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Item Details
Item specification details
Property Value
Item Id 421637
Item #: 421637
Item: HOWDEN TWIN-CA 56 Steam Turbine and AC Generator
Model #: TWIN-CA 56
Serial #: N/A
Year Built: N/A
Location: Pennsylvania
Price: $434,500.00
Description

Howden 7MW TWIN Condensing Steam Turbine with A.C. Generator MFG 2018
- OEM: Siemens Turbomachinery Equipment Series SST-110
- Unit type: Twin-CA 56
- Power output: 7.0MW
- Main Steam Temp: 445oC
- Operates on 900oF superheated steam at 800psi.
- Provides plant process steam at 375oF at 46psi RO make-up water treatment system
- Sole source of Plant processing power via gas fired boiler

Power output at coupling
Normal 6155 kW
Maximum 5500 kW

Terminal output
Normal kWe
Maximum kWe

Output speed Minimum --- rpm
Normal 1800 rpm
Maximum --- rpm

Trip speed
Normal 1962 rpm
Gear ratio 8.48

Main steam pressure
Minimum (limit) 49.4 bar

Minimum (operation) --- bar
Normal (operation) 54.6 bar
Maximum (operation) 59.1 bar 51
Maximum (limit) 59.6 bar
Maximum (safety valve) 59.6 bar

Main steam temperature
Minimum (limit) 425 oC

Minimum (operation) --- oC
Normal (operation) 471 oC

Maximum (operation) --- oC
Maximum (limit) 486 oC

Intermediate pressure
Minimum (limit) 2.2 bar

Minimum (operation) --- bar
Normal (operation) 3.2 bar
Maximum (operation) 3.95 bar
Maximum (limit) 4.2 bar
Maximum (safety valve) 4.2 bar

Intermediate temperature
Maximum (limit) 388 oC

Intermediate temperature (uncoupled, short-term)
Maximum (limit) 471 oC

Leakoff steam pressure
Maximum 2 bar

Discharge leak off steam to low-pressure system or atmosphere
Differential pressure Δ p4 at impeller Alarm bar

Shutdown of bar
See installation drawing for direction of rotation

Sound pressure level (turbine) dB (A)
Sound power level (turbine) dB (A)
Gear ratio 6.29

Exhaust steam pressure
Minimum (limit) -0.848 bar

Minimum (operation) --- bar
Normal (operation) -0.828 bar
Maximum (operation) 0.2 bar
Maximum (limit) 0.5 bar
Maximum (safety valve) 2 bar

Exhaust steam temperature
Maximum (limit) 350 oC
Differential pressure Δ p4 at impeller
Alarm 0.35 bar
Shutdown of 0.4 bar
Sound pressure level (turbine) 86.1 dB (A)
Sound power level (turbine) 101.1 dB (A)

Includes A.C. GENERATOR
This generator is a Brushless AC generator with an AC exciter and rotating rectifier mounted on a common shaft. The specification of the generator is as follows:
AC GENERATOR DETAILS
1. Type Cylindrical Rotor type
2. Conforming standards. NEMA MG-1
3. Type of excitation system Brushless
4. Continuous rated output kW / kVA 7000 / 8750
5. Speed in (rpm) 1800
6. Voltage (Volts) 13800
7. Full load current (Amps) 366
8. Frequency (Hz) 60 Hz
9. No. Of phases / No of terminals 3 ph / 6
10. Power factor 0.8 (Lag)
11. No. Of poles 4
12. Insulation Class Stator: Class F Rotor: Class F
13. Temperature rise class limited to Class B
14. Enclosure Main: IP 54
15. Cooling System Main: IC 81W
16. Bearings Two nos. sleeve Bearings
17. Bearing oil feed system

Forced Lubrication Used less than 1 year. Available due to complete plant closure. Still Under power

Additional Prep Fees May Apply
Shipping
Item shipping dimensions and specifications
Dimension Measurement
Height: N/A
Width: N/A
Length: N/A
Weight: N/A
Prep Fee: N/A
Registered customers can request free US domestic shipping quotes. Quotes take 1-3 business days to process.
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