CCI Solutions

Turbine Bypass Systems for New SCE&G Power Plant in South Carolina

South Carolina Electric & Gas has ordered HP and IP turbine bypass systems for its two-unit, 500 MW, Urqhart combined-cycle power plant in Beach Island; South Carolina. Duke/Fluor Daniel is the E & C.

The 8-inch (200-millimeter) HP turbine-bypass DRAG® valves are designed for maximum flows of 479,000 pounds/hour (218 meters/hour) at an inlet pressure of 1400 psia (97 barG) and a DP of 925 psi (64 bar) at 1000 F (537 C).

The 18-inch (450-millimeter) IP turbine bypass valves handle pressure differentials as high as 450 psi (31 bar) and are being furnished with 3-inch (75-millimeter) two-stage spraywater valves.

All valves — bypass as well as spraywater — will be operated by standard pneumatic actuators.

Published in SOLUTIONS Spring 2001

	Article 1 Bridgewater solves rejected paper problem with BTG valves

	Article 2 JEA maximizes MW output with latest control valve technology

	Article 3 Poor control of spraywater solved for SK Energy

	Article 4 Process steam reliability concerns eliminated for 800 MW plant

	Article 5 Turbine bypass systems for new SCE&G power plant

	Article 6 CCI atmospheric resistors prevent steam vent noise generation

	Article 7 Suizhong power plant replaces leaking BFP recirc valves

	Article 8 Increase MSIV and MFIV maintenance intervals with system medium actuated technology

	Article 9 Excellent past experience prompts repeat order for new Texas plant

	Article 10 Moneypoint gains 8 MW with DRAG ® upgrades

	Article 11 MSEB in India boosts MW output with velocity control

	Article 12 McIntosh power plant opts for CCI turbine bypass system

	Article 13 Sithe chooses proven experience for its new Fore River turbine bypass system

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