Pumps: Ink related categories
 | 200 Series Assemblies
250-PHO: Pump Head Only
The 250-PHO offers reliability and precision in a small package. The 250 pump head, with 2 1/4′′ square housing, is capable of flow rates up to 450 ml per minute. The 250-PHO is a good choice for use from the laboratory to industrial appications. It is available in fixed speed, air drive and, variable DC configurations.
250-140 & 250-150: Fixed Speed Assemblies
The 250-140 and 250-150 are fixed speed assemblies featuring the 250 pump head mounted on a steel base with a shunt-wound, geared motor and an expanded metal cover. These assemblies are compact, easy-to-use units that are suitable for low-flow metering applications.
250-342: Vari-Flow™ DC Speed Control Pump
The 250-342 is an assembly with a DC motor and control mounted on a steel base. The standard control comes in a NEMA 4 enclosure and provides features such as a forward/brake/reverse switch, local/remote selection, and manual speed potentiometer. The control can receive a signal input of 4-20 MA or 0-10 VDC. The 250-342 Vari-Flow pump is suitable for process applications, laboratory, and industrial uses.
250-400: Air Driven Pump
The 250-400 is an assembly consisting of an air motor and pump mounted on a steel base. The air motor is intended for safe use in applications where there may be explosive vapors or powders present.
Tubing Sizes:
The 250-PHO uses two interchangeable sizes of tubing: 1/16′′ I.D. x 3/16′′ O.D. or 1/8′′ I.D. x 1/4′′ O.D.
Industries: Paper & pulp, laboratory, sampling, water treatment, ink, and fluid transfer.
Custom assemblies are available upon request. For a quotation please contact our sales office. |
 | 400 Series Assemblies
400-PHO: Pump Head Only
The 400-PHO is designed for maximum cost effectiveness, and uses a molded polycarbonate housing and triple or quadruple impeller roller yoke assembly. This panel-mount pump has a hinged cover plate which is intended for more demanding OEM or industrial applications. The models are available in fixed speed, air drive, explosion-proof, and variable speed AC or DC configurations.
400-101: Zero-Max™ Speed Control Pump
The 400-101 is a direct drive unit with a manual speed control providing a speed regularion from 0-400 RPM. This assembly comes with a pump head, Zero-Max speed contro, and a 1/4 HP, 115 VAC, 60 HZ, 1 PH, O.D.P. motor mounted on a steel base. The 400-101 provides a cost-effective substiture for AC or DC speed controls and is used for fluid transfer, metering, printing, and other industrial applications.
400-362: Variable Flow™ DC Speed Control Pumps
The 400-362 is a DC speed control model. THe pumps are mounted on a steel base and coupled to a 1/4 HP, geared, IPC-44, 130 VDC, PM motor. Each unit comes with a speed control in a Nema IV enclosure. The controls accept a 4-20 MA or 0-10 VDC signal and have forward/brake/reverse capability. The Vari-Flow assembly is used in applications where precise speed regulation is needed and with systems that require a remote signal for motor or flow control.
400-450: Air Driven Pump Assembly
The 400-450 is an assembly consisting of a pump head and air motor mounted on a steel base. The air motor is intended for safe use in applications where there may be explosive vapors or powders present.
Tubing Sizes: The 400-PHO uses one size of tubing: 1/4′′I.D. x 7/16′′ O.D.
Industries: Paper & pulp, laboratory, sampling, bilge, ink, and fluid transfer.
Custom assemblies are available upon request. For a quotation please contact our sales office.
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 | 600 Series Assemblies
610-PHO: Pump Head Only
The 610-PHO is machined from an aluminum casting and has a stainless steel plate and shaft as well as stainless sleeved roller assembly. The pump is rugged, reliable, and easy-to-use.
610-100: Standard Fixed-Speed Pump
The 610-100 is belt-driven pump assembly. The 610 pump head comes mounted on a steel base with a 1/4 HP, 115 VAC, 60 HZ, 1 PH, O.D.P. motor with a belt and sheave to reduce the speed to the pump head. This 610-100 is an excellent choice for fixed speed applications.
610-101: Zero-Max™ Speed Control Pump
The 610-101 is a direct drive unit with a manual speed control providing a speed regulation from 0-400 RPM. This assembly comes with a pump head, Zero-Max speed control and a 1/4 HP, 115 VAC, 60 HZ, 1 PH, O.D.P. motor mounted on a steel base. The 610-101 provides a cost-effective substitute for AC or DC speed controls.
610-103: Zero-Max™ Reversible Speed Control Pump
The 610-103 is a direct drive unit with a Zero-Max reversible speed control that provides a speed regulation from 0-400 RPM in either a clockwise or counter clockwise rotation. The 610-103 provides a cost-effective substitute for AC or DC speed controls and is used for metering, printing, and other industrial applications.
610-200: Explosion-Proof Fixed Speed Pump
The 610-200 is a belt-driven unit with a 1/3 HP, 1 PH, 60/50 HZ, 115/208-230 Volt, Class I, Group D, gasoline vapor atmosphere explosion-proof motor. The pump and motor are mounted on a steel base and connected through a belt & sheave which runs at a constant 430 RPM. The 610-200 is an excellent choice for fluid transfer applications where explosive vapors are present.
610-201: Explosion-Proof Speed Control Pump
The 610-201 is a direct drive unit with a manual speed control that provides a speed regulation from 0-400 RPM. This assembly comes with a pump head, Zero-Max speed control, and a 1/3 HP, 1 PH, 60/50 HZ, 115/208-230 Volt, Class I, Group D, gasoline vapor atmosphere explosion-proof motor, Zero-Max speed control, and a Class I, Group D, gasoline vapor atmostphere explosion-proof motor. The 610-201 provides a cost-effective substitute for AC or DC speed controls and is used for metering, printing, and fluid transfer.
610-203: Zero-Max Reversible Explosion-Proof Speed Control Pump
The 610-203 is a direct drive unit with a Zero-Max reversible speed control. This assembly comes with Class I, Group D, gasoline vapor atmosphere explosion-proof motor, Zero-Max speed control, and a Class I, Group D, gasoline vapor atmostphere explosion-proof motor and is a cost-effective substitute for AC or DC speed control units.
610-332, 610-352 and 610-362: Vari-Flow™ DC Speed Control Pumps
The 610-332, 610-352 and 610-362 are DC speed control models. The pumps are mounted on a steel base and coupled to a 1/4 HP, geared, IPC-44, 130 VDC, PM motor. Each unit comes with a speed control in a Nema IV enclosure. The controls accept a 4-20 MA or 0-10 VDC signal and have forward/brake/reverse capability. Vari-Flow assemblies are used in applications where precise speed regulation is needed and with systems that require a remote signal for motor or flow control.
610-450: Air Drive Pump
The 610-450 is an assembly consisting of an air motor and pump mounted on a steel base. The air motor is intended for safe use in applications where there may be explosive vapors or powders present.
Tubing Sizes: The 600-PHO uses two interchangeable sizes of tubing: 3/8′′ I.D. x 5/8′′ O.D. or 1/2′′ I.D. x 3/4′′ O.D.
Industries: Paper & pulp, laboratory, sampling, bilge, ink, and fluid transfer.
Custom assemblies are available upon request. For a quotation please contact our sales office.
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 | 700 Series Assemblies
750-PHO: Pump Head Only
The 750-PHO is machined from an aluminum casting and has a stainless steel plate and shaft as well as stainless sleeved roller assembly. The pump is rugged, reliable, and easy-to-use.
750-100: Standard Fixed-Speed Pump
The 750-100 is a belt-driven pump assembly. The pump comes mounted on a steel base with a 1/3 HP, O.D.P. motor with a belt & sheave to reduce the speed to the pump head. THe 750-100 is an excellent choice for fluid transfer applications.
750-101: Zero-Max™ Speed Control Pump
The 750-101 is a direct drive unit with a manual speed control providing a speed regulation from 0-400 RPM. This assembly comes with a pump head, Zero-Max speed control and a 1/2 HP, O.D.P. motor mounted on a steel base. The 750-101 provides a cost-effective substitute for AC or DC speed controls and is used for metering, printing, and fluid transfer.
750-200: Explosion-Proof Fixed Speed Pump
The 750-200 is a belt-driven unit with a 1/2 HP, Class I, Group D, gasoline vapor atmosphere explosion-proof motor. The pump and motor are mounted on a steel base and connected through a belt & sheave which runs at a constant speed. The 750-200 is an excellent choice for applications where explosive vapors are present.
750-201: Explosion-Proof Speed Control Pump
The 750-201 is a direct drive unit with a manual speed control providing a speed regulation from 0-400 RPM. This assembly comes with a pump head, Zero-Max speed control, and a 1/2 HP, Class I, Group D, gasoline vapor atmosphere explosion-proof motor mounted on a steel base. The 750-201 provides a cost-effective substitute for AC or DC speed controls and is used for metering, printing, and fluid transfer.
750-342: Vari-Flow™ DC Speed Control Pumps
The 750-342 is a DC speed control model. The pump is mounted on a steel base and coupled to a 1/4 HP, geared, IPC-44, 130 VDC, PM motor. The unit comes with a speed control in a Nema IV enclosure. The controls accept a 4-20 MA or 0-10 VDC signal and have forward/brake/reverse capability.
750-362: Vari-Flow™ DC Speed Control Pumps
The 750-362 is a DC speed control model. The pump is mounted on a steel base and coupled to a 1/2 HP, 90 VDC, TEFC, 56C face motor which is flange mounted to a gear reducer. Each unit comes with a speed control in a Nema IV enclosure. The controls accept a 4-20 MA or 0-10 VDC signal and have forward/brake/reverse capability.
750-455: Air Drive Pump
The 750-455 is an assembly consisting of a pump and 1/2 HP air motor and gear reducer mounted on a steel base. The air motor is intended for safe use in applications where there may be explosive vapors or powders present.
Tubing Sizes: The 750-PHO uses two interchangeable sizes of tubing: 5/8′′ I.D. x 15/16′′ O.D. or 3/4′′ I.D. x 1 1/16′′ O.D.
Industries: Paper & pulp, laboratory, sampling, bilge, food, slurry, ink, and fluid transfer.
Custom assemblies are available upon request. For a quotation please contact our sales office.
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 | 800 Series Assemblies
880-PHO: Pump Head Only
the 880-PHO is Randolph′s largest peristaltic pump. THe housing is machned from an aluminum casting. Plated steel components are used for the pumps impeller, plate, and shaft. The 880-PHO, is ruggedly designed for long-life and easy maintenance. The pump is capable of flows up to 21 gallongs per minute at 190 RPM. The 880-PHO is an excellent choice for various industrial applications.
880-110: Standard Fixed-Speed Pump
The 880-110 is an assembly with the 880-PHO mounted on a machined aluminum stand with a 100 RPM AC motor. The standard assembly offers an easy solution for many applications.
880-120: Standard Fixed-Speed Pump
The 880-120 is an assembly with the 880-PHO mounted on a machined aluminum stand with a 190 RPM, AC motor. The standard assembly offers an easy solution for many applications.
880-300: Vari-Flow™ DC Speed Control Pumps
The 880-300 is an assembly with the 880-PHO mounted on machined aluminum stand, with a DC motor and speed control. The 800-300 is capable of a speed range from 0-190 RPM and is an excellent choice for applications requiring variable fluid delivery. The control is in a NEMA IV enclosure and can receive 4-20 MA remote signal. The 880-300 is a rugged and robust pump that works well in many industrial applications.
880-425: Air Drive Pump
The 880-425 is an assembly with the 880-PHO mounted on a machined aluminum stand with a 56C forced air motor and gear reducer. Through the adjustment of air flow, the 880-425 has a speed range of 20-200 RPM. The air motor is intended for safe use in applications where there may be explosive vapors or powders present.
Tubing Sizes: The 880-PHO uses two interchangeable sizes of tubing: 3/4′′ I.D. x 1 1/4′′ O.D. or 1′′ I.D. x 1 1/2′′ O.D.
Industries: Paper & pulp, lmining, sampling, bilge, food, ink, and fluid transfer.
Custom assemblies are available upon request. For a quotation please contact our sales office.
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 | 600 Series Hinged Pump
620-PHO: Pump Head Only
The 620-PHO is the newest addition to the 600 series of pump heads and features a hinged side plate and tube clamp as well as a pump that can be mounted in 90º increments of rotation. The pump housing is machined from an aluminum casting and the internal plate and shaft are stainless steel. The 620-PHO provides easy access to the tubing without separate parts, such as knurled nuts, that can be lost.
620-101:Zero-Max™ Speed Control Pump
The 620-101 is a direct drive unit with a manual speed control providing a speed regulation from 0-400 RPM. This assembly comes with a pump head, Zero-Max speed control, and a 1/4 HP, 115 VAC, 60 HZ, 1PH, O.D.P. motor mounted on a stainless steel base. The 620-101 provides a cost-effective substitute for AC or DC speed controls and is used for fluid transfer, metering, printing, and other industrial applications.
620-103: Zero-Max Reversible Speed Control Pump
The 620-103 is a direct drive unit with a Zero-Max reversible speed control, that provides a speed regulation from 0-400 RPM in either a clockwise or counter clockwise rotation. This assembly comes with a pump head, Zero-Max speed control, and a 1/4 HP, 115 VAC, 60 HZ, 1 PH, O.D.P. motor mounted on a steel base. The 620-103 provides a cost-effective substitute for AC or DC speed controls and is used for fluid transfer, metering, printing, and other industrial applications.
620-332, 620-352 & 620-362:Vari-Flow™ DC Speed Control Pumps
The 620-332, 620-352 and 615-362 iare DC speed control model. The pumps are mounted on a stainless steel base and coupled to a 1/4 HP, geared, IPC-44, 130 VDC, PM motor. Each unit comes with a speed control in a Nema IV enclosure. The controls accept a 4-20 MA or 0-10 VDC signal and have forward/brake/reverse capability. Vari-Flow assemblies are used in applications where precise speed regulation is needed and with systems that require a remote signal for motor or flow control.
Tubing Sizes: The 620-PHO uses two interchangeable sizes of tubing: 3/8′′ I.D. x 5/8′′ O.D. or 1/2′′ I.D. x 3/4′′ O.D.
Industries: Paper & pulp, laboratory, sampling, bilge, ink and fluid transfer.
Custom assemblies are available upon request. For a quotation please contact our sales office.
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