Pompe de surpression pour pipeline LG80-200

1. Spécifications de base

models:

LG: vertical pipeline booster pump (L vertical, G pipeline)

80: inlet diameter 80mm (DN80)

200: impeller nominal diameter 200mm Type: single-stage single-suction

centrifugal pump Standard: GB/T5656 (equivalent to ISO2858)

2.Performance parameters

paramètre	Scope of indicators
Flow  (Q)	30-60m³/h
Tête (H)	45-55m
rotational speed	2900r/min (moteur 2 pôles)
l'efficacité	6572%
Required cavitation allowance	3.0-4.0m

3. Conception structurelle

Matériau du corps de la pompe :

Standard:HT200 cast iron

Optional: 304/316L stainless steel (corrosion resistant)

Impeller: Closed structure (dynamic balance G6.3 level)

Matériau : fonte/bronze (en option)

Joint d'arbre :

Standard:mechanical seal (Si/graphite pairing)

Optional: double end face seal (suitable for corrosive media)

3.Power configuration

Moteur correspondant :

 Power:15-22kW (selected according to working conditions)

Protection level: IP55

Insulation level: F level

Transmission mode: direct coupling

5.Installation parameters

Objet	Dimensions (mm)
center height	250
Inlet outlet flange	GB/T9113 PN16
Foot spacing	500×400
Overall length	≈850

6.Operation limit

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

Working pressure:1.0MPa

Teneur en matières solides : ≤0,1% (norme d'eau propre)

7. la sélection et l'expansion

Configuration spéciale :

Variable frequency motor(energy-saving adjustment)

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

Moteur antidéflagrant (Ex dⅡ BT4)

Scénarios d'application typiques

1. Building water supply system (high-rise building booster)

2. Industrial circulating water (cooling water delivery)

3.Fire water supply (pressure stabilization system)

4. Air conditioning system (chilled water circulation)

(Note: The actual selection needs to check the pipeline characteristic curve, and it is recommended to retain a 10% flow margin) If a performance curve (QH) or a material corrosion resistance test report is required, please explain the specific working conditions (such as medium composition, operating environment, etc.).