Randolph - Model 500 Series - Peristaltic Pumps
From Peristaltic Pumps- Medium Pumps
The 500-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. The 500-PHO is good choice for use from the laboratory to industrial applications such as paper & pulp, printing, metering, and fluid transfer.
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Products Details
500-100: Standard Fixed-Speed Pump
The 500-100 is a belt-driven pump assembly. The pump 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 500-100 is an excellent choice for fluid transfer applications where speed regulation is not required.
500-101: Zero-Max™ Speed Control Pump
The 500-101 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 500-101 provides a cost-effective substitute for AC or DC speed controls and is used for fluid transfer, metering, printing, and other industrial applications.
500-200: Explosion-Proof Fixed Speed Pump
The 500-200 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 500-200 is an excellent choice for fluid transfer applications and chemical pump applications where explosive vapors are present.
500-201: Explosion-Proof Speed Control Pump
The 500-201 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 1/3 HP, 1 PH, 60/50 HZ, 115/208-230 Volt, Class I, Group D, gasoline vapor atmosphere explosion-proof motor mounted on a steel base. The 500-201 provides a cost-effective substitute for AC or DC speed controls and is used for fluid transfer, metering, printing, and other industrial and chemical pump applications.
500-332, 500-352 and 500-362: Vari-Flow™ DC Speed Control Pumps
The 500 Variflow™ is available in three speeds with three options for control. Every 500 Variflow is mounted onto a steel base, coupled to a ¼ HP, IPC-44, geared DC motor, with a NEMA 4X speed control enclosure. The 500 Variflow assemblies are available in three speed ranges 4-125 rpm (500-332-X), 6-250 rpm (500-352-X) and 12-500 rpm (500-362-X). In addition, each assembly is offered with three different control options that are designated by the last number in the assembly. The dash 1 controls are single direction units with speed regulation through a speed pot. The dash 2 controls include a FWD/Reverse switch and the dash 3 controls include a local/remote selector switch for an input signal of 4-20 mA or 0-10 VDC.
500-450: Air Drive Pump
The 500-450 is an assembly consisting of an air motor and pump mounted on a steel base. The motor is intended for safe use in applications where there may be explosive vapors or powders present.
Tubing Sizes:
The 500-PHO uses two interchangeable sizes of tubing: 3/16″I.D. x 3/8″ O.D. or 1/4″ I.D. x 7/16″ O.D.
Industries:
Paper & pulp, laboratory, sampling, bilge, ink, chemical pump and fluid transfer.
Custom assemblies are available upon request. For a quotation please contact our sales office.
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