Description
Application
– Clear water or other liquids similar to water in physical and chemical properties
– Supply and drainage systems and cooling systems in the iron and steel industry, petrochemical industry, thermo power plants, mines, etc.
– Urban water supply, heating systems, irrigation and water conservation
Working Conditions
– Max. Head: 190 m
– Max. Flow: 3780 m3/h (1050 1/s)
– Liquid PH value: 6 ~ 9
– Max. Liquid temperature: 80°c
– Pump inlet: 125~500 mm, outlet: 80 ~ 400 mm
– Speed: 1480/2980 rpm at 50Hz, 1780/3580 rpm at 60Hz
– Max. Working pressure: 16 bar as standard (HT200 pump casing)
– 24 bar available on request (QT400-18 pump casing)

Pump casing
– High efficiency round water chamber design
– Double volute water chamber to balance radial force, with the advantages of no whirl in suction,
– stable operating, noiseless and good cavitation performance
– With reinforcing ribs offering good rigidity appearance
Bearing
Short span and enlarged diameter design are adopted for Stable operation and a long operation period.
Standard
– Pump: GB/T5657-95, Q/FZEF 001-2014
– Flange: DIN2501 PN16, GB/T172416 PN16
– Mechanical seal: DIN24960
Impeller
Closed impeller is designed with three-dimensional flow theory and CFO calculation andsimulation that have advantages of high efficiency, wide range and good cavitation performance . Equipped with a remodeled impeller that has wide performance range Metal mold, digital machining, and accurate roughcast
Sealing
– Mechanical seal & packing seal are all adopted for better sealing effect
– Dimension of mechanical seal are in accordance with DIN24960
– Built-in seal Lubrication Technology
Shaft
– Fully sealed shaft, won’t contact with fluid, no corrosion. Long
– service life
Material Table of Single Stage Double Suction Centrifugal Pump

| No | Part | Material | |||
| 01 | Pump body | HT 200 | 19 | Gland packing | Graphite |
| QT400-18 | |||||
| 01.1 | Sealing gasket | Asbe stos Rubber | 20 | Gland cover | HT 200 |
| 02 | Pump cover | HT 200 | 21 | Water-proof ring | NBR |
| QT400-18 | |||||
| 03 | Sealing ring | HT 250 | 22 | Bearing | NTN/NSK |
| 04 | Impeller | H65 | 23 | O-ring | VITON |
| QSn4-8 | |||||
| HT 200 | |||||
| 05 | Sealing support | H65 | 24 | O-ring | VITON |
| QSn4-8 | |||||
| HT 200 | |||||
| 06 | Bearing cover | HT 200 | 25 | O-ring | VITON |
| 07 | Drive end bearing hous | HT 200 | 26 | Oil felt | Wool |
| 08 | Bearing housing | HT 200 | 27 | Gasket | 65Mn |
| 09 | Nut | 35# Steel | 28 | Key | 45# Steel |
| 09.1 | Stop gasket | 35# Steel | 29 | Key | 45# Steel |
| 10 | Bearing baffle | 45# Steel | 30 | Bolt | 35# Steel |
| 11 | Sealing baffle | QT400-18 | 30 | Bolt | 35# Steel |
| 12 | Mechanical seal gland | HT 200 | 31 | Spring Gasket | 65Mn |
| 12.1 | O-ring | VITON | 32 | Nut | 35# Steel |
| 13 | Mechanical seal | ASF | 33 | Pin | 35# Steel |
| 14 | Shaft | #45 Steel | 34 | Nut | 35# Steel |
| 2CR13 | |||||
| AISI 304 | |||||
| AISI 316 | |||||
| 15 | Short shaft sleeve | 2CR13 | 35 | Bolt | 35# Steel |
| 15.1 | Shaft sleeve | #45 Steel | 36 | Washer | 35# Steel |
| 2CR13 | |||||
| AISI 304 | |||||
| AISI 316 | |||||
| 15.2 | Packing sleeve | #45 Steel | 37 | Nut | 35# Steel |
| 2CR13 | |||||
| AISI 304 | |||||
| AISI 316 | |||||
| 16 | Bearing pressure ring | Q235(A) | 38 | Bolt | 35# Steel |
| 17 | Packing pressure ring | Q235(A) | 39 | Plug | Q235(A) |
| 18 | Packing ring | Q235(A) |

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