Armstrong 4382 Series Руководство - Страница 3

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Series 4302
Designed to incorporate two Armstrong standard Series 4300 split coupled Vertical In-Line pumps in a single casing. All existing 4300
series catalogue information and performance curves may be used, or doubled in the case of parallel operation, for the Series 4302 Vertical
In-Line pump.
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Motor: Industry standard, designed for in-line service.
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Motor shaft: Run-out limited to 0.001" (0.03 mm) tir (Total
Indicated Reading).
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Coupling: Axially split type spacer permits removal of seal
without disturbing pump or motor.
4
Shaft: Stainless Steel with deflection at mechanical seal limited
to 0.002" (0.05 mm) tir.
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Mechanical seal: Outside balanced or inside type, accessible
and easily replaced.
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Seal plate: Flush connection ensures lubrication at the seal faces
and positive venting of seal chamber.
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Impeller: Dynamically balanced to ensure smooth vibration-free
operation.
dualARM Vertic al In-Line Pumps
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Volute: Radially split, with equal suction and discharge flange
sizes. Separate tapped openings for gauge, flush and drain
connections.
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Gasket: Confined casing gasket to meet stringent industrial
temperature and pressure applications.
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Flapper valve: Hydraulically isolates casings preventing
recirculation when only one pump operates.
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Isolation valves: Allow one unit to be isolated and removed for
service with the second unit still operating.
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Coupling guards: Fully enclose all access openings. (Not shown.)
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