Is the SALAMI 2PE hydraulic gear pump, type B25B1 compatible with hydraulic fluids between 12â800 cSt (recommended 17â65) and NBR seals?

Yes. The SALAMI 2PE hydraulic gear pump, type B25B1 is compatible with hydraulic fluids having viscosities from 12â800 cSt (with the recommended range 17â65 cSt) and uses NBR seals, according to the product description. The pump is designed for hydraulic systems, with an aluminum body, cast iron mounting plate and rear cover, and NBR sealing suitable for the specified viscosity range.

Can the SALAMI 2PE hydraulic gear pump, type B25B1 operate with fluids outside the recommended 17â65 cSt range (12â800 cSt allowed)?

Yes - the SALAMI 2PE hydraulic gear pump, type B25B1 can operate with fluids outside the recommended 17â65 cSt range, because its specified allowable viscosity range is 12â800 cSt. However, fluids below 17 cSt or above 65 cSt may degrade performance: low-viscosity fluids can reduce volumetric efficiency and increase leakage and wear; high-viscosity fluids can increase start-up torque, reduce flow at speed, raise operating temperature and stress seals (NBR). For reliable, efficient and long-lasting operation stay within the recommended 17â65 cSt whenever possible, and if using fluids near the 12 or 800 cSt limits, verify system design, drive capability and maintenance intervals.

Does the SALAMI 2PE hydraulic gear pump, type B25B1 require special maintenance when using higher viscosity fluids?

Yes. The SALAMI 2PE hydraulic gear pump, type B25B1 does require attention when using higher-viscosity fluids. Key points: - Rated viscosity range is 12â800 cSt, with recommended 17â65 cSt. Operation above the recommended band (but within 800 cSt limit) is possible but not optimal and may affect performance and life. - Higher viscosity increases load on gears and bearings, raising start-up torque and operating temperatures. Expect reduced volumetric efficiency, higher pressure spikes, increased wear, and potential cavitation at low speeds. - Maintenance and operating adjustments to mitigate risks: - Ensure proper warm-up: circulate fluid at low speed/low pressure to reach operating temperature and lower effective viscosity before full-load operation. - Monitor oil temperature and viscosity; avoid cold starts with very thick fluid. - Check and maintain correct fluid level and cleanliness; higher-viscosity fluids can carry more contaminants and promote deposit formationâuse appropriate filtration and change intervals. - Inspect seals (NBR) compatibility with chosen fluidâsome high-viscosity fluids, additives or synthetic bases may affect NBR; monitor for leaks or hardening. - Reduce operating speed or pressure if possible, and avoid prolonged operation at extremes. - Increase frequency of inspections for wear (gears, bearings, housing) and for unusual noise or vibration indicating overload. - Consider pump sizing: if routinely operating above recommended viscosity, evaluate alternative pump selection or drive adjustments to ensure reliable service. In summary: using higher-viscosity fluids within the 12â800 cSt limit is feasible but requires warm-up procedures, closer monitoring, more frequent maintenance, seal compatibility checks, and possibly application adjustments to prevent premature wear and loss of performance.

SALAMI 2PE hydraulic gear pump, type B25B1

All products, Hydraulic pumps/

Additional information

Maximum operating temperature [°C]	85
Minimum operating temperature [°C]	-20

Gear displacement pump (hydraulic), type B25B1, with external gearing, intended for use in hydraulic systems of machines and equipment. Material: body – aluminum, mounting plate and rear cover – cast iron. Sealing: NBR. Liquid viscosity: from 12 cSt to 800 cSt (recommended from 17 to 65).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
SA-2PE13,8S-B25B1	Hydraulic pump 2PE13.8S-B25B1	-	250	In stock	0 zł		Enquiry

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Gear displacement pump (hydraulic), type B25B1, with external gearing, intended for use in hydraulic systems of machines and equipment. Material: body – aluminum, mounting plate and rear cover – cast iron. Sealing: NBR. Liquid viscosity: from 12 cSt to 800 cSt (recommended from 17 to 65).