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GNA5-1-1/4

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Burks GNA5-1-1/4 Frame Mounted End Suction Pump, Close Coupled. Bronze Fitted, 1 1/2" Suction & 1 1/4" Discharge & Carbon / Ceramic / SS Buna-N Shaft Seal.

$1,633.50

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Item: GNA5-1-1/4

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Repair Parts

GNA5-1-1/4

Burks GNA5-1-1/4 Frame Mounted End Suction Pump, Close Coupled. Bronze Fitted, 1 1/2" Suction & 1 1/4" Discharge & Carbon / Ceramic / SS Buna-N Shaft Seal.

Adapter Material	Cast Iron
Casing Material	Cast Iron
Casing Working Pressure	250
Discharge NPT (Inches)	1-1/4"
Impeller Material	Bronze
Inlet Pressure (PSI)	100

Material	Bronze Fitted
Maximum Operating Temperature	225°F (107°C) - Standard Buna-N Seal
Motor Shaft Material	316 Stainless Steel
Shaft Seal Material	Carbon / Ceramic / SS Buna-N
Suction NPT (Inches)	1-1/2"

GNA5-1-1/4 Series Information

General Description
Burks GNA5 Series - Base Mounted Centrifugal Pump, Base Mounted
Materials of Construction
Adapter - All Iron: Cast Iron, Bronze Fitted: Cast Iron, All Bronze: Bronze, Stainless Steel: 316 Stainless Steel Casing - All Iron: Cast Iron, Bronze Fitted: Cast Iron, All Bronze: Bronze, Stainless Steel: 316 Stainless Steel Casing Wear Ring - All Iron: Steel, Bronze Fitted: Bronze, All Bronze: Bronze, Stainless Steel: 316 Stainless Steel Impeller - All Iron: Cast Iron, Bronze Fitted: Bronze, All Bronze: Bronze, Stainless Steel: 316 Stainless Steel Shaft: 316 Stainless Steel Shaft Seal: Carbon Ceramic SS Buna-N
Four Position Casing
Discharge can be located in any of four positions. Casing is close grain iron of 30,000 psi minimum tensile strength. Back pull-out design eliminates the need to disturb piping should the pump ever require service - the casing stays in the line. Openings are provided for test gauges, for venting and for draining the pump.
Casing Wear Ring
Prevents wear on casing and is easy to replace.
Easy To Service
Taking out only 4 cap screws allows removal of pumping assembly without disturbing piping.
Mechanical Shaft Seal Information
Standard self-adjusting shaft seal for temperatures up to 225°F (107°C) and pressures to 150 psi (1034kpa). Ceramic seat and carbon seal face for long trouble-free service. Special seals are available for higher temperatures and fluids other than water.
Factory Tested
After careful assembly and inspection, EVERY pump is factory tested and will meet Hydraulic Institute standards.
Enclosed Bronze Impeller
Enclosed Bronze Impeller is of the latest hydraulic design for maximum effi ciency. It is balanced for vibration-free operation and threaded onto stainless steel motor shaft.
Jacketed Seal Cavity
Series GNA5-1-1/4 and and all G6-1-1/4 pumps are available in a Jacketed Seal Cavity design for pumping hot oil, hot water and heat transfer fluids in common use in high temperature heating or cooling applications. This feature greatly extends seal life in high temperature applications. To order, add suffix “MJ” to pump catalog number for temperatures below 400°F (240°C) and add suffix “MJK” to pump catalog number for temperatures over 400°F (240°C). Example: GNA5-1-1/4MJ.
Coupling Guard
Furnished on all complete Base-Mounted units manufactured by Burks Pumps. Not furnished with purchase of pump only, but required.
Installation
Horizontal, vertical or on an angle.

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Type	Title		Link
	Burks Series GNA5-1 1/4 Centrifugal Pump Datasheet		View
	Burks Series GNA5-1 1/4 Centrifugal Pump Manual		View
	GNA5-1-1/4 & GNA6-1-1/4 Series Parts Breakdown Exploded View		View