PV046R1K1T1NKCCX5887 Parker PVplus Piston Pump 46cc 350bar

Product Overview

The PV046R1K1T1NKCCX5887 is a Parker Hannifin PVplus (PV+) Series size 46 open-circuit variable displacement axial piston pump with a nominal displacement of 46 cm³/rev, rated continuous working pressure of 350 bar (5000 psi), intermittent peak pressure of 420 bar (6092 psi), maximum speed of 2800 rpm, output flow of 69 L/min at 1500 rpm, input power of approximately 45 kW at 350 bar, maximum input torque of 265 N·m, and weight of approximately 30 kg. The pump employs a swashplate-type axial piston variable mechanism, specifically designed for open-circuit high-pressure heavy-duty applications, with stepless displacement variation via swashplate angle adjustment and output flow proportional to drive speed and displacement.

The PVplus Series is Parker’s classic piston pump platform for heavy-duty industrial applications, covering displacements from 16 to 270 cm³/rev with working pressure up to 5000 PSI (350 bar) and intermittent pressure up to 420 bar. Core engineering features include: high-strength cast iron housing for high reliability and quiet operation; large control piston for fast dynamic response; 100% through-drive torque transmission capability; modular controls for field convertibility; and patented pre-compression chamber (Ripple Chamber) technology to reduce pressure pulsation and noise.

The PV046R1K1T1NKCCX5887 model code decodes as follows: “PV” represents the Parker PVplus Series variable piston pump; “046” denotes nominal displacement of 46 cm³/rev; “R” indicates right-hand rotation (clockwise, viewed from shaft end); “1K1” specifies mounting flange and shaft configuration (SAE-C two-bolt flange, 14-tooth splined shaft); “T1” specifies SAE flange ports; “N” specifies standard pressure compensator; “KCC” specifies pressure compensator control option (with integrated pilot valve); “X5887” is a special configuration code (customer-specific or additional options).

The PV020R1K1T1N is a same-series size 20 model with a nominal displacement of 20 cm³/rev, rated pressure of 350 bar, peak of 420 bar, maximum speed of 3000 rpm, flow of 30 L/min at 1500 rpm, input power of 19.5 kW, maximum input torque of 118.1 N·m, and weight of approximately 19 kg. The PV016R (16 cm³/rev, 3000 rpm, 24 L/min), PV023R (23 cm³/rev, 3000 rpm, 34.5 L/min), PV028R (28 cm³/rev, 3000 rpm, 42 L/min), PV032R (32 cm³/rev, 2800 rpm, 48 L/min), and PV040R (40 cm³/rev, 2800 rpm, 60 L/min) collectively form the complete product matrix across Frame Size 1 and Frame Size 2.

Every PV046R1K1T1NKCCX5887 undergoes 100% simulated duty-cycle testing prior to shipment — covering pressure holding, flow output, compensator response, and internal leakage — ensuring complete drop-in interchangeability with original Parker pumps without installation or plumbing modifications.

Technical Specifications

PV046R1K1T1NKCCX5887 Main Model Specifications:

• Model: PV046R1K1T1NKCCX5887

• Brand: Parker Hannifin

• Series: PVplus (PV+) Series, Frame Size 2

• Pump Type: Open-circuit swashplate axial variable displacement piston pump

• Nominal Displacement: 46 cm³/rev

• Rated Continuous Working Pressure: 350 bar (5000 psi)

• Intermittent Working Pressure (20% duty cycle): 420 bar (6092 psi)

• Maximum Speed (at 1 bar abs inlet): 2800 rpm

• Minimum Speed: 300 rpm

• Output Flow at 1500 rpm: 69 L/min

• Input Power at 1500 rpm, 350 bar: 45 kW

• Maximum Input Torque at 350 bar: 265 N·m

• Control Type: Pressure compensator control (N standard compensator + KCC integrated pilot valve option)

• Pressure Compensator Adjustment Range: 15–350 bar

• Compensator Differential (factory setting): 15±1 bar

• Direction of Rotation: R (clockwise, viewed from shaft end)

• Mounting Flange: SAE-C two-bolt flange

• Shaft Type: 14-tooth SAE splined shaft (12/24 DP)

• Seals: NBR (Nitrile)

• Housing Material: High-strength cast iron

• Weight: Approx. 30 kg

• Case Drain Pressure (continuous): 0.5 bar

• Case Drain Pressure (peak): 2.0 bar

• Inlet Absolute Pressure Range: 0.8–16 bar

• Fluid Cleanliness Requirement: SAE Class 4 (ISO 16/13)

• Recommended Fluid: ISO VG32 / VG46 anti-wear hydraulic oil

• Through-Drive Capability: Yes, 100% torque transmission

PV Series Same-Family Displacement Reference (350 bar rated conditions):

• PV016: 16 cm³/rev, flow at 1500 rpm 24 L/min, input power 15.5 kW, max torque 94.5 N·m, max 3000 rpm, weight 19 kg

• PV020: 20 cm³/rev, flow at 1500 rpm 30 L/min, input power 19.5 kW, max torque 118.1 N·m, max 3000 rpm, weight 19 kg

• PV023: 23 cm³/rev, flow at 1500 rpm 34.5 L/min, input power 22.5 kW, max torque 135.9 N·m, max 3000 rpm, weight 19 kg

• PV028: 28 cm³/rev, flow at 1500 rpm 42 L/min, input power 27.5 kW, max torque 165.4 N·m, max 3000 rpm, weight 19 kg

• PV032: 32 cm³/rev, flow at 1500 rpm 48 L/min, input power 31 kW, max torque 184.3 N·m, max 2800 rpm, weight 30 kg

• PV040: 40 cm³/rev, flow at 1500 rpm 60 L/min, input power 39 kW, max torque 230.4 N·m, max 2800 rpm, weight 30 kg

• PV046: 46 cm³/rev, flow at 1500 rpm 69 L/min, input power 45 kW, max torque 265.0 N·m, max 2800 rpm, weight 30 kg

Data based on Parker PVplus Series official technical specifications.

PVplus Series Control Options:

• MMC: Standard pressure compensator (integrated pilot valve), constant pressure variable control

• KCC: Pressure compensator control with integrated pilot valve (used with N compensator)

• MM1: Standard pressure control with NG6 valve interface (for mounting multiple pressure selectors)

• MMK: Standard pressure control with proportional pilot valve (PVACRE…K35 type)

• Other options: Remote pressure compensation, load sensing, power (torque) limiting, power limiting + load sensing, adjustable maximum displacement stop, electro-hydraulic flow and pressure control

Key Technical Advantages

1. Patented Pre-Compression Chamber Technology — 40–60% Pressure Pulsation Reduction

The PVplus Series features a standard integrated pre-compression chamber (Ripple Chamber), a Parker patented technology that reduces pressure and flow pulsation by 40–60% through optimized commutation area volume design, significantly reducing sine waves capable of loosening hydraulic connections and damaging downstream components. This technology also effectively suppresses pump noise emissions, making PVplus one of the quietest piston pumps available. For injection molding workshops, precision machine tools, and other industrial environments with stringent noise and pressure stability requirements, this feature offers significant advantages.

2. Pressure Compensator Control — Precise Constant Pressure Holding and Energy Savings

The PV046R1K1T1NKCCX5887 is equipped with a standard pressure compensator (N code) combined with the KCC integrated pilot valve option, with a pressure compensation adjustment range of 15–350 bar and a factory differential pressure setting of 15±1 bar. When system pressure reaches the set point, the pump automatically reduces displacement to only leakage flow, achieving constant pressure holding and eliminating relief losses. The modular control design supports rapid field replacement of control modules without pump disassembly. The large control piston design ensures fast dynamic response, suitable for applications with frequent load changes.

3. High-Strength Cast Iron Housing and 100% Through-Drive — Reliable Heavy-Duty Operation

The pump housing is constructed from high-strength cast iron, ensuring structural rigidity and operational reliability at 350 bar continuous working pressure. 100% through-drive capability supports tandem installation of same-series pumps or gear pumps for compact system configurations driven by a single prime mover. The SAE-C two-bolt mounting flange (ISO 3019-1 127-4) and 14-tooth splined shaft are standard configurations, enabling rapid drop-in interchangeability with original Parker PV pumps.

4. High Power Density and Wide Speed Range — Efficient Power Transmission in Compact Structure

The PV046 delivers 45 kW input power and 265 N·m maximum input torque at 1500 rpm and 350 bar, weighing only approximately 30 kg, with power density leading among comparable products. The swashplate axial piston design with optimized rotary group achieves efficient power transmission within a compact structure. With maximum speed of 2800 rpm and minimum speed of 300 rpm, the wide speed range enables meeting diverse operating requirements from low-speed high-torque to high-speed high-flow.

5. Exceptional Field Interchangeability and Flexible Modular Selection

The PV046R1K1T1NKCCX5887 features mounting flange (SAE-C two-bolt), 14-tooth splined shaft, and port layouts conforming to Parker PVplus Series standards, enabling drop-in interchangeability with other PV046 models of the same specification. The PVplus Series covers a wide displacement range of 16–270 cm³/rev within a shared mounting flange system, offering MMC, KCC, MM1, MMK, and other control options for flexible selection in system design and equipment maintenance. The full series requires fluid cleanliness of SAE Class 4 (ISO 16/13), suitable for standard industrial hydraulic system maintenance conditions.

Application Areas

• Injection Molding Machines: Main pump for clamping, injection, and holding pressure circuits, with pressure compensator control enabling energy-saving pressure holding

• Die-Casting Machines: Main hydraulic pump for shot and intensification systems, with high pressure and large flow meeting fast shot demands

• Hydraulic Presses: Four-column and frame-type hydraulic press power sources

• Machine Tools and Tool Machines: CNC lathes, machining centers, and grinding machine clamping, feed, and tailstock drive hydraulic systems

• Metallurgical Equipment: Rolling mill, forging equipment, and continuous casting machine hydraulic power stations

• Marine and Offshore: Deck machinery and steering gear hydraulic systems

• Mining Machinery: Mining excavator and LHD loader auxiliary hydraulic systems

• Material Handling Equipment: Medium forklift and telehandler hydraulic power units

The PV046R1K1T1NKCCX5887 is ideally suited for heavy-duty industrial hydraulic systems requiring 350 bar continuous working pressure and displacements in the 40–46 cm³/rev range — the classic configuration for injection molding machine and press hydraulic power units. The PV020R1K1T1N is suitable for small-to-medium power hydraulic systems requiring 20 cm³/rev displacement and 3000 rpm high-speed capability.

Expert Maintenance Tips

1. Shaft Alignment and Coupling Requirements

Maintain concentricity between the pump shaft and drive shaft within 0.05 mm. Flexible couplings are strongly recommended to accommodate minor angular misalignment. The PV046R1K1T1NKCCX5887 weighs approximately 30 kg — use appropriate lifting equipment during installation and never strike the shaft end. Tighten SAE-C two-bolt mounting flange bolts in diagonal sequence to the specified torque. The 14-tooth splined shaft (12/24 DP) engagement with the drive coupling should ensure sufficient spline engagement length. Couplings must be equipped with protective guards.

2. Pre-Start Priming Procedure (Mandatory)

Before initial startup, the pump must be slowly filled through the case drain port with clean hydraulic oil to ensure adequate lubrication, cooling, and sealing during startup. Operating an axial piston pump dry — even for a few seconds — will score the swashplate, valve plate, and piston slippers, causing immediate total pressure loss and irreversible damage. Start the pump in jog mode until the pump and piping are sufficiently filled and vented. After complete venting, run at low pressure for 5–10 minutes, then gradually increase to rated pressure. The case drain must be on top of the pump, with a separate line unrestricted to the reservoir extending below the oil level.

3. Pressure Compensator Setting and Adjustment

The N standard pressure compensator combined with the KCC integrated pilot valve has an adjustment range of 15–350 bar, with factory differential pressure setting of 15±1 bar. During commissioning, first loosen the lock nut (SW 13), then rotate the adjustment screw with a screwdriver; clockwise rotation increases compensating pressure. Adjustment must be performed with the pump at full displacement and low operating pressure to avoid system pressure oscillation. In multi-pump systems, stagger the compensator settings.

4. Fluid Cleanliness and Filtration

The PV046R1K1T1NKCCX5887 requires fluid cleanliness of SAE Class 4 (ISO 16/13). Use pressure line filters with a filtration ratio β10 ≥ 75 (per ISO 4572). Avoid suction filters, which increase suction resistance and cavitation risk. The case drain line should be independently routed to the reservoir, avoiding shared return lines. Case drain pressure must not exceed 0.5 bar continuous and 2.0 bar peak. ISO VG32 or VG46 anti-wear hydraulic oil is recommended.

5. Restart Procedure After Extended Shutdown

If the pump has been idle for more than 30 days, manually rotate the shaft several turns to verify free rotation before restarting. Check for abnormal leakage at the case drain port. After startup, operate at low pressure for 10–15 minutes until oil temperature reaches normal operating range before applying full load. Regularly inspect the splined shaft and drive coupling engagement during operation, ensuring sufficient spline engagement length.