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Corken offers several industrial sliding vane pumps for a wide range of vapor pressures, differential pressures, and viscosities. All industrial pumps are equipped with an adjustable internal relief valve and feature self-adjusting sliding vanes and vane drivers to improve pumping efficiency. And, maintenance is simple. Removing the pump cover gives full access to the rotor, cam, sideplates, seals, and bearings. Drive options include gear reducer, V-belt, and hydraulic.

Suitable liquids include but are not limited to aviation fuel, fuel oil, lube oil, solvents, and liquefied gases such as LPG, ammonia, and carbon dioxide.

Each product group below is designed for a certain capacity and working pressure.

CD-Model Sliding
Vane Pumps

  • High pressure design with O-ring construction
  • Mechanically sealed with a silicon carbide seal seat
  • Six vanes and vane drivers
  • Adjustable internal relief valve
  • Replaceable cam, liner, and reversible sideplates
  • Ideal for liquids with high vapor pressures
Operating Specifications
Flow rate: up to 400 gpm (1,514 l/min)
Working pressure: up to 400 psi (27.6 bar)
Differential pressure: up to 125 psi (8.6 bar)
Temperature range: -25 to 225°F (-32 to 107°C)
Viscosity: up to 20,000 SSU (4,250 cSt)

Overview
CD-models are high pressure pumps with O-ring construction, replaceable cam, and reversible sideplates.

  • Multiple pump sizes
  • Designed for high pressure applications with a maximum working pressure of 400 psi (28.6 bar)
  • Foot mounted design
  • Double extended shaft only
  • O-ring construction
  • Six vane design (number of vane drivers varies by model)
  • Mechanically sealed with silicon carbide seal seat
  • Gear reducer and V-belt drive options only
  • Available with NPT connections only
  • Pump casing and heads: Ductile iron
  • Cam and sideplates: Gray iron
  • Rotor and flanges: Ductile iron
  • Seal seat: Silicon carbide
  • O-rings: Buna-N, PTFE, Viton® (Registered trademark of DuPont)
  • Blades: Advanced polymers
  • Self-adjusting sliding vanes maximizes performance
  • Replaceable cam
  • Sideplates are reversible
  • Removing the pump head gives full access to the internals without distrubing the piping
  • Can handle small amounts of vapor
  • The excellent suction lift is great for clearing suction and discharge lines
  • Adjustable internal relief valve
  • Aviation fuels
  • Fuel oils
  • Liquefied gases
  • Lube oils
  • Solvents
  • And many more
  • Terminal
  • Bulk plant
  • Truck and transport
  • Mobile (trailers & portable skid units)

PT-Model Sliding
Vane Pumps

  • Low pressure design with combination of O-ring and gasket construction
  • Mechanically sealed with cast iron seal seat
  • Four or six vanes and vane drivers (depends on the model)
  • Adjustable internal relief valve
  • Cam and sideplates are not replaceable
  • Suitable for petroleum products and industrial solvents
Operating Specifications
Flow rate: up to 263 gpm (995 l/min)
Working pressure: up to 200 psi (13.8 bar)
Differential pressure: up to 125 psi (8.6 bar)
Temperature range: -25 to 300°F (-32 to 149°C)
Viscosity: up to 20,000 SSU (4,250 cSt)

Overview
PT-Models are low pressure pumps with a combination of O-ring and gasket construction. Unlike the CD-models, PT-models do not have a replaceable cam or reversible sideplates.

  • Several pump sizes
  • Designed for low pressure applications
  • Four vane design on the PT20 and six vane design on models PT25 and PT30. Vane drivers on all models.
  • Gasket and O-ring construction
  • Cam is not replaceable and has no sideplates
  • Foot mounted design is used in both stationary and truck configurations
  • Mechanically sealed pump with cast iron seal seat
  • Available with NPT or Weld flanges
  • Drive options: Hydraulic, gear reducer, and V-belt
  • Pump casing and heads: Gray iron
  • Cam and sideplates: Gray iron
  • Rotor and flanges: Ductile iron
  • Seal seat: Cast iron
  • O-rings: Buna-N and Viton® (Registered trademark of DuPont)
  • Blades: Advanced polymers
  • Self-adjusting sliding vanes maximizes pumping performance
  • Hollow rotor design reduces the weight of the pump
  • Removing the pump head gives full access to the internals without disturbing the piping
  • Can handle small amounts of vapor
  • Excellent suction lift is great for clearing suction and discharge lines
  • Comes with adjustable internal relief valve or optional air operated valve (AOV) for high and low flow control
  • Corrosion-resistant internal relief valve is made with nickel plated cast iron
  • Viton® O-rings are standard (Registered trademark of DuPont)
  • Aviation fuels
  • Biofuels
  • Diesel
  • Ethanols
  • Fuel oils
  • Gasolines
  • Lube oils
  • Solvents
  • And many more
  • Terminal
  • Bulk plant
  • Truck and transport
  • Mobile (trailers & portable skid units)

PZ-Model Sliding
Vane Pumps

  • Low pressure design with combination of O-ring construction
  • Mechanically sealed with silicon carbide seal seat
  • Six blades and blade drivers
  • Adjustable interal relief valve
  • Cam is not replaceable
  • Sideplates are reversible
  • Suitable for petroleum products and industrial solvents
Operating Specifications
Flow rate: up to 165 gpm (624.5 l/min)
Working pressure: up to 200 psi (13.8 bar)
Differential pressure: up to 125 psi (8.6 bar)
Temperature range: -25 to 300°F (-32 to 149°C)
Viscosity: up to 20,000 SSU (4,250 cSt)

Overview
PZ-models are low pressure pumps with O-ring construction and reversible sideplates but cam is not replaceable.

  • Available in two pump sizes
  • Designed for low pressure applications
  • Six vanes design with vane drivers
  • O-ring construction
  • Cam is not replaceable but the sideplates are reversible
  • Foot mounted design can be used in both stationary and truck applications
  • Mechanically sealed pump with silicon carbide seal seat 
  • Available with NPT or Weld flanges.
  • Drive option include gear reduced and v-belt
  • Pump casing and heads: Ductile iron
  • Sideplates: Gray iron
  • Rotor and flanges: Ductile iron
  • Seal seat: Silicon carbide
  • O-rings: Buna-N and Viton® (Registered trademark of DuPont)
  • Blades: Advanced polymers
  • Self-adjusting sliding vanes maximizes pumping performance
  • Removing the pump head gives full access to the internals without disturbing the piping
  • Can handle small amounts of vapor
  • Excellent suction lift is great for clearing suction and discharge lines
  • Comes with a internal relief valve or optional air operated valve (AOV) for high and low flow control
  • Stainless steel internal relief valve ensures a long service life
  • Adjustable internal relief valve
  • Aviation fuels
  • Fuel oils
  • Lube oils
  • Solvents
  • And many more
  • Terminal
  • Bulk plant
  • Truck and transport
  • Mobile (trailers & portable skid units)

Hydraulic Option For
Sliding Vane Pumps

  • Ideal for applications with limited space
  • Eliminates alignment issues
  • Forms a compact alignment
  • Available with the PT- and PZ-models only

Hydraulic Drive Option Overview
When an electric motor is not the preferred drive option or space is limited, a hydraulic drive is the solution. This allows the user to mount a hydraulic motor directly to the pump forming a precise compact alignment. The hydraulic drive option is available on all PT- and PZ-Series pumps only. The letter "H" shown in the model number (e.g. PTH or PZH) designates the hydraulic drive option.