IS125-80-200A Bomba de agua limpia

1. Basic specification model analysis:

IS: International standard single-stage single- suction centrifugal pump

125: Inlet diameter 125mm (DN125)

80: Outlet diameter 80mm (DN80)

200A: Impeller nominal diameter 200mm (A indicates the first cutting of the impeller)

Type: Horizontal axial suction centrifugal pump

Standard: GB/T5657 (equivalent to ISO2858)

2. Performance parameters

parámetro	Indicator range
Flow(Q)	60-120m³/h
Head (H)	40-55m
rated speed	2900r/min (2-pole motor)
efficiency	68-72%
Required  NPSH	3.0-4.0m

3.Structural design

Pump body material:

Standard: HT200 cast iron

Optional: 304 stainless steel(corrosive environment)

Impeller:

Closed structure (dynamic balance G6.3 level)

Material:cast iron/bronze (optional)

Shaft seal:

Standard: packing seal (graphite impregnation)

Upgrade: single end mechanical seal (standard flushing port)

4.Power configuration

Matching motor:

Power: 18.5-30kW (selected according to working conditions)

Protection level: IP54/IP55

Insulation class: Class B/Class F

 Transmission mode: Direct coupling (elastic pin type)

5. Installation parameters

Artículo	Dimensions (mm)
Center  height	250
Inlet  and outle flange	GB/T9113 PN16
Foot  spacing	500×400
Total length	≈850

6. Operation limit

medium temperature: ≤80℃(high temperature type can reach 120℃)

Working pressure: ≤1.0MPa

Solid content: ≤0.1% (clean water standard)

7.Selection and expansion

Special configuration:

Variable frequency motor (energy-saving adjustment)

Full set of stainless steel materials (food/ pharmaceutical grade)

Motor antideflagrante (Ex dⅡ BT4)

Escenarios típicos de aplicación

1. Building water supply system

2. Fire water supply

3. Industrial circulating water

4. Air conditioning cooling water system

(Note: The actual selection needs to check the pipeline characteristic curve, and it is recommended to reserve 10% flow margin)