Parker’s Compact Closed Circuit (PC3) Series variable displacement piston pumps are designed for a wide range of closed circuit applications. Flow direction and capacity are controlled by a rugged swash plate and bearing design, and are rated for continuous pressures up to 300 bar (4350 PSl).
PC3 Series piston pumps are available with reliable and durable control options including:
Direct swash plate manual control!
Manual servo control
Hydraulic proportional control
Electric proportional control
With a full range of accessories and through drives, PC Series pumps are designed to meet your unique application needs.
| Parker PC³ Technical Specifications | ||||||||||
| Frame Size 1 | Frame Size 2 | Frame Size 3 | ||||||||
| 07 | 11 | 18 | 20 | 25 | 30 | 35 | 40 | 45 | 52 | |
| Displacement CC/Rev
(CIR) |
7 (0.43) | 11 (0.67) | 18 (1.10) | 20 (1.22) | 25 (1.52) | 30 (1.83) | 35 (2.13) | 40 (2.44) | 45 (2.74) | 52 (3.17) |
| Input Speed (RPM) | ||||||||||
| Minimum | 700 | 700 | ||||||||
| Continuous | 3600 | 3400 | ||||||||
| System Pressure
Bar (PSI) |
||||||||||
| Continuous | 210 (3045) | 300 (4350) | ||||||||
| Peak | 350 (5075) | 300
(4350) |
400 (5800) | |||||||
| Charge Pump Inlet Pressure | ||||||||||
| Minimum Continuous Bar (PSI) Absolute | 0.8 (11.6) | |||||||||
| Cold Startup | 0.5 (7.25) | |||||||||
| Case Pressure
Bar (PSI) |
||||||||||
| Maximum Continuous | 2 (29) | |||||||||
| Cold Startup | 3 (43.5) | 3.5 (51) | ||||||||
| Fluid Viscosity cSt | ||||||||||
| Operating | 15 to 40 | |||||||||
| Minimum | 5 | |||||||||
| Cold Startup | 1000 | |||||||||
| Fluid Operating
Temperature °C (°F) |
0° to 80° (32° to 176°) | |||||||||
| Approximate Weight Kg (lb) | 16.4 (36) | 29 (64) | 32 (70.5) | |||||||
| Moment of Inertia Kg-m²
(slug-ft²) |
0.0014 (0.0010) | 0.0028 (0.0018) | 0.0054 (0.0038) | |||||||
Parker’s Compact Closed Circuit (PC3) Series variable displacement piston pumps are designed for a wide range of closed circuit applications. Flow direction and capacity are controlled by a rugged swash plate and bearing design, and are rated for continuous pressures up to 300 bar (4350 PSl).
PC3 Series piston pumps are available with reliable and durable control options including:
Direct swash plate manual control!
Manual servo control
Hydraulic proportional control
Electric proportional control
With a full range of accessories and through drives, PC Series pumps are designed to meet your unique application needs.
| Parker PC³ Technical Specifications | ||||||||||
| Frame Size 1 | Frame Size 2 | Frame Size 3 | ||||||||
| 07 | 11 | 18 | 20 | 25 | 30 | 35 | 40 | 45 | 52 | |
| Displacement CC/Rev
(CIR) |
7 (0.43) | 11 (0.67) | 18 (1.10) | 20 (1.22) | 25 (1.52) | 30 (1.83) | 35 (2.13) | 40 (2.44) | 45 (2.74) | 52 (3.17) |
| Input Speed (RPM) | ||||||||||
| Minimum | 700 | 700 | ||||||||
| Continuous | 3600 | 3400 | ||||||||
| System Pressure
Bar (PSI) |
||||||||||
| Continuous | 210 (3045) | 300 (4350) | ||||||||
| Peak | 350 (5075) | 300
(4350) |
400 (5800) | |||||||
| Charge Pump Inlet Pressure | ||||||||||
| Minimum Continuous Bar (PSI) Absolute | 0.8 (11.6) | |||||||||
| Cold Startup | 0.5 (7.25) | |||||||||
| Case Pressure
Bar (PSI) |
||||||||||
| Maximum Continuous | 2 (29) | |||||||||
| Cold Startup | 3 (43.5) | 3.5 (51) | ||||||||
| Fluid Viscosity cSt | ||||||||||
| Operating | 15 to 40 | |||||||||
| Minimum | 5 | |||||||||
| Cold Startup | 1000 | |||||||||
| Fluid Operating
Temperature °C (°F) |
0° to 80° (32° to 176°) | |||||||||
| Approximate Weight Kg (lb) | 16.4 (36) | 29 (64) | 32 (70.5) | |||||||
| Moment of Inertia Kg-m²
(slug-ft²) |
0.0014 (0.0010) | 0.0028 (0.0018) | 0.0054 (0.0038) | |||||||
POOCCA Hydraulics is a powerful hydraulic enterprise integrating R&D, manufacturing, sales and maintenance. Its products are exported to more than 120 countries. Its quality, price and service are deeply recognized and trusted by customers.
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