Parker ChemTec II, Инструкции по установке, эксплуатации и обслуживанию

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Stroke Volume Adjustment
The knurled Adjustment Ring on the RH series piston head controls the stroke length and thus the
output per motor revolution. This Adjustment Ring is factory set to “200”.
By turning the ring clockwise, the stroke length is reduced, and consequently by turning it
counterclockwise, the stroke length is increased.
Please do not turn the head clockwise further than a setting of “50” or counterclockwise further than
“450”.
Turning the Adjustment Ring past the 450 mark will eventually result in the ring falling off the pump
head.
Chemical Compatibility
The RH series of pump heads are well known for their robustness and overall chemical compatibility
with many process fluids. The materials used in manufacturing are inert to most chemicals, however
the following exceptions must be observed:
•
In the model number of the head, the “T” in CTC refers to Tefzel, and the “K” in CKC refers to
Kynar.
•
For applications involving fluids above 90°F do not use heads with Tefzel cylinder body material.
Please use either Kynar, or consult with Parker about the availability of stainless steel heads for
your application.
•
While Kynar has good chemical resistance to most fluids, Kynar heads must not be used with
Acetone, Ketones, or Esters.
•
When pumping Acetone, Toluene, Methylethylketone, Methanol, Ethanol, Hexyl Alcohol, Isobutyl
Alcohol, or Isopropyl Alcohol, pump heads with Tefzel cylinder bodies must be used.
Viscosity Effects
When pumping high viscosity liquids, you should always use large bore tubing (1/4” OD), slow pump
rates, and large stroke volumes. Set the knurled Adjustment Ring to the “400-450” range.
The ChemTec II FM-200 together with either a RH0 or RH1 can handle fluid viscosities up to 2000 cps.
Viscosities of up to 10,000 cps can be pumped when the fluid reservoir and /or feed line connected to
the pump inlet port are pressurized to avoid cavitation.