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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008

Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008
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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008 133.83201.52.01 E PUMP TECHNOLOGY UEA2 06/97 TECHNICAL DATA Output: max. 220 m³/h Head: max. 280 m Speed: max. 3600 rpm Temperature: max. 140 °C Casing pressure: PN 40 up to size 8000 PN 25 from size 10000 Shaft sealing: stuffing box or standard mechanical seal Flange connections: DIN 2501 PN 40 resp. PN 25 Sense of rotation: clockwise when looking at the pump from the drive end APPLICATION Centrifugal pumps of the series UEA with NPSH inducer stage are applied for trouble-free pumping under unfavourable conditions at suction side. The capability of the pumps in this series to handle liquids at the boiling point, allows a wide-ranging application when handling condensates liquefied gases refrigerants LPG and boiler feed water. DESIGN Horizontal centrifugal pumps of the segmental type with closed impellers and a suction stage. The suction stage is installed at discharge side. It is arranged in parallel to the last liquid handling stage and operates acc. to the sucking-through principle. The design UEA has an axial inlet with NPSH inducer stage. The axial thrust is compensated by single-impeller relief. The remaining axial thrust are compensated by antifriction bearings of sufficient size. A hydraulically favourable re-routing is done by means of guiding . devices in the stage casings. The vertically to the axis divided casings are sealed by O-rings and the connected through external casing connection screws. CONSTRUCTION Casing pressure: max. 40 bar up to size 8000 from -25 °C to 120 °C max. 25 bar up to size 10000 from -25 °C to 120 °C Pressure stages for higher temperatures as per DIN 2401 Please note: Technical rules and safety rules. Casing pressure = zero delivery head + pos. suction pressure Position of the branches: Suction branch axially and discharge branch radially upwards. Flanges: At suction and discharge side the flanges correspond to DIN 2535 PN 40 resp. DIN 2534 PN 25. Flange design with groove to DIN 2512 or bored to ANSI possible. Hydraulics: First Hydraulic with NPSH-impeller 1.Designation of this design: A. First Hydraulic with NPSH-impeller 2. Designation of this construction type: C. Bearings: At suction side a liquid surrounded sleeve bearing, at discharge side grease lubricated inclined ball bearings as per DIN 628. The designation of this construction:.A First grease filling for antifriction bearing is made in the factory. Sense of rotation: Clockwise when looking at the pump from the drive end. Shaft sealing: The shaft can be sealed either by stuffing box or standard mechanical seal. Designation 061: Balanced, uncooled stuffing box. Temperature range: -10 °C to 120 °C Designation AAE: Uncooled, unbalanced standard single mechanical seal with internal flushing. Temperature range: -10 °C to 120 °C Designation ABE: As AAE, but balanced. Temperature range: -10 °C to 120 °C Designation DBU: As ABE, but temperature range: -25 °C to 140 °C Special for carburetor and Diesel fuels: Designation ABC: Uncooled, balanced standard single mechanical seal with internal flushing. Temperature range: -10 °C to 120 °C Special for liquid gas: Designation DBG: Uncooled, balanced standard single mechanical seal with internal flushing lower. Temperature limit: -25 °C

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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008 - 2

2 Material design: Item COMPONENTS MATERIAL DESIGN* 0A 1A 2C 10.60 suction casing 10.70 discharge casing GG 25 GGG 40.3 GS - C 25 10.80 stage casing 10.90 stage shell 11.10 suction stage GG 25 11.40 side cannel casing 21.00 shaft X 20 Cr 13 23.00 impeller GG 25 23.00 NPSH impeller 1) G - X7 Cr Ni Mo Nb 18 10 23.50 vane wheel impeller Cu Zn 40 Al 1 35.00 bearing casing GG 25 46.10 shaft sealing stuffing box special asbestos 43.30 43.31 mechanical seal X 22 Cr Ni 17 resp. Si-carbide/carbon, Perbunan resp. Viton 52.30 shaft sleeve at mechanical seal ABE, DBU, ABC, DBG X 5 Cr Ni Mo 18 10 1)...

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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008 - 3

3 Sectional drawings and nomenclatures UEA 10.60 suction casing 11.40 side channel casing 43.30 mechanical seal 10.70 discharge casing 21.00 shaft drive side 10.80 stage casing 23.00 impeller 46.10 stuffing box 10.90 stage shell 23.50 vane wheel impeller 52.30 shaft sleeve 11.10 suction stage 35.00 bearing casing shaft sealing designation ABE shaft sealing designation DBU ABC shaft sealing designation 061 shaft sealing designation AAE, AAC

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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008 - 5

5 Characteristic curves n = 2900 rpm * NPSH values is applicable for boiling liquids Impeller 2 Impeller 1

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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008 - 6

6 Characteristic curves n = 1450 rpm * NPSH values is applicable for boiling liquids Impeller 2 Impeller 1 Impeller 2 Impeller 1

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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008 - 7

7 Characteristic curves n = 1450 rpm * NPSH values is applicable for boiling liquids

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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008 - 8

8 Characteristic curves n = 1450 rpm * NPSH values is applicable for boiling liquids values applicable to water = 1 kg/l The NPSH were determined in closed circuit. Take into consideration a safety margin of 0,5 m when selecting.

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Centrifugal Pumps self-priming, segmental type UEA 4002 . . . 10008 - 10

10 Data regarding size - order hints series + size speed hydraulics +bearings shaft sealing material design casing seal A./M. hydraulics A with NPSH impeller 1 C./O. hydraulics A with NPSH impeller 2 .A two grease lubricated single row inclined ball bearings and one liquid surrounded sleeve bearing .B one grease lubricated inclined ball bearing at suction side and one grease lubricated grooved ball bearings at discharge side 061 balanced, uncooled stuffing box AAE/AAC uncooled, unbalanced standard single mechanical seal with internal flushing ABE as AAE, but balanced DBU/DBG as ABE, but...

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