MARINE VERTICAL TWO-STAGE CENTRIFUGAL PUMPS
Pumps of type family 2CPV are constructed as double stage vertical centrifugal pumps. They are typically used as emergency fire pumps, but can be used for any sea of fresh water application within its capacity range.
Capacity – Q (m3/h)
25 – 350 m3/h
Delivery head – H (m)
50 – 125 m
PUMP CONSTRUCTION FEATURES
inlet and outlet flanges at 180°
axially split pump casing
mechanical seal on shaft
Mechanical seal
DISTINCTIVE ATTRIBUTES
easily accessible pump rotor assembly, without removal of pump from pipeline or removal of electric motor
proven and reliable pump design
selfpriming with air ejector SUE 26 or mechanically driven vacuum pump VK20
BEARINGS
Ball bearings
COUPLING
Coupling with elastic coupling ES
MATERIALS
Casing – Bronze,
Ni-Al bronze,
Gray cast iron,
Nodular cast iron
Impeller – Bronze,
Ni-Al bronze,
Stainless steel
Shaft – Stainless steel
2CPV 320-200 with self priming air ejector SUE 26
mechanically driven vacuum pump VK2
CHARACTERISTICS CURVES
PUMP CROSSECTION
|
POS.
|
PART NAME
|
QTY.
|
|
111
|
SPIRAL CASING – UPPER |
1
|
|
112
|
SPIRAL CASING – LOWER |
1
|
|
113
|
WEAR RING |
2
|
|
114
|
WEARING PLATE |
1
|
|
115
|
CONNECTION FLANGE |
1
|
|
117
|
PUMP PEDESTAL |
1
|
|
120
|
BEARING SUPPORT |
1
|
|
122
|
BEARING SLEEVE |
1
|
|
135
|
MECHANICAL SEAL COVER |
1
|
|
210
|
KEY |
1
|
|
211
|
IMPELLER 1 |
1
|
|
212
|
IMPELLER 2 |
1
|
|
213
|
SHAFT |
1
|
| POS. | PART NAME | QTY. |
|
214-218
|
SHAFT SLEEVES |
1
|
|
219
|
BEARING |
1
|
|
221
|
KEY |
1
|
|
222
|
NUT |
2
|
|
223
|
NUT |
1
|
|
225
|
MECHANICAL SEAL |
1
|
|
227
|
COUPLING DISC |
1
|
|
311
|
EL. MOTOR PEDESTAL |
1
|
|
312
|
STIRRUP |
1
|
|
313
|
RING |
1
|
|
316
|
BEARING COVER |
1
|
|
318
|
BEARING COVER |
1
|
|
323
|
LUBRICATOR |
1
|