BNA series Single Stage, End Suction Norm Centrifugal pumps


• Raw Water Supply
• Drinking water supply
• Industrial Applications
• Irrigation
• Hot water Circulation
• Sea Water
• Cold Water Circulation
• Pool Water
• Condense Systems
• Fire Fighting Systems


Speed: 2900r/min 1450rpm or 1480rpm
Max Capacity: 132L/S 300L/S
Max Head: 150m 55m
Max Speed: 3500rpm (Diameter of impeller will be reduced )
Max Working Temperature: 105 ℃
Working Pressure: Generally it is 1 Mpa, It can rise to 1.6Mpa
if material is Nodular cast or Cast Steel .

Application Std: DIN 24255 BS EN733.

Product Detail

Product Tags

We have been OEM for many brands from Europe and our pumps has been used by famous brands from Middle east to apply for UL/FM Certificate. We can make pumps with the bearing housing as your own design.


NO. Name
1 Volute casing
2 Impeller nut
3 Wear ring
4 Impeller
5 Casing cover
6 Packing or mechanical seal
7 Shaft sleeve
8 Slinger
9 Bearing
10 Bearing house
11 Shaft
12 Support foot
1 Casing 17 Gland Packing
2 Impeller Nut 18 Gland Cover
2.1 Lock Washer for impeller 19 Paper Casing Gasket
3 Front-Wear Ring 20 Stud Bolt
3.1 Back Wear Ring 20.1 screw nut
4 Impeller 21 Stud Bolt
5 Casing Cover 21.1 screw nut
6 Shaft Spacer 22 screw nut
7 Mechanical Seal 22.1 Stud Bolt
8 Seal Cover 23 key
8.1 "O"Seal Ring 24 key
9 Rubber Slinger 25 screw bolt
10 Bearing Housing 26 oil nipple M6
11 Shaft 27 Oil seal
12 Bearing 28 Stud Bolt
13 Bearing Cover 29 Plug
14 Support Foot 29.1 Plug spacer
14.1 screw bolt 30 Plug
14.2 screw nut 30.1 Plug spacer
15 Packing Sleeve 31 oil Scale
16 Packing seal Cage 32 Oil Cup
bna pump-4
BNA pimp-5

• End suction, Volute type with top centerline discharge suction and discharge nozzles as well as the supporting feet are cast integral with the casing The working pressure up to 1725kpa( 18kg/cm2), testing pressure is more than 1. 5 times of the working pressure suitable for NFPA20.

• All cast iron casting is made of Alluminum Moulding (no wooden or sand moulding) and all SS casting is made of Investment/lost wax moulding Enclosed type and accurately balanced dynamicall Hydraulically balanced by back vanes and for large impellers by balancing holes and back wear ring.

•Enclosed type and accurately balanced dynamicall.Hydraulically balanced by back vanes and for large impellers by balancing holes and back wear ring.

• Four driving units cover complete range. The high tensile steel shaft accurately machined and groud is supported by antifriction bearings. The shaft is protected by shaft sleeve from wearing in the stuffing box area.

>>>>>Stuffing Box
• The stuffing box can be sealed by gland packing or by mechanical seal.

• Deep Groove ball bearings or contact bearing are provided.
• Standard lubrication is grease.
• Oil lubrication against requirement.
DIN 625: Single Deep Grove Ball Bearing
(Axial Force)
DIN628: Double Angular Contact Ball Bearing
( Both Radial+Axial Forces)
DIN 5412: Cylindrical Roller bearing
(High Radial Forces)

• The bearings comply with AFBMAB-10 Standard, the service life is up to 100,000 hours.
• And The bearing can be ZZC3 type.
(normally 6305ZZ, 6307ZZ, 6309ZZ, 6311ZZ, etc)

>>>>>Mechanical Seal
• 32mm/24mm,43mm/32mm,53mm/44 mm
• The max operation temperature is up to l07℃
• The max working pressure is up to 1 8kg/cm2
• Material of mechanical seal:
Silicon carbide/silicon carbide/viton
Silicon carbide/silicon carbide/Teflon

• ISO2084-16bar(BS4504-1969 Table 16/11)
• DIN2332 PNIORF, Optional ANSI B16.5 Class 300lb.

>>>>>Technical Data:
• Speed: 1450rpm/2900rpm(50Hz)
• Temperature:-10C--150
• Operating Pressure: 10Bar, Optional 16Bar.

City Water Supply   •Irrigation •Fire Fighting Air conditioning•Fresh water on the ship Sanitary and cleaning installation  •Power SationMine Drainage•Spinkler system Brine Pumping Alkaline solution•Oil and Benzene

Performance Curve

50Hz Performance

2900rpm selection chart

1450rpm selection chart

60Hz Performance

3500rpm selection chart

1750rpm selection chart

  • Previous:
  • Next:

  • Related Products