Sealless Self-Priming Peristaltic Rotary Pumps - Vanton Flex-I-Liner
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Vanton FLEX-I-LINER® peristaltic type rotary pumps transfer, sample or meter acids, caustics, solvents, salts, chlorides and reagent grade chemicals — even viscous fluids and slurries containing soft solids and abrasives. Only two non-metallic parts contact fluid — the rugged thermoplastic body block and durable, replaceable elastomeric flexible liner. This easy-to-service construction keeps maintenance and downtime low. The wide choice of thermoplastics and elastomers in which these pumps are furnished permits their use over the full pH range and for an endless list of corrosive, volatile, abrasive clear and viscous fluids, as well as for vacuum service and gas transfer. The gentle peristaltic pumping action minimizes foaming, prevents settling out of suspensions and permits safe handling of latex emulsions and other shear-sensitive liquids. Sealless, non-metallic and self-priming, FLEX-I-LINER® pumps operate in either direction, wet or dry, in any position. Their unique design eliminates shaft seals, glands, internal seals, stuffing boxes and other potential sources of leakage. Offered in Pedestal Mount and Close Coupled
models, FLEX-I-LINER® pumps can be furnished with electric
motors, Every Vanton pump is fully tested to verify performance with all data permanently recorded. Over 140,000 of these dependable sealless, self-priming
pumps are in service handling aggressive and other problem
fluids.
DESIGN AND CONSTRUCTION 
UNIQUE DESIGN AND CONSTRUCTION MEANS TROUBLE-FREE OPERATION AND LOW MAINTENANCE
7.Pumps are suitable for vacuum and gas sampling service, for handling volatile liquids, viscous fluids and slurries, even those with soft solids.  Drum Pump runs dry, self primes, cuts maintenance.  |
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Flex-I-Liner®
Sealless Self-Priming Peristaltic Rotary Pumps
A
rotor mounted on an eccentric shaft oscillates within the
flexible liner, creating a progressive squeegee action on
the fluid trapped in the channel between the liner and the
body block. Flanges on the flexible liner are pressed to
the sides of the body block by concentric grooves on the
pedestal assembly and the cover plate. This serves to isolate
the fluid to the channel. Pump models are available close-coupled
or pedestal -mounted to an electric motor, or air-powered
for handling volatile fluids.
Flex-I-Liner
pumps are available in duplex configuration with manifolds
providing common suction and discharge connections, and
in sanitary design with flame-polished interiors and quick-disconnect
fittings. These pumps are ideally suited for use on a variety
of stationary and mobile acid buggies for the transfer of
chemicals in laboratory and plant operations, as well as
for incorporation on OEM equipment.
The
wide choice of thermoplastics and elastomers in which these
pumps are furnished permits their use over the full pH range
and for an endless list of corrosive and abrasive clear
and viscous fluids. Although published data for specific
chemicals are available, the most reliable guide to material
selection for those difficult-to-pump applications is the
Vanton half-century of experience.
1.Pump
bodies are provided in Teflon, polypropylene, UHMW (ultra
high molecular weight) polyethylene, and other nonmetallic
materials. Stainless steel body available on request. 