The Cryogenic Centrifugal Pump are mainly used for the filling and transport of storage tanks with cryogenic liquids such asliquid oxygen, liquid nitrogen, liquid argon and cooling liquid; the units are mainly single stage, single suctionand direct-connected centrifugal pumps.
Key Technical Specifications
1.1 SLP-99/55 Specification:
|
No. |
Term |
Des. |
|
1 |
Type |
Horizontal, Single stage, Single Suction,Direct coupling centrifugal pump |
|
2 |
Fluid |
LO2 |
|
3 |
Design Temp. |
-196ºC |
|
4 |
Flow |
99m3/h |
|
5 |
Head |
55m |
|
6 |
NPSHr |
1.2m |
|
7 |
Speed |
2620 r.p.m |
|
8 |
Min Suction Pressure |
0.04-0.1MPa |
|
9 |
Max Discharge Pressure |
0.65 MPa |
|
10 |
Motor |
3Ph 380V 50Hz 37KW-2P |
|
11 |
Protection Level |
IP55 |
|
12 |
Isolation Level |
F |
|
13 |
Weight |
≈800kg |
|
14 |
Inlet port |
DN150,PN10 |
|
15 |
Discharge port |
DN150,PN16 |
|
16 |
Flange standard |
EN 1092-1 |
|
17 |
Seals System |
Life span≥8000h,fluid：dry air;sealing pressure：0.4-0.6Mpa;sealing gas consumption ：10-20Nm³/h If the conveyed medium has purity requirements, the sealing gas should be sealed with medium gas to ensure that the medium is not contaminated. |
1.2 Pump Supply Scope: SLP-99/55
|
ITEM |
DES. |
QTY |
RMK |
|
PUMP UNIT |
SLP-99/55 |
1 |
The external dimensions and motor power are consistent with the original pump |
|
EX VF MOTOR |
37kw,380V,50HZ |
1 |
With PT100 resistance type front and rear bearing temperature probes, BT4, IP55, brand: Nanyang Wolong (with CU TR 012 certification) |
|
Temperature probe |
PT100 |
1 |
Sealing leak protection (with CU TR 012 certification) |
|
Heating cables |
1 |
||
|
Suction Metal Hose |
DN150 PN10 |
1 |
FLANGE,BOLT,NUT |
|
Discharge Metal Hose |
DN100 PN16 |
1 |
FLANGE,BOLT,NUT |
|
Inlet Filter |
DN200 PN10 |
1 |
MONEL |
|
Bearing protection cavity |
1 |
||
|
Outlet stop valve |
DN150 PN16 |
1 |
|
|
SEALING SYSTEM |
Including panel, precision pressure reducing valve, pressure gauge, pipe fittings, needle valve,sealing gas control panel etc. |
1 |
|
|
TECH FILE |
1 |
||
|
FLANGE GASKETS |
1 |
Quality Assurance
Complies with international standards: ISO 9001, API 610 Standard (for centrifugal pumps)
Each pump undergoes strict factory testing, including performance testing at rated temperature, pressure resistance testing, and leak detection, ensuring 100% qualification before delivery.
Provides a 12-month warranty and 24/7 technical support for troubleshooting and maintenance guidance.
Performance Features
● lts structure is compact and simple.
● High performance copper alloy is used for volutes and impellers so as to guarantee the safety of pumpsin liquid oxygen working conditions.
● The pump has mature and reliable mechanical seal, strong anti-cavitation ability, long service life as wellas convenient installation and replacement.
● A high strength and cryogenic stainless steel shaft is used.
● Static and dynamic balance tests are performed for the impellers and rotors so as to guarantee the stability of such rotors.
● A variable frequency and variable speed motor can be utilized to make the pump has a wider operation range.
● The inlet and outlet flanges are equipped with flexible connection and a liquid inlet filter; the pipelinevibration is small and the operation is stable.
● The labyrinth seal can also be configured,with a continuous operating life of 16000 hours
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