withstand the most difficult marine environment. Nitrile encapsulated full-opening swing check valves gives the Keco diaphragm pump its impressive solids handling ability. The Nitrile valves are completely protected from corrosion and ensure a consistent and reliable seal year for many years.

Keco developed a pump that would stand up to a wide variety of liquids, and be able to handle the most severe environmental conditions imaginable. Although initially targeting marine applications, Keco’s diaphragm pump has proven itself effective as a versatile multi-purpose pump. Keco’s diaphragm pump has the ability to pump everything from mud to concrete slurry. The self-priming diaphragm pump is able to run dry without damage. Keco offers a variety of pump options to meet your needs. Please allow our staff to assist you in determining the most effective options, which are right for you....

Model 50 & 55 Diaphragm Pump Capacity & Dimensions S=Straight through fittings 90°= Ninety degree elbow on discharge Optional Handles (pair) = 11 lbs. Design Considerations • The pump shall be designed for viscous material handling, sanitary waste, slurries and solids up to 1%” spherical diameter. • The 8” diaphragm to be of Neoprene** reinforced with 2-ply nylon. Two cast aluminum plates support the diaphragm. • The motor shall drive an eccentric with a stainless steel stud. A stainless steel drive rod plunges the diaphragm using a lubricated spherical rod end bearing. • Weighted...

FRONT NOTES: 3/4 HP TEFC MOTOR DEPICTED ALTERNATE MOTORS AVAILABLE ORIENTATION 1 SHOWN THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF KECO PUMP AND EQUIPMENT. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF KECO PUMP AND EQUIPMENT IS PROHIBITED. UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN INCHES TOLERANCES: FRACTIONAL 1/32 ONE PLACE DECIMAL .1 TWO PLACE DECIMAL .03 THREE PLACE DECIMAL .020 ANGULAR .5 DRAWN REVISION # KECO PUMP AND EQUIPMENT WWW.PUMPAHEAD.COM PART NUMBER - TITLE 50 E SERIES SINGLE DIAPHRAGM VIEW 1

FRONT NOTES: 3/4 HP TEFC MOTOR DEPICTED ALTERNATE MOTORS AVAILABLE ORIENTATION 3 SHOWN UNLESS OTHERWISE SPECIFIED: THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF KECO PUMP AND EQUIPMENT. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF KECO PUMP AND EQUIPMENT IS PROHIBITED. DIMENSIONS ARE IN INCHES TOLERANCES: FRACTIONAL ± 1/32 ONE PLACE DECIMAL ±.l TWO PLACE DECIMAL .03 THREE PLACE DECIMAL .020 ANGULAR ±.5 KECO PUMP AND EQUIPMENT ECO WWW.PUMPAHEAD.COM DATE: 5/5/2015 PART NUMBER - TITLE 50 E SERIES SINGLE DIAPHRAGM VIEW 3 DIMENSION: INCHES / (XX)...

NOTES: DRAWN PROPRIETARY AND CONFIDENTIAL THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF KECO PUMP AND EQUIPMENT. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF KECO PUMP AND EQUIPMENT IS PROHIBITED. UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN INCHES TOLERANCES: FRACTIONAL ± 1/32 ONE PLACE DECIMAL ±.1 TWO PLACE DECIMAL .03 THREE PLACE DECIMAL .020 ANGULAR ±.5 KECO PUMP AND EQUIPMENT ECO WWW.PUMPAHEAD.COM PART NUMBER - TITLE PUMP BOWL ORIENTATIONS DIMENSION: INCHES / (XX) MM SCALE:1:10 SHEET 2 OF 5

MOTOR NOTES: MAIN COMPONENTS EXPLODED VIEW DRAWN PROPRIETARY AND CONFIDENTIAL THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF KECO PUMP AND EQUIPMENT. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF KECO PUMP AND EQUIPMENT IS PROHIBITED. UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN INCHES TOLERANCES: FRACTIONAL ± 1/32 ONE PLACE DECIMAL ±.1 TWO PLACE DECIMAL .03 THREE PLACE DECIMAL .020 ANGULAR ±.5 KECO PUMP AND EQUIPMENT ECO WWW.PUMPAHEAD.COM DATE: 5/5/2015 PART NUMBER - TITLE 50 E SERIES SINGLE DIAPHRAGM MATERIAL DIMENSION: INCHES / (XX) MM...

NOTES: DIAPHRAGM ROD-CAMBLOCK -GEARBOX-MOTOR EXPLODED VIEW PROPRIETARY AND CONFIDENTIAL THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF KECO PUMP AND EQUIPMENT. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF KECO PUMP AND EQUIPMENT IS PROHIBITED. UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN INCHES TOLERANCES: FRACTIONAL ± 1/32 ONE PLACE DECIMAL ±.1 TWO PLACE DECIMAL .03 THREE PLACE DECIMAL .020 ANGULAR ±.5 KECO PUMP AND EQUIPMENT ECO WWW.PUMPAHEAD.COM DATE: 5/5/2015 PART NUMBER - TITLE 50 E SERIES SINGLE DIAPHRAGM MATERIAL DIMENSION: INCHES /...

NOTES: Available Diaphragms* V0022.000 - Neoprene V0022.HYP - Hypalon V0022.NIT - Nitrile (Buna-N) PROPRIETARY AND CONFIDENTIAL UNLESS OTHERWISE SPECIFIED: DRAWN REVISION # THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF KECO PUMP AND EQUIPMENT. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF KECO PUMP AND EQUIPMENT IS PROHIBITED. DIMENSIONS ARE IN INCHES TOLERANCES: FRACTIONAL ± 1/32 ONE PLACE DECIMAL ±.1 TWO PLACE DECIMAL .03 THREE PLACE DECIMAL .020 ANGULAR +.5 MATERIAL KECO PUMP AND EQUIPMENT IECO WWW.PUMPAHEAD.COM PART NUMBER - TITLE DIAPHRAGM...