Is the TRALE Gear Pump, Positive Displacement, Ø50.8 mm Plate, Right Rotation, Flanged compatible with hydraulic oils L-HM45 and equivalents?

Yes. The TRALE Gear Pump, Positive Displacement, Ø50.8 mm Plate, Right Rotation, Flanged Format is compatible with hydraulic oils L-HM45 and equivalent fluids. The pump description explicitly states compatibility with L-HM45 (or equivalents), supports viscosities from 10 to 600 cSt (optimal 30–45 cSt), and uses NBR seals suitable for typical hydraulic oils. Operating temperature limits for the medium (−20°C to +90°C) and environment (−20°C to +60°C) also align with standard L-HM45 use. Ensure the oil’s viscosity and temperature conditions fall within these ranges for best performance and seal longevity.

Can the TRALE Gear Pump, Positive Displacement, Ø50.8 mm Plate, Right Rotation, Flanged operate reliably at fluid viscosities outside the optimal 30–45 cSt range?

Yes. The TRALE Gear Pump, Positive Displacement, Ø50.8 mm Plate, Right Rotation, Flanged can operate reliably outside the optimal 30–45 cSt range because it is specified to support fluid viscosities from 10 cSt to 600 cSt. However, note the following practical implications: - 10–30 cSt (lower viscosities): Expect reduced volumetric efficiency, higher internal leakage and potential for increased wear and noise; ensure adequate system pressure, proper shaft sealing (NBR limits) and avoid running at very low speeds to maintain lubrication. - 45–600 cSt (higher viscosities): Higher torque and power demand, increased temperature rise, and potential for cavitation at low speeds; verify drive capacity and consider preheating to lower viscosity for cold starts and ensure operating temperature stays within the pump’s -20°C to +90°C medium range. - Continuous reliable operation is most likely when the pump is sized and operated within manufacturer recommendations (speed, pressure, and temperature) and when hydraulic oil equivalents (e.g., L-HM45) and proper maintenance are used. In summary: Yes, it can work across 10–600 cSt, but for long-term reliability and efficiency, remain as close as practical to the 30–45 cSt optimal window and adjust operating conditions for fluids outside that range.

TRALE Gear Pump, Positive Displacement, Ø50.8 mm Plate, Right Rotation, Flanged

All products, Hydraulic pumps/

Additional information

Maximum operating temperature [°C]	90
Minimum operating temperature [°C]	-20

The TRALE external gear displacement pump is a reliable solution designed for hydraulic systems in a wide range of industrial machines and equipment. Featuring a robust aluminum body combined with a cast iron mounting plate and rear cover, it ensures durability and resistance to demanding operating conditions. The pump is equipped with flange connections and operates with a right-hand rotation, delivering consistent performance under continuous working pressure. High-quality NBR sealing guarantees leak-free operation, while compatibility with hydraulic oils such as L-HM45 or equivalents provides flexibility in application. The unit supports fluid viscosities from 10 cSt to 600 cSt, with an optimal range of 30 to 45 cSt, ensuring efficiency and long service life. Designed to perform reliably in temperatures from -20°C to +90°C for the medium and -20°C to +60°C for the environment, this pump offers dependable operation even in challenging conditions. Its precise engineering makes it an excellent choice for professionals seeking efficiency, durability, and consistent hydraulic power.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TL-BTD3220D02	Gear pump, size 3, 22 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry
TL-BTD3260D02	Gear pump, size 3, 26 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry
TL-BTD3280D02	Gear pump, size 3, 28 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry
TL-BTD3340D02	Gear pump, size 3, 34 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry
TL-BTD3390D02	Gear pump, size 3, 39 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry
TL-BTD3430D02	Gear pump, size 3, 43 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry
TL-BTD3460D02	Gear pump, size 3, 46 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry
TL-BTD3510D02	Gear pump, size 3, 51 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry
TL-BTD3550D02	Gear pump, size 3, 55 cm3/rev, plate 50.8 mm, with collar.	-	200	In stock	Enquiry

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The TRALE external gear displacement pump is a reliable solution designed for hydraulic systems in a wide range of industrial machines and equipment. Featuring a robust aluminum body combined with a cast iron mounting plate and rear cover, it ensures durability and resistance to demanding operating conditions. The pump is equipped with flange connections and operates with a right-hand rotation, delivering consistent performance under continuous working pressure. High-quality NBR sealing guarantees leak-free operation, while compatibility with hydraulic oils such as L-HM45 or equivalents provides flexibility in application. The unit supports fluid viscosities from 10 cSt to 600 cSt, with an optimal range of 30 to 45 cSt, ensuring efficiency and long service life. Designed to perform reliably in temperatures from -20°C to +90°C for the medium and -20°C to +60°C for the environment, this pump offers dependable operation even in challenging conditions. Its precise engineering makes it an excellent choice for professionals seeking efficiency, durability, and consistent hydraulic power.