sui@qdczpower.com

Manufacturer of Turbine Components

Manufactures various types of steam turbines ranging from 5MW - 50MW,including condensing, backpressure, and extraction-condensing designs

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C380

The C380 steam turbine is a multi-stage back-pressure type unit featuring a single-deck layout for compact dimensions and easy installation.

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Industrial drag turbine

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Product Description

The C380 steam turbine is a multi-stage back-pressure type unit featuring a single-deck layout for compact dimensions and easy installation. Operating at a base shaft speed of 8000 rpm with a maximum capacity of 12000 rpm, this unit incorporates an integral forged rotor. The flow path comprises one regulating stage and four pressure stages, with axial steam seals between each stage to minimize leakage losses. The main steam valve operates automatically, with its actuation controlled by high-pressure oil. This unit delivers power ranging from 200 to 2000 kW. Its broad application scope—particularly in petrochemical industries—enables high-speed direct-drive compressors, high-speed pumps, and high-speed fans to eliminate gearboxes, reduce failure points, and lower operational costs. High-speed equipment offers low running costs and significant economic benefits.

Structural Features

● Structure: Quick-mount double-support multi-stage back-pressure steam turbine

● Layout: Single-deck arrangement

● Mechanical Speed Control: Fully hydraulic speed control

● Electronic Speed Control: DEH

● Overspeed Protection: Dual mechanical fly-hammer type with electromagnetic valve electronic intelligent control

● Steam Seal Type: Stainless steel labyrinth steam seal

● Main Steam Valve: Integrated automatic main steam valve (quick-close combination device)

● Main shaft assembly: Integral forged rotor

● Lubrication system: Forced oil lubrication with oil thinning station and cooler

● Thermal expansion compensation: Flexible compensator plate at front bearing support

Product Specifications

	Product Model	Rated Power (KW)	Rotational Speed (r/min)	Inlet Pressure (MPa)(a)	Inlet Gas Temperature (C)	Exhaust Pressure (MPa)	Fuel Consumption Rate
Medium-temperature, medium-pressure model	B0.9-2.35/0.98	900	8000	2.35	390	0.98	23.4
	B1.5-2.35/0.49	1500	8000	2.35	390	0.49	13.3
	B2.0-2.35/0.49	2000	8000	2.35	390	0.49	13
	B0.83-3.1/0.68	830	8000	3.1	400	0.68	15.7
	B0.6-3.43/1.5	600	7500	3.43	435	1.5	25
	B1.0-3.43/1.08	1000	8250	3.43	435	1.08	16.1
	B1.5-3.43/0.98	1500	8000	3.43	435	0.98	14.2
	B1.9-3.43/0.8	1900	8250	3.43	435	0.8	13.1
	B2.0-3.43/0.49	2000	8000	3.43	435	0.49	10
High-Temperature and High-Pressure Model	B1.3-4.5/0.95	1300	8500	4.5	450	0.95	12.7
	B1.6-4.9/1.0	1600	7500	4.9	475	1.0	12.1
	B1.7-4.9/2.0	1700	8000	4.9	470	2.0	20.6
	B1.8-4.9/2.0	1800	8000	4.9	470	2.0	19
	B1.0-5.3/0.98	1000	8000	5.3	470	0.98	14
	B2.0-6.0/0.98	2000	8500	6.0	384	0.98	14
Note: Inlet and exhaust steam pressures are absolute pressures. Turbine body weight: 3.0 tons. Dimensions: 3300mm × 1600mm × 2000mm.

Schematic Diagram

Serial Number	Part Name	Serial Number	Part Name
1	Chassis	11	Second Stage Divider
2	Front Frame	12	Third Stage Divider
3	Front Bearing Housing	13	Fourth Stage Divider
4	Emergency Shut-off Switch	14	Cylinder Upper Half
5	Thrust Bearing Support	15	Rear Steam Seal
6	Hydraulic Assembly	16	Cylinder Lower Half
7	Steam Valve and Connecting Rod Assembly	17	Rear Bearing
8	Front Steam Seal	18	Rear Bearing Housing
9	Nozzle Assembly	19	Rotor
10	First Stage Divider