BEKA PE-120 Pump Element
The BEKA PE-120 pump element delivers a 0.12 cm3 fixed dose per stroke for the EP-1 electric piston grease pump. Some listings call this part “EP 120,” but that name conflates the PE element family with the EP-1 pump; the correct element designation is PE-120. Understanding this naming avoids ordering the wrong replacement for a central lubrication system. See what a central lubrication system includes for more context.
The PE Element Family
- PE-60: 0.06 cm3 fixed dose
- PE-120: 0.12 cm3 fixed dose
- PE-170: 0.17 cm3 fixed dose
- PE-120V: adjustable 0.04 to 0.12 cm3, ships set to the full 0.12 cm3, and each detent (half a turn) reduces the dose by 0.013 cm3
The EP-1 Pump It Powers
The EP-1 is an electric piston grease pump with a motor available in 12 or 24 VDC versions. Its control electronics accept a supply range of 10 to 60 VDC. The pump reaches a maximum operating pressure of 350 bar and works from -35 to +80°C. Reservoir options include transparent versions at 1.9, 2.5, 4, 8, and 16 kg, plus steel versions at 2 and 4 kg. The system feeds a 6 mm grease pipe downstream.
Pressure Behavior
The PE-120 element has a pressure-limiting valve set to 280 bar. The EP-1 pump itself can reach 350 bar maximum operating pressure, so the valve protects the element and downstream distribution components from overpressure before the pump limit is reached. This valve is part of the element.
How a Piston Pump Element Works
A piston pump element displaces a set volume of grease with every stroke, creating the fixed dose delivered to the lubrication circuit. The PE-120 is fixed at 0.12 cm3, while the PE-120V offers adjustable output from 0.04 to 0.12 cm3. For more on element types, see pump element options.
Downstream Distribution and Ordering
The PE-120 element pairs with progressive distributors to divide the dose across multiple lubrication points. When replacing a worn element, order the same PE number, or step to the PE-120V if you need adjustability on the same EP-1 pump. Confirm whether your EP-1 uses a transparent or steel reservoir version at quotation time. Progressive distributor options are listed at BEKA MAX MX-F progressive distributors. For ordering assistance, contact the quotation team.
Frequently Asked Questions
What is the dose per stroke of the PE-120?
The PE-120 delivers a 0.12 cm3 fixed dose per stroke. This dose matches the nominal rating for the PE element family.
Is the PE-120 adjustable?
No, the PE-120 is a fixed displacement element at 0.12 cm3. If you need adjustability, select the PE-120V which spans 0.04 to 0.12 cm3.
What grease grades can the PE-120 pump?
The element handles grease from NLGI 000 through NLGI 2. The EP-1 pump specification covers the same range.
What pipe size does the system feed?
The EP-1 system feeds a 6 mm grease pipe. This PE-120 element is designed for that same piping size.
Why is the element called PE-120 not EP-120?
The element family is PE, while the pump is EP-1. Some listings combine them into EP 120, which conflates the two parts.
What is the pressure-limiting valve setting on the PE-120?
The element includes a pressure-limiting valve set to 280 bar. This valve opens before the pump reaches its 350 bar maximum.
Can the PE-120 element be used on other BEKA pumps?
No, this element is for the EP-1 electric piston grease pump only. Confirm your pump model before ordering the PE-120.
What motor voltages does the EP-1 pump use?
The motor runs on 12 or 24 VDC. The control electronics accept a wider 10 to 60 VDC input range.
What are the reservoir options for the EP-1 pump?
Transparent reservoirs come in 1.9, 2.5, 4, 8, and 16 kg sizes. Steel reservoirs are available in 2 and 4 kg versions.
Who builds and supports this unit?
IsoHiTech Lubrication Systems, founded in 2023, engineering since 2006, builds and supports every unit. Email inquiry@isohitech.com for specifications and a quotation.
For ordering assistance, contact the quotation team. BEKA and BEKA MAX are trademarks of their respective owners. This is an aftermarket pump element, not manufactured, sponsored, or endorsed by BEKA. PE-120, PE-60, PE-170, PE-120V, and EP-1 are BEKA designations shown for cross-reference identification only.
