High Performance Coro-Vane® PTO Pump
One Year Manufacturer Warranty

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Corken PZ-Series High Performance Coro-Vane® PTO Pump

2 in. or 2-andfrac12; in. Inlet/Outlet, 161 MAX GPM, 20,000 MAX SSU, 800 MAX RPM, For Petroleum and Industrial Solvents

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Select Model & Quantity:

Model # Description Price Qty
PZ7 2 in. Inlet/Outlet, 105 MAX GPM, 20,000 MAX SSU, 800 MAX RPM, For Petroleum and Industrial Solvents $2,712.71
PZ10 2-1/2 in. Inlet/Outlet, 161 MAX GPM, 20,000 MAX SSU, 800 MAX RPM, For Petroleum and Industrial Solvents $2,921.10
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Corken - PZ-Series - High Performance Coro-Vane® PTO Pump

The pricing offered on our website for this pump model includes the standard options. Click Here to see the other options available, call us at 1-800-433-8831 for assistance and pricing.

PZ-Series Coro-Vane® Petroleum Pumps
The PZ-Series Coro-Vane® Petroleum pumps are a positive displacement vane design. They produce a maximum differential pressure of 125 psig (8.6 bar) and a maximum working pressure of 200 psi (13.8 bar). Corken manufactures two sizes of PZ-Series Coro-Vane® pumps with a capacity up to 161 GPM (609 L/min).

Applications
Typical applications for the PZ-Series Coro-Vane® pumps include fuel oil delivery trucks and stationary applications involving refined petroleum products and industrial solvents.

Features and Benefits

  • Bundled Packages Available: Includes a Corken pump and Liquid Controls meter and register for assured system compatibility.
  • Flange to Flange "Bolt-In" Replacement for Other Truck Pumps: Simplifies retrofit installations on most fuel oil trucks.
  • Nonmetallic Vane Driver Design: Does not penetrate or damage the vane even at high RPM.
  • Reversible Sideplates: Corken's sideplates are designed to be used on both sides which extends the service life of the pump.
  • Maintenance Made Simple: By removing only eight bolts, you have easy access to the sideplate, mechanical seal, and vanes.
  • Conveniently Located Drain Plug: Enables you to easily remove residual fluids before performing system maintenance.
  • Ductile Iron Construction: Provides superior mechanical properties for the pump casing and heads.
  • Two Bypass Options: For mobile applications, the pump is equipped with a standard bypass valve or an Air Operated Valve (AOV) for high and low flow control.

Mounting Options
The PZ-Series is currently available with two mounting options: belt drive for stationary applications and hydraulic drive for mobile transfer applications. The PZ-Series are designed to run up to 800 RPM.

Multi-Product Package Offering
As part of our continuous effort to expand into new markets, Corken has teamed up with Liquid Controls, a specialist in fluid measurement, to offer a new line of PZ-Series Coro-Vane® (rotary vane) pumps for petroleum tank wagons. Liquid Controls strong presence in the petroleum market provides Corken with a tremendous opportunity for growth. The Liquid Controls meter and electronic register, combined with the superior performance of Corken's new PZ-Series petroleum pump can now be specified from participating distributors and truck builders.

Operating Specifications
Standard connections: 2 or 2-½ in. NPT
Optional connections: 2 or 2-½ in. Slip-on Weld, BSPT
Maximum differential pressure: 125 psid (8.6 bar)
Operating temperature range: -25°F to 225°F (-32 to 107°C)
Maximum working pressure: 200 psid (13.8 bar)
Maximum speed: 800 RPM
Fluids: For refined petroleum products and industrial solvents


Material Specifications
Part Models Material
Case, head, flanges All Ductile iron ASTM A536
Rotor, bearing cap All Ductile iron ASTM A536
Sideplate All Cast iron Class 30
Vanes & vane drivers All Advanced polymer
Bypass valve All 17 - 4 PH Stainless steel
Bypass spring All Steel
Seal seat All Cast iron (standard)
Stainless steel (optional)
Ni-Resist (optional)
Seal metal parts All Steel
Shaft All Steel
Thrust bearing All Steel
O-rings All Viton®1 (standard), Buna-N (optional)

1Viton® is a registered trademark of the DuPont Company.


























PZ7 Petroleum Pump-Performance Charts1




Pump Speed Differential Pressure Nominal Flowrate Brake Hp Required Torque Required
RPM psi bar gpm L/min bhp kW in•lbs N•m
800906.2983716.85.053660.5
800503.41053973.82.229933.8
640906.2782955.54.154261.2
640503.4843183.12.330534.5
575906.2702734.93.753760.7
575503.4752842.72.029633.4
420906.2511823.62.754061.0
420503.4551972.01.530033.9

1These curves depict performance of the PUMP ONLY. Performance will vary in applications due to system design and variables. Approximate capacities and horsepowers are based on 38 SSU (3 cP) fluid.







Pump Speed Differential Pressure Nominal Flowrate Brake Hp Required Torque Required
RPM psi bar gpm L/min bhp kW in•lbs N•m
800906.215257510.37.781191.7
800503.41616095.74.344950.7
640906.21214588.26.180891.2
640503.41284854.63.445351.2
575906.21094137.35.480090.4
575503.41154354.13.144950.8
420906.2803035.44.081091.6
420503.4853213.02.245050.9

1These curves depict performance of the PUMP ONLY. Performance will vary in applications due to system design and variables. Approximate capacities and horsepowers are based on 38 SSU (3 cP) fluid.

The following table specifies the standard options for each model.1

Base Model # PZ7 PZ10
Strainer Not Included
Bypass Valve Standard Valve
Bypass valve Spring 75 - 110 psi
Seal O-ring Material Viton®
Seal Seat Material Cast Iron
Inlet Flange 2 in. NPT 2.5 in. NPT
Outlet Flange 2 in. NPT 2.5 in. NPT
GPM (L/min) 105 (371) 161 (609)
RPM 800

1The pricing offered on our website for this pump model includes the standard options. Click Here to see the other options available, call us at 1-800-433-8831 for assistance and pricing.

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