Eaton Vickers Pvq Series Hydraulic Tandem Gear Pump Spares

Eaton Vickers Pvq Series Hydraulic Tandem Gear Pump Spares

Provide comprehensive and reliable maintenance solutions for your Eaton Vickers PVQ series series gear pumps! This series of high-quality spare parts is specially designed for the tandem hydraulic system, covering mainstream models such as PVQ40 and PVQ45, which can precisely meet your Vickers pump spares requirements. Whether it is seal failure, gear wear or housing damage, the selection of original factory-grade Vickers PVQ hydraulic spare components can efficiently repair the pump set, restore its compact, efficient, stable and durable excellent performance, and extend the service life of the entire hydraulic system. ​

Designed specifically for the tandem hydraulic structure, we offer a complete spare parts kit suitable for double gear pumps such as PVQ-PVQ. From gears to seals, ensure that the maintenance standards for the two pump units are consistent to avoid the problem of unbalanced system flow caused by the performance differences of individual pumps. ​

Vickers pump spares are manufactured strictly in accordance with the original factory standards of Eaton Vickers. The dimensional tolerance is controlled within 0.005mm, and the material properties and heat treatment processes are completely consistent with the original parts. Whether it is the fit clearance between the gear and the housing or the compression amount of the sealing parts, they can all be perfectly matched, ensuring smooth installation and reliable operation. ​

Provide key vulnerable parts, covering the core functional modules of the pump set:

• Gear pairs (Gears & Shafts) : high-precision drive gear and driven gear assemblies of specifications such as PVQ40 and PVQ45, with surface hardening treatment (hardness up to HRC 60), wear-resistant and impact-resistant, capable of withstanding continuous high-load operation. ​
• Side Plates/Wear Plates: The optimized bronze or composite material side plates are the key pressure-bearing components in Vickers PVQ hydraulic spare. Its microscopic texture can form an oil film protective layer, reducing internal leakage and increasing volumetric efficiency to over 90%. ​
• Shaft Seals & O-Rings: The high-quality sealing package is made of fluororubber material. It has an oil resistance temperature range of -20℃ to 120℃ and excellent anti-aging performance, effectively preventing cavitation caused by hydraulic oil leakage and air intake. ​
• Pump Housing & Cover Plates: Provide housing repair or replacement parts (if applicable), made of high-strength cast iron to solve the problem of pressure drop caused by wear or impact. ​
• Bearing (Bearings) : High-precision rolling Bearings support the gear shaft, with radial runout controlled within 0.01mm, ensuring smooth gear meshing and reducing operating noise. ​
• Relief Valve Cartridges: factory-calibrated pressure control components (such as pump integrated valves), pressure setting error ≤±1% to prevent system overload. ​

The spare parts are clearly marked with specific pump models such as PVQ40 and PVQ45, and come with detailed compatibility tables to avoid selection errors. Whether replenishing the Vickers pump spares inventory or repairing specific model pump sets, it can be quickly matched to ensure the best performance is restored immediately after installation. ​

Overview of Vickers PVQ Plunger Pump:

1. The Vygos PVQ series plunger pump is a straight shaft variable displacement pump with 9 specifications, which controls the variables through pressure and/or. There are various control methods to choose from, providing great work flexibility. Or flow compensator

2. The Vygos PVQ series plunger pump has low operating noise and can meet today's demanding industrial conditions. This also reduces the noise in systems using PVQ plunger pumps.

3. The Vygos PVQ series plunger pump can operate with various types of hydraulic fluids.

4. The Vygos PVQ series plunger pump comes with a through shaft drive scheme to meet the needs of multiple pump applications and installation

5. The low-noise Wiggs PVQ series plunger pump has excellent working characteristics, and the complete variety of control methods and installation forms allows for the selection of suitable models for any application.

02-341896 PVQ45AR01AB10G1800000100100CD0A

02-341949 PVQ40AR01AB10G2100000100100CD0A

02-341599 PVQ10A2RSS1S20C2112

02-341610 PVQ10-A2R-SS3S-20-CM7-12

02-341646 PVQ13A2RSE1S20C14D12

1. The total reciprocating travel L of the plunger remains constant and is determined by the lift of the cam.

2. The amount of fuel supplied by the plunger in each cycle depends on the fuel supply stroke, which is variable and not controlled by the camshaft.

3. The start time of fuel supply does not change with the change of fuel supply stroke.

4. Turning the plunger can change the timing of the end of fuel supply, thereby changing the amount of fuel supplied.

Precautions (Oil Cleanliness): The correct oil condition is crucial for the long and satisfactory lifespan of hydraulic components and systems. Hydraulic fluids must have the correct balance between cleanliness, materials, and additives (used to protect components from wear, increase viscosity, and clean air).

02-341921 PVQ40AR01AB10J0200000100100CD0A

02-341923 PVQ40AR08AA10H211100A100100CD0A

02-341924 PVQ40AR01AA10G0700000100100CD0A

02-341925 PVQ40AR08AA10G2100000100100CD0A

02-341926 PVQ40AR05AB10G2100000100100CD0A

02-341927 PVQ40AR01AA10G2100000100100CD0A

02-341928 PVQ40AR02AA10H211100A100100CD0A

02-341929 PVQ40AR01AB10G0700000100100CD0A

This pressure compensator automatically adjusts the output flow rate of the pump to maintain the system's flow rate at a pre-selected working pressure. The pump output is maintained at a high flow rate that is approximately 3.4 bar (50 psi) lower than the pressure setting value before starting to decrease. The pressure compensator operates on one side of the center and has an adjustment range indicated in the model code.

Pressure compensator with adjustable large displacement stop

The adjustable large block pressure control allows for external adjustment of the pump's high flow rate from 25% to 100%, while maintaining all standard features of the pressure compensation pump. To assist with initial infusion, the manually adjusted control setting must be at least 40% of the high flow position.

02-347431 PVQ45AR01AB10H1811000100100CD0A

02-347496 PVQ40AR09AB10G2100000200100CD0A

02-347619 PVQ40AR08AA10H211100A400100CD0A

02-347942 PVQ10A2LSE1S20C14D12

02-347973 PVQ10A2RSE1S20C2112S2

02-347978 PVQ20B2RSE1S21CG30S2

Vickers PVQ10 Plunger Pump Remote Control Pressure Compensator:

Same as "C" (pressure compensation option), but allows the machine operator to use remote pilot relief valves such as Eaton's C-175 to change the compensator setting.

This dual range pressure compensator controls the automatic adjustment of the pump's output flow rate to maintain the system's flow rate at one of the two pre-selected working pressures.

The pump output is maintained at a high flow rate of approximately 3.4 bar (50 psi) below one of the pressure control settings before starting to decrease.

The control method and pressure range are indicated in the model code.

Note: The graphic symbols shown include external valves and cylinders to illustrate typical usage.

02-347979 PVQ32B2RSE1S21CG30S2

02-347981 PVQ40AR01AB10H211100A200100CD0A

02-347982 PVQ45AR01AB10H191100A200100CD0A

02-347983 PVQ40AR01AB30J0200000100100CD0A

Vickers PVQ10 Plunger Pump Load Sensing and Pressure Limiting Compensator:

This compensator provides load sensing control under all pressure conditions up to the desired high value. It responds to a remote pressure signal, automatically adjusting the pump flow rate and maintaining the outlet pressure slightly higher than the load pressure. When the pre-set high working pressure is reached, the built-in pressure limiter replaces the load sensing control, reducing the pump displacement. The standard load sensing pressure difference settings for different control methods are as follows. The setting range can be found in the model code.

Standard load sensing and pressure limiting control have a pressure difference of 11 bar (standard factory set value), including discharge orifices for low pressure

Release the load sensing signal under standby conditions. Same as above, but the discharge orifice is blocked. Same as C * * V11B above, but with a factory differential pressure setting of 24 bar.

Same as C * * V11P mentioned above, but with a factory differential pressure setting of 24 bar.

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