PMP100 Circular Type charge pump
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Product details
A4VTG90 New Version Charge Pump
Based on comprehensive technical documentation and supplier specifications, the A4VTG90 New Version charge pump is engineered for high-pressure hydraulic applications, featuring advancements in pressure management, operational flexibility, and structural robustness. Below is a detailed technical overview:
1. Core Technical Parameters
【表格】
Specification Details
Displacement 90 cm³/rev (main pump), 25.7 cm³/rev (integrated boost pump)
Pressure Rating Nominal: 400 bar (5,800 psi)Peak: 450 bar (6,500 psi)
Control Modes Dual-mode operation (HW hydraulic servo / EP electric proportional)
Response Frequency Up to 80 Hz (EP mode)
Rotation Speed Max. continuous: 3,050 rpmLimited max.: 3,300 rpm
Fluid Compatibility Mineral oil, HF hydraulic fluids (special variants support HFC oils)
2. Design Enhancements
• Swashplate Reinforcement
Forged steel swashplate with HV1000 surface hardening, reducing deflection by 40% under load versus prior models.
• Integrated Boost System
Built-in gear-type boost pump (25.7 cm³/rev) with adjustable relief valve (280 bar max), eliminating external pre-charge circuits.
• Dual-Mode Controller
• HW Mode:Hydraulic servo with mechanical feedback, optimized for harsh environmental conditions.
• EP Mode:Electric proportional control with manual override, facilitating IoT integration.
• Modular Flange Interface
Configurable SAE-B/C flange options, compatible with A4VG series main pumps in closed-circuit configurations.
3. Material & Durability
• Housing Construction
High-strength cast iron (optional aluminum alloy housing available for 15% weight reduction).
• Sealing System
Dual-lip PTFE oil seals with Viton® backup rings, rated for 450°C flash points.
• Bearing Configuration
Tapered roller bearings with L10 lifespan exceeding 10,000 hours at rated load.
4.
• RFID Maintenance Tag
Embedded NFC chip logging installation dates, maintenance history, and diagnostic codes.
• Condition Monitoring Port
Optional analog/CANbus output for real-time pressure and temperature monitoring.
5. Typical Applications
• Concrete Machinery
Drum drive systems (e.g., PMH P110 mixers) in closed-loop circuits with A4VG main pumps.
• Mining Equipment
Hydrostatic drives for tracked vehicles, operational in -40°C to 100°C temperature ranges.
• Marine Steering Systems
Redundant pump setups with load-sensing control logic.
6. Compliance & Certifications
• Safety Compliance:ATEX Zone 2 certification, GS explosion-proof approval.
• Quality Standards:ISO 9001:2015, IATF 16949 (automotive-grade subcomponents).
• Environmental:ISO 14064 carbon footprint tracking throughout manufacturing.
| ROTARY FOR PISTON PUMP | |
| Rexroth | A4V,A4VSO,A4VG, A6VM, A7VO, A8VO,A10VSO, A11V,A11VO, A11VL |
| Caterpillar | Cat215/225/235/245 & motor grade 12G/14G/16G Cat320, Cat320C, SPK 10/10, SPV10/10 |
| Komatsu | HPV35/55/90/160 (PC60/120/200/300-3/5) HPV95/132 (PC60/200/220/300- 6/7) KMF90/160 KPV 90/105 (PC200-2) |
| Sauer | PV18/20/21/22/23/24/25/26/27 PV90- 030//042/055/075/100/130/180 /250 PV6/119 PV42-48 MPVO 46 MFTO 35 |
| Hitachi | HPV116/102/105/145 (EX200-1,EX200-5,EX300-1/2/3) HPV091 DW/EW (EX200/220-2/3) PVD-2B 34/36/40/42 |
| Kawasaki | K3V 45/63/112/140/180 DT&BDT KVC 925/930/932 NV 45/50/60/64/70/80/84/90/111/120/137/172/210/237/270 |
| NV 237/270, NVK45 M2X 63/96/120/146/150/170/210 M5X 130/160/180 GM 8/9/10/18/20/24/28/35/38VL | |
| Vickers | PVB 5/6/10/15/20/29/45 PVH 57/74/98/131/140 PVE 19/21 |
| Linde | HPR 100, BPR 80/140/186 BMF 35/55/75/105 BMV 35/55/75/105 |
| HPV 130-01, HMF50/63, BPV 50/75/100, MPR63, B2PV 35/50/75/105 | |
| Uchida | A8VO 55/80/86/107/115/160/172 AP2D 14/21/25/36/38/42 A10VD 17/23/28/40/43/71, AP5S 53/67 |
| Eaton | 3331-006/007, 4621,4631,5421,5431,6423,7620,7621,7862 |
| Liebherr | LPVD 64/75/90/100/125/140/150 |
| Yuken | A37/45/56/70/90/140 |
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
Audited supplier
3 year
Main Product:
hydraulic motor,
gear box,
hydraulic pump,
hydraulic valve ,
hydraulic winch ,
hydraulic system
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