Burks 4GNB9-3F-AB Centrifugal Pump, Close Coupled, 60 Hz, 1750 RPM, ODP Motor Enclosure, 174 lbs.
|Casing Working Pressure||200|
|Discharge NPT (Inches)||3|
|Heads To (Feet)||95|
|Inlet Pressure (PSI)||100|
|Maximum Operating Temperature||225°F (107°C) - Standard Buna-N Seal|
|Motor Enclosure Type||ODP - Open Drip Proof Enclosure|
|Motor Shaft Material||Steel|
|Shaft Seal Material||Carbon / Ceramic / SS Buna-N|
|Suction NPT (Inches)||4|
|Burks GNB Series - Centrifugal Pump, Base Mounted|
|Materials of Construction|
|Adapter - Bronze Fitted: Cast Iron, All Bronze: Bronze, All Iron: Cast Iron.|
Casing - Bronze Fitted: Cast Iron, All Bronze: Bronze, All Iron: Cast Iron.
Casing Wear Ring - Bronze Fitted: Bronze, All Bronze: Bronze, All Iron: Steel.
Shaft Sleeve: Bronze Fitted: Bronze, All Bronze: Bronze, All Iron: #316 Stainless.
Impeller - Bronze Fitted: Bronze, All Bronze: Bronze, All Iron: Cast Iron.
Shaft Seal: Carbon Ceramic SS Buna-N
|Casing Wear Ring|
|Prevents wear on casing and is easy to replace.|
|Mechanical Shaft Seal Information|
|Mechanical Shaft Seal is self-adjusting for temperatures up to 225°F (107°C) and pressures to 150 psi (1034kpa). Has ceramic seat and carbon seal faces for long trouble-free service. Special seals are available for higher temperatures and fl uids other than water. Tapped opening is provided in the seal chamber or flushing seal faces.|
|Enclosed Bronze Impeller|
|Jacketed Seal Cavity|
|All models, with the exception of the GNA7-2 1/2 and all GN9 series 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 (204°C) and add suffix “MJK” to pump catalog number for temperatures over 400°F (204°C). Example: GNA5-1-1/2-MJ.|
|Radial Split Casing Design|
|Furnished on all complete Base-Mounted units manufactured by Burks Pumps. Not furnished with purchase of pump only, but required.|
|Gasketed Bronze Sleeve|
|Gasketed Bronze Sleeve on GNB and GNC power frames protects the shaft against wear and corrosion. Shaft on GNA power frame in #316 Stainless Steel.|
|Grease lubricated ball bearings provide two years minimum service at maximum load. Average bearing life is five times minimum. Wide bearing spacing provides soild shaft support.|
|Protect both bearings|
|Tapped and plugged openings are conveniently located for easy relubrication of power frame.|
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