Tuthill catalog # 0RLEK-7, Cast Iron Rotary Gear Pump, Pump End Only, no motor, with Reversing Feature, Outboard Ball Bearing, standard shaft, Viton mechanical shaft seal and o-ring, Viton elastomers, and 1/2 Inch NPT by 1/2 Inch NPT ports.
Price : $ 993.23
The Tuthill 0RLEK-7 is a Cast Iron Rotary Gear Pump, Pump End Only, no motor, with Reversing Feature, Outboard Ball Bearing, standard shaft, Viton mechanical shaft seal and o-ring, Viton elastomers, and 1/2 Inch NPT by 1/2 Inch NPT ports, replacement pump end only without a Motor. This pump is suitable for equipment, motor, or adapter mounting. Tuthill LE Series cast iron pumps employ the internal gear pumping principle. There are only two moving parts, and the pumping action is based on a rotor, idler gear, and crescent shaped partition cast integral with the cover. This pump features a unique reversing feature design. This design is ideal for rotating equipment and power transmission where direction of flow must remain consistent, even when shaft rotation changes. This pump can be driven in either direction of rotation, unless outfitted with an internal relief valve. This pump does NOT have an internal relief valve, so an external relief valve should be added somewhere on the discharge piping. Please note that this pump is a positive displacement pump and as the pump rotates, liquid is positively delivered to the discharge side of the pump. If the discharge line is closed off, pressure will increase until the drive stalls and/or fails, the pump breaks or ruptures, or the piping bursts. To prevent this from happening, the use of a pressure relief valve is required, or use of an in-line safety relief valve, pressure shutdown switch or other similar device. A relief valve that directs the flow back to the supply tank is recommended. This pump should not be used for handling plain water, corrosive or abrasive liquids or liquids not possessing adequate lubricity. Do not run the pump dry, as this could cause severe damage to the internal seal, bushings and/or metal parts.
Shaft Seal :
Catalog # 1LA9-7, Viton mechanical seal
Price: $ 155.20
Other Parts :
Catalog # 0L81-C, Mounting Foot, L Series
Price: $ 107.20
There are many applications that the Tuthill 0RLEK7 can be used in. These LubeTech Series pumps have set the industry standard for lubrication and circulation applications. This internal gear pump has been engineered to satisfy customers everchanging requirements throughout a wide range of applications. Original Equipment Manufacturers worldwide incorporate Tuthill internal gear pumps into their products for lubrication and transfer service. This widespread acceptance is a result of product performance and reliability. This reliable internal gear pump is ideal for lubricating, lowpressure hydraulic, transfer, circulating, burner oil and many other industrial pump applications. It can be used in Air Conditioning Compressors, Gas Compressors, Gearboxes, Transmissions, Air Compressors, and Engines. This pump incorporates Tuthill's unique Reversing Feature which allows positive reversing action without the use of valves. Port positions remain constant regardless of the direction of shaft rotation. It is ideal for use in power transmission applications where the drive shaft direction changes, but the direction of flow must remain constant. Other applications where shaft rotation is unknown, the reversing feature allows the customer to specify the suction and discharge ports. When shaft rotation changes from counterclockwise to clockwise, the idler carrier including the idler gear and crescent automatically rotates 180 degrees through the suction zone to the position shown in the drawing below. This changes the direction of the flow within the pump without changing port positions. On resumption of counterclockwise rotation, the crescent will swing back to the original position.