Positive Machines

Used Positive Equipment

Positive displacement pumps utilize two counter-rotating lobes (driven by a common drive) to push product through. The product fills the space between the lobes and as the lobes rotate, the product is trapped between the rotating lobes and the interior of the pump’s head casing thereby moving the product forward. As the product reaches the discharge side of the pump, a lobe from the other half of the pump perfectly interlocks in the space between the lobes which displaces (positive displacement) the liquid that was between the lobes out of the pump. All increasing efficiency, these types of pumps include rotary, reciprocating, curve, small, vacuum, oil and animation pumps from manufacturers such as Waukesha.

Positive displacement pumps are rated for speed in product per minute (typically ranging from 1 – 300 gallons per minute depending on materials, application and machine configuration) and working pressure or psi.  They are usually capable operating both clockwise, or counter clockwise – and equipped with a spring loaded internal bypass pressure valve vented cover.

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Positive Equipment In Stock

Sine / Watson Marlow Pump Positive MR130

Sine Model MR130, Positive displacement pump with 316 stainless steel contact parts. Rated from 1 to 74 gallons of product per minute – depending on materials, application and machine configuration. 200 psi maximum working pressure, temperature range of – 40 Deg F to 200 deg f standard and up to 266 deg F with hot clearence rotors / stators and viton seals and capable operating both clockwise, or counter clockwise. Equipped with (2) 3½" OD / 3" ID Tri-clamp style product charge / discharge with " ground clearance. Powered by 2 Hp drive with a 13.95:1 ratio gearbox for a current rate of up to 9.8 gallons per minute. Mounted on 42" long x 20" wide frame with caster and control panel.

OAD: 42" L x 20" W x 44" H

Get a Free Quote Call: 630-629-9900

Unibloc / May River Capital Pump Positive PD550

  • Model Number: PD550
  • Frain Number: R35655

Unibloc, Model PD550, Positive displacement pump with 316 stainless steel contact parts. Rated from 20 to 225 gallons of product per minute – depending on materials, application and machine configuration. 500 psi maximum working pressure, temperature range of 400° F and capable operating both clockwise, or counter clockwise. Equipped with a 3½" OD / 3" ID Tri-clamp style product charge / discharge with 12" ground clearance and variable speed controller. Powered by a 7½ Hp drive with a 4.43:1 gear ratio for a current maximum rate of 113.8 gallons / minute. Mounted on a 40" long x 16" wide stainless steel cart with casters.

OAD: 57"L x 19"W x 39"H

Get a Free Quote Call: 630-629-9900

Unibloc / May River Capital Pump Positive PD550

  • Model Number: PD550
  • Frain Number: R35654

Unibloc, Model PD550, Positive displacement pump with 316 stainless steel contact parts. Rated from 20 to 225 gallons of product per minute – depending on materials, application and machine configuration. 500 psi maximum working pressure, temperature range of 400° F and capable operating both clockwise, or counter clockwise. Equipped with a 3½" OD / 3" ID Tri-clamp style product charge / discharge with 12" ground clearance and variable speed controller. Powered by a 7½ Hp drive with a 4.43:1 gear ratio for a current maximum rate of 113.8 gallons / minute. Mounted on a 40" long x 16" wide stainless steel cart with casters.

OAD: 57"L x 19"W x 39"H

Get a Free Quote Call: 630-629-9900

Unibloc / May River Capital Pump Positive PD500

  • Model Number: PD500
  • Frain Number: R35652

Unibloc, Model PD500, Positive displacement pump with 316 stainless steel contact parts. Rated from 10 to 170 gallons of product per minute – depending on materials, application and machine configuration. 500 psi maximum working pressure, temperature range of 400° F and capable operating both clockwise, or counter clockwise. Equipped with a 3" OD / 2½" ID Tri-clamp style product charge / discharge with 12" ground clearance and variable speed controller. Powered by a 5 Hp drive with a 4.43:1 gear ratio for a current maximum rate of 87.5 gallons / minute. Mounted on a 40" long x 16" wide stainless steel cart with casters.

OAD: 57"L x 19"W x 39"H

Get a Free Quote Call: 630-629-9900

Loma Metal Detector Conveyor PD400 Loma Metal Detector Conveyor PD400 Unibloc / May River Capital Pump Positive PD400

  • Model Number: PD400
  • Frain Number: R35650

Loma, Model IQ4, automatic, in line, stainless steel, metal detector with number of product per minute – depending on materials and application. Working Aperture: 6" in Height; 17" in Width. Equipped with 15¾" wide x 70" long Intralox product conveyor with push arm reject and variable speed controls. Sensitivities: depending on product, container and environment being run in. Temperature range: -10 to +40 Deg C, 14 to 104 Deg F. Ethernet and USB capable. Touch pad controls with display. Mounted on (4) leg base frame.

OAD: 72"L x 54"W x 49"H

Get a Free Quote Call: 630-629-9900

Murzan Pump Positive PI-50

  • Manufacturer: Murzan
  • Model Number: PI-50
  • Frain Number: 5H9910

Murzan Model PI-50, Sanitary, stainless steel, 55 gallon drum unloader with number of drums per hour – depending on materials, application and operatory dexterity. Equipped with Model DUS7IM4X4 stainless steel double diaphragm pump with (2) pneumatic cylinders with approx. 52" stroke and 4" OD sanitary piping reduced to 3" OD and has 22" stainless steel follower plate. Oil free air valve, roller conveyor and drum centering section. Capable of handling drums made of metal, plastic or fiber with, or without liners and able to handle viscosities up to 150,000 centipoise and solids up to 6". Mounted on stainless steel frame. CIP capable with optional adaptor. Meets most FDA, USDA and 3-A standards.

OAD: 48"L x 40"W x 74"H

Get a Free Quote Call: 630-629-9900

Murzan Pump Positive DUS-50

  • Manufacturer: Murzan
  • Model Number: DUS-50
  • Frain Number: 5H9290

Murzan Model DUS-50, sanitary, stainless steel, 55 gallon drum unloader with number of drums per hour – depending on materials, application, pump configuration and operator dexterity. Capable of pumping drums made of metal, plastic or fiber with, or without liners and capable of handling most viscous products with viscosities up to 150,000 centipoise and solids up to 6". CIP capable with optional adaptor. Equipped with Murzan double diaphram pump with 21" stainless steel follower plate. Non-lubricated, oil free air valve, 24" long x 27" wide roller in feed and discharge conveyor with 27" long x 2" OD rollers set on 4-1/2" centers with 2-1/2" gaps and roller drum centering section with 26" long x 1-1/4" OD rollers set on 3-1/4" centers with 2" gaps. Control panel has pump restart and off, bag blow-back on / off DUS positioner, raise. lower, off pump power on, off and drum centering extend off and detract control switches. Mounted on stainless steel frame has roller in feed and discharge with casters.

OAD: 54" L x 60" W x 71" H

Get a Free Quote Call: 630-629-9900

Pump Positive 7"DIA

  • Model Number: 7"DIA
  • Frain Number: 5H8020

Stainless steel, twin screw, pump feed system with pounds of product per hour – depending on materials and application. Vessel dimensions: 48" in Length; 14" in Width; 24" in Depth. Product viscosity: up to 1,000,000 CPS. Equipped with stainless steel product hopper, (2) 7" OD stainless steel product feed screws powered by 7½ Hp drive, Waukesha model 224 positive displacement pump powered by 10 Hp drive with 4½" OD / 24" ID Tri-clamp discharge with 14" ground clearance. Control panel with push button start / stop and variable speed gearboxes. Mounted on stainless steel frame with locking casters.

OAD: 138"L x 53"W x 65"H

Get a Free Quote Call: 630-629-9900

Murzan Pump Positive DUS-50

  • Manufacturer: Murzan
  • Model Number: DUS-50
  • Frain Number: R30661

Murzan Model DUS-51M, sanitary, stainless steel, 55 gallon drum unloader with number of drums per hour – depending on materials, application, pump configuration and operator dexterity. Equipped with Murzan Model PI-50 double diaphragm pump with 21" stainless steel follower plate. Non-lubricated, oil free air valve, 30" long x 23" wide roller in feed and discharge conveyor with 28" long x 2" OD rollers set on 3-1/2" centers with 1-1/2" gaps and roller drum centering section with 28" long x 1-1/2" OD rollers set on 3-1/2" centers with 2-1/2" gaps. Control panel has pump, vacuum break, drum center clamp / unclamp, pump restart and off, with lower, raise and vacuum break controls. Capable of pumping drums made of metal, plastic or fiber with, or without liners. Can handle most viscous products with viscosities up to 150,000 centipoise and solids up to 6". CIP capable with optional adaptor. Mounted on stainless steel frame with roller in feed / discharge and locking casters

OAD: 60" L x 53" W x 70" H

Get a Free Quote Call: 630-629-9900

Murzan Pump Positive DUS-10M

  • Manufacturer: Murzan
  • Model Number: DUS-10M
  • Frain Number: R30662

Murzan Model DUS-10M, sanitary, stainless steel, 55 gallon drum unloader, with number of drums per hour – depending on materials, application, pump configuration and operator dexterity. Equipped with Murzan Model PI-50 double diaphragm pump with 21" stainless steel follower plate. Non-lubricated, oil free air valve. Control panel has machine and bag blow back on / off switches. bag blow / pump, raise, lower and restart controls. Capable of pumping drums made of metal, plastic or fiber with or without liners. Can handle most viscous products with viscosities up to 150,000 centipoise and solids up to 6". CIP capable with optional adaptor. Mounted on 39" long x 31" wide stainless steel platform frame.

OAD: 56" L x 42" W x 69" H

Get a Free Quote Call: 630-629-9900

FPEC Pump Positive SCL930

  • Manufacturer: FPEC
  • Model Number: SCL930
  • Frain Number: R33301

FPEC, Model SCL 930, 22 ft³, stainless steel, screw pump feeding system. Equipped with a stainless steel 36" long x 34" wide x 35" deep product hopper with paddle agitation powered by a 1 hp drive, 9" diameter by 36" long stainless steel feeding screw powered by a 7½ hp drive and Waukesha 224 positive displacement pump powered by a 20 hp drive with 4½"OD / 4"ID Tri-clamp style discharge with 34" ground clearance. Mounted on a stainless steel frame. Rates dependant on materials, application and machine configuration.

OAD: 68"L x 50"W x 80"H

Get a Free Quote Call: 630-629-9900

Waukesha Pump Positive 30

  • Manufacturer: Waukesha
  • Model Number: 30
  • Frain Number: R32231

Waukesha, Model 30, positive displacement pump with 316 stainless steel contact parts. Rated from 1 to 36 gallons of product per minute – depending on materials, application and machine configuration. 200 psi maximum working pressure, temperature range of -40 Deg F to 200 deg f standard and up to 300 deg F with hot clearence rotors / stators and viton seals and capable operating both clockwise, or counter clockwise. Equipped with 2" OD / 1½" ID Tri-Clamp style product charge / discharge with 15" ground clearance. Powered by 3 Hp motor drive with 5.18:1 gear ratio for a current rate of 20.32 gallons per minute. Control panel panel has touch pad variable speed control. Mounted on 46" long x 18" wide stainless steel (4) leg frame with casters.

OAD: 50"L x 20"W x 47"H

Get a Free Quote Call: 630-629-9900