Ball Valves for Power Generation
Thermal and gas turbine power plants require precision ball valves for HP/LP steam bypass systems, fuel gas isolation, turbine sealing steam, and cooling water circuits — demanding ASME B16.34 Class 600–2500 ratings, A105/A182 F316 forgings, and IBR compliance for Indian power projects.
Key Applications — Ball Valves in Power Generation
HP/LP Steam Bypass Systems
High-pressure (HP) and low-pressure (LP) turbine bypass ball valves isolate the bypass path from boiler to condenser during turbine startup/shutdown — Class 900–2500, forged body, metal seats for high-temperature steam.
ASME B16.34 Class 900–2500, DN25–DN150, ASTM A105N forged CS or A182 F91, SS 316 trim, graphite packing, IBR approved for Indian power plants, BW ends
Fuel Gas Isolation — Gas Turbines
Gas turbine fuel gas isolation ball valves (FGIV) isolate natural gas supply to combustion chambers — fire-safe API 607, anti-static, ESD actuated for emergency fuel cutoff in turbine trips.
API 6D + API 607 fire-safe, Class 300–600, A216 WCB or A352 LCC, NACE MR0175 optional, anti-static, pneumatic spring-return ESD actuator, flanged RTJ
Demineralised Water & Condensate Makeup
Demineralised (DM) water makeup and condensate polishing system ball valves require corrosion-resistant internals — SS 316L body and trim to prevent contamination of ultra-pure boiler feedwater.
ASME B16.34, DN25–DN200, SS 316L body, SS 316L trim, PTFE seats, Class 150–300, flanged RF or BW, ultra-pure water service
Turbine Sealing Steam & Gland Condensers
Gland steam supply and exhaust isolation ball valves control steam supply to turbine gland seals — compact forged SS 316 ball valves with graphite packing for high-cycle steam service.
ASME B16.34 Class 800–1500, DN15–DN80, A182 F316 forged body, SS trim, graphite packing, butt-weld or SW ends, high-cycle rated
Coal Pulveriser & Transport Lines
Coal pulveriser inerting nitrogen ball valves and pulverised fuel (PF) transport system isolation require ATEX-rated, anti-static valves with hard-facing for abrasive coal dust — full-bore for no blockage.
API 6D + ATEX Zone 21, DN80–DN300, A216 WCB, hard-faced Stellite seats, anti-static device, API 607 fire-safe, flanged RF, full-bore
Required Certifications
Recommended Materials
Selection Factors
Technical FAQs
Do ball valves for Indian power plants need IBR approval?
What class ball valve is used for HP turbine bypass in thermal power plants?
Can ball valves be used for natural gas isolation on gas turbines?
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Ball Valves for Power Generation
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