Multistage Type Fire Fighting Pump

Performance Range :   According NFPA20

1. Capacity : up to 600 m3/h  

2. Head : up to2300m

3. Speed : up to 3000rpm

4. Power : up to 4800kw

5. Voltage : 220V to 10000V

6. Temperature range : Within 160 Deg C

8. Working pressure : Within 300bar

Material Construction and Configuration :

1. Pump Casing and Bowler : Cast Iron GG25 ; Ductile Cast Iron GGG40 ;  Bronze

2. Pump Impeller : Cast Iron GG25 ; Ductile Cast Iron GGG40 ; Cast Steel ; SS304 316 316L; Duplex SS CD4-MCu ; Bronze

3. Shaft : Carbon steel AISI1045 ; Chrome Steel 40Cr ; SS AISI420 ; SS AISI4140 ; SS316Ti ; SS DIN1.4571 ; Duplex SS UNS S32205

4. Seal Type : Mechanical seal , Gland Packing.

5. Bearing Type : Ball Rolling

6. Balance Bush : Cast Steel ; SS304 316316L; Duplex SS CD4-MCu ;

7. Balance Disk : Cast Steel ; SS304 316316L; Duplex SS CD4-MCu ;

8. Balance Ring : Cast Steel ; SS304 316316L; Duplex SS CD4-MCu ;

9. Flange Standard : ISO , DIN , ANSI .

Technical Advantage :

1. Standard piping design in accordance with API610 and flange drilled to meet GB, DIN and ANSI Standards plans.

2. Sectional single casing construction, the suction casing, stage casing and discharge casing shall be tied together with tie-bolts and sealed with metal-to-metal surface sealing. 

3. Soft packing as standard shaft sealing, external water cooling system designed for cooling of gland cover and stuffing box. Mechanical seal also available upon request. 

4. The rotor shall be supported at both ends by slide or ball bearings that will be lubricated with either oil or grease and cooled by circulation water. The axial thrust of the rotor shall be balanced by balancing discs. Return water piping shall be designed between the balancing chamber and suction casing. 

5. Pump shall be flexibly coupled with driving motor, clockwise rotation looking from motor side.