Specs
Sizes
2", 2.5", 3" NPT Flange Sizes
Max Capacity
271 (1,026) GPM (L/min)
Max Pressure
Differential: 125PSI (8.6 bar), Working Pressure: 200PSI (13.8 bar)
Max Viscosity
20,000 SSU (4,250 cSt)
Temperature Range
300°F/ 149°C
- Features
- Specs
- Options
- O-ring design delivers maximum sealing capability and is available with optional seal materials.
- Corrosion resistant bypass valve made of nickel plated cast iron.
- Available with a standard bypass valve or an optional air operated valve (AOV) for high and low flow control.
- Additionally, the AOV relieves the pressure in the lines for easier handling of the hose nozzle.
- Reliable mechanical seal design with optional seal materials. Heavy duty ball bearings provide greater durability and strength.
- Hollow rotor helps reduce weight.
- Available with a T-style strainer that keeps your pumping system free from damage caused by welding slag and foreign materials left in the piping or tank.
- Conveniently located drain plug allows you to empty the pump quickly when necessary.
- Positive displacement sliding vane design delivers higher pumping efficiency and a lower noise level.
- The self adjusting vanes extend the life of the pump by compensating for wear.
- Installation is simple since the PT-Series pumps are dimensionally interchangeable with the competition.
- Viton®1 elastomers ensure compatibility with a wider range of fluids such as biodiesel and ethanol blends.
| Part | Standard Material | Available Options | |||
| Case | Cast iron ASTM A48 | ||||
| Head | Cast iron ASTM A48 | ||||
| Flanges | Cast iron ASTM A48 | ||||
| Rotor | Ductile iron ASTM A536 | ||||
| Bearing cap | Steel | Bearing cover / spacer with hydraulic motor adapter (cast aluminum) and coupling (steel) | |||
| Bearings | Ball (single row), grease lubricated to 300°F (149°C) Max. | ||||
| Vanes | Full size with 316 stainless steel wear plate to 240°F (115°C); 20,000 SSU (4,250 cP) max. | ||||
| Bypass valve | Cast iron ASTM A48 electroless nickel plated | ||||
| Bypass/AOV cap | Cast iron ASTM A48 | ||||
| Bypass valve cover | Cast iron ASTM A48 | ||||
| Bypass valve spring | Plated steel | ||||
| Bypass valve spring ranges | 35–125 psi (2.4–8.6 bar) | ||||
| Seal seat | Cast iron | ||||
| Seal metal parts | Steel | ||||
| Shaft | Double end keyed shaft, high strength steel | ||||
| O-rings | Viton®* to 300°F (149°C) | Buna-N to 240°F (115°C) | |||
| Gaskets | Composition to 500°F (260°C) | ||||
| Vane drivers | Case hardened steel | ||||
| Gage ports | 1/4 in. NPT | ||||
*Viton® is a registered trademark of the DuPont company.
Performance Data
| Model | PT20 | PT25 | PT30 | |||
| RPM | 520 | 640 | 520 | 640 | 520 | 640 |
| GPM (L/min) | 58 (220) | 72 (273) | 98 (371) | 120 (454) | 211 (799) | 263 (995) |
| HP (kW) | 2.5 (1.9) | 3.0 (2.2) | 3.8 (2.8) | 5.0 (3.7) | 7.8 (5.8) | 9.5 (7.1) |
*Capacities and horsepower are based on a 100 SSU (22 cP) fluid at 50 psi (3.4 bar) delivered pressure.
Refer to performance curves in the PT-Series sales catalog or the installation, operation and maintenance (IOM) manual for flow rates at other pressures.
