CTP 3G2835 35 VQ Series Cartridge for Hydraulic Vane Pumps

Product Overview

The CTP 3G2835 is a high-quality 35 VQ Series Cartridge specifically designed for hydraulic vane pumps. This cartridge is engineered to deliver reliable and efficient performance in demanding hydraulic systems, making it an essential component for maintaining optimal machinery operation. It features right-hand rotation and is designed without a bushing, providing a robust solution for various applications.

Key Product Parameters

  • Part Number: CTP 3G2835

  • Series: 35 VQ Series (compatible with VQH High Pressure Series)

  • Applicable Pump Models: Model 772, 773, 824C, 826C Hydraulic Vane Pumps

  • Rotation: Right Hand Rotation

  • Bushing: Without Bushing

  • Flow Rate: 30 GPM

  • Components: Assembled rotor, vanes, cam ring, inlet/outlet plates, and seals

Product Advantages and Selling Points

  • Enhanced Performance: Designed for higher pressure (up to 3500 PSI for VQH) and higher speed operation, thanks to an optimized rotor design that significantly enhances pressure capabilities.

  • Increased Stability & Longevity: Features a hydraulic balancing structure within intra-vane pumps, reducing pressure on the stator and leading to more stable performance and extended service life.

  • Low Noise Operation: The twelve-vane system ensures low-amplitude flow pulsation, resulting in a quieter operating hydraulic system.

  • Flexible Operation: Offers various displacement options and shaft configurations with four different outlet positions, providing greater operational flexibility.

  • Ease of Maintenance: The cartridge is designed to be independent of the drive shaft, allowing for convenient field servicing and flow capacity changes without needing to remove the entire pump from its mounting.

  • High Reliability: Manufactured by Costex Tractor Parts (CTP), known for quality and value, ensuring reliable operation under demanding conditions.

Applicable Equipment & Application Scenarios

The CTP 3G2835 35 VQ Series Cartridge is specifically tailored for models 772, 773, 824C, and 826C Hydraulic Vane Pumps. These pumps and their cartridges are critical components in a wide array of heavy-duty machinery across various industries.

Construction

Ideal for excavators, wheel loaders (e.g., related to 980G, 972G models), bulldozers, and other earthmoving equipment where precise and powerful hydraulic control is essential for tasks like digging, lifting, and pushing.

Mining

Used in underground mining loaders and haulers (e.g., R1600, R1300 models) that require robust hydraulic systems to withstand harsh environments and continuous operation for material transport and extraction.

Material Handling

Suitable for large industrial forklifts and other material handling equipment that demand high-pressure hydraulic power for lifting, tilting, and steering heavy loads in warehouses and logistics centers.

Case Study Example: Heavy Excavator Operation

In a large-scale infrastructure project, hydraulic excavators equipped with 772, 773, 824C, or 826C models of vane pumps rely on the CTP 3G2835 cartridge for their boom, arm, and bucket movements. The 30 GPM flow rate ensures rapid response times for digging and loading cycles, while the high-pressure capability supports handling dense materials. The cartridge's design allows for quick field replacement, minimizing downtime and maximizing productivity, a crucial factor in meeting project deadlines.

Related Similar Products

Beyond the 3G2835, Costex Tractor Parts (CTP) and other manufacturers offer a range of VQ series hydraulic vane pump cartridges with varying specifications to meet diverse application requirements. These cartridges are fundamental to the operation of numerous heavy machinery models.

  • 20VQ Series Cartridges: Available in various GPM ratings (e.g., 8, 11, 14 GPM) and rotation options (RH/LH). Commonly found in smaller construction equipment, compact utility machines, and auxiliary hydraulic circuits.

  • 25VQ Series Cartridges: Offered with displacements like 17, 19, 21 GPM, and different bushing configurations. Applicable in medium-sized loaders, agricultural machinery, and industrial presses.

  • 35VQ Series (other displacements): Beyond 3G2835, options like 3G2834 (25 GPM) and 3G2837 (35 GPM) with varying rotations are used in a broader range of heavy equipment requiring moderate to high flow rates.

  • 45VQ Series Cartridges: Providing higher flow rates (e.g., 42, 50, 60 GPM), these are utilized in very large excavators, mining trucks, and specialized industrial applications demanding maximum hydraulic power.

  • Double Vane Pump Cartridges (e.g., 2520VQ, 3520VQ, 4535VQ): These combine two cartridges into a single pump body, offering multiple independent flow circuits for complex hydraulic systems found in multi-functional heavy equipment.

Installation & Maintenance: Common Issues and Solutions

Proper installation and regular maintenance are crucial for the longevity and efficient operation of hydraulic vane pump cartridges. Here are some common issues and their effective solutions:

1. Low Pressure or Flow

Issues: Worn vanes, restricted suction line, clogged filters, internal leaks, incorrect relief valve settings, or air in the system.

Solutions: Inspect and replace worn vanes/cam ring; check for and clear any obstructions in the suction line; clean or replace hydraulic filters; check for and seal any leaks; verify and adjust relief valve settings; bleed air from the hydraulic system.

2. Excessive Noise (Whining, Grinding, Cavitation)

Issues: Cavitation (low inlet pressure, restricted suction, high fluid viscosity), aeration (air ingress from faulty seals or loose connections), worn bearings, misalignment, or improperly tightened cartridge screws.

Solutions: Ensure adequate fluid level and clean fluid; check all pipe connections for air leaks and tighten loose fasteners; verify proper alignment of the pump; inspect shaft seals for damage; ensure cartridge screws are properly torqued; check for fluid contamination.

3. Overheating

Issues: Low reservoir fluid, blocked heat exchanger, internal leaks, fluid contamination, incorrect fluid type/viscosity, or excessive system pressure/duty cycle.

Solutions: Maintain correct hydraulic fluid levels; clean cooling systems and heat exchangers; identify and fix internal leaks; replace contaminated fluid and ensure correct fluid type/viscosity; optimize system pressure and duty cycle to prevent overstressing the pump.

4. Shaft Leaks or Seal Failure

Issues: Hardened or worn shaft seals due to overheating, bearing failure, or external contamination causing grooves on the shaft.

Solutions: Monitor hydraulic fluid temperature to avoid overheating; regularly inspect shaft seals for signs of wear or hardening; replace worn seals promptly with compatible replacements; ensure the shaft is clean and free of abrasive particles during installation.

Always refer to the manufacturer's specific guidelines and maintenance manuals for detailed instructions and safety precautions for your particular equipment model.

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