Shandong Yuhong Valve Co., Ltd. is one of the most reliable manufacturers and suppliers of power plant control valve in China. We have world-leading production equipment and strong manufacturing capabilities. Welcome to wholesale bulk high-grade power plant control valve from our factory.
A power plant control valve regulates steam, feedwater, condensate, desuperheating water, and other critical services across the generating system. It is built for long runs, accurate regulation, and service during planned outages - for thermal, combined-cycle, biomass, waste-to-energy, and industrial utility boilers.
Power plants run continuously for months at a time. Every valve faces high temperature, high pressure, and shifting loads, and a small control error can pull down whole-unit efficiency or force an unplanned shutdown.
Duty decides design. Feedwater needs anti-cavitation trim; steam bypass needs low-noise or multi-stage pressure reduction; condensate needs stable control at low differential. We do not force one trim on every loop - each valve is designed for its actual service.
Before production we review your process data and calculate the required Cv from flow, pressure drop, and operating conditions. Where needed we optimize the trim or narrow the internal flow passage to hit target Cv while keeping the body to pipe size.
Technical Parameters
|
Item |
Standard Options & Custom Range |
|
Product Name |
Power Plant Control Valve |
|
Valve Type |
Globe Control Valve |
|
Size Range |
DN20–DN400 (3/4"–16") |
|
Pressure Rating |
PN16–PN420 / ANSI Class 150–2500 |
|
Body Material |
WCB, WC6, WC9, CF8, CF8M, Alloy Steel |
|
Trim Material |
304, 316, 17-4PH, Stellite Hard Facing |
|
Seat Type |
Metal Seat |
|
Flow Characteristic |
Equal Percentage, Linear |
|
Bonnet Type |
Standard, Extended, Pressure Seal |
|
Connection |
Flanged, Butt Weld |
|
Actuator |
Pneumatic Diaphragm, Pneumatic Piston, Electric |
|
Leakage Class |
ANSI/FCI 70-2 Class IV, V |
|
Applicable Media |
Steam, Boiler Feedwater, Condensate, Hot Water, Thermal Oil |
|
Design Standards |
IEC 60534, ASME B16.34, ASME B16.5, ISO 9001 |
Key Features
Built for Continuous Operation
Plants run around the clock, so a valve may stay in service for months. Stable travel matters more than fast travel. We hold tight machining tolerance on stem, plug, and cage so movement stays smooth - less wear on trim and actuator, and a steadier control loop through load swings.
Trim Matched to Duty
Feedwater valves take high pressure drops. Steam bypass needs pressure reduction with noise control. Condensate needs accurate regulation at smaller differentials. We pick the internal structure from the service condition, which gives better performance and a longer interval between overhauls.
Easier Maintenance
Power station valves are serviced in scheduled outages, so time is short. The trim is built for quick inspection and replacement - worn plugs, cages, and seat rings swap out without changing the body. That cuts maintenance cost and shortens the overhaul.
Materials for Severe Service
Material choice follows pressure and temperature. Body, trim, hard-facing, and packing are selected for the actual condition; where erosion risk is high, Stellite hard-facing is standard to extend service life.
Applications
- Boiler feedwater control
- Main steam regulation
- Turbine bypass systems
- Spray water control
- Condensate regulation
- Continuous blowdown systems
- High-pressure heater drain control
- Low-pressure heater systems
- Auxiliary steam systems
- District heating stations
Correct valve selection at project start shortens commissioning; stable control through operation protects thermal efficiency and avoids avoidable shutdowns.
Manufacturing & Quality Assurance
Every valve is built under a full quality system:
- Raw material certificates checked before production
- Critical parts CNC-machined for dimensional consistency
- Pressure test, seat leakage test, travel calibration, and visual inspection before shipment
Project documentation available on request: Material Test Certificates (MTC), Pressure Test Reports, Dimensional Drawings, Inspection Reports, Packing Photos, Nameplate Photos. Third-party inspection (SGS, BV, TÜV, and others) can be arranged.
Packaging & Shipping
Large plant valves need careful handling. Each valve is fixed inside a heavy-duty export wooden case, with protective covers on flange faces and weld ends. Electric actuators and smart positioners get extra shock protection. Clear ID labels on every package make receiving and warehouse handling straightforward.
Procurement Notes
Batch consistency
We keep complete production records for every order, so a valve ordered years later is built to the original drawings and specifications.
Spare parts
Instead of replacing the whole valve, we supply plugs, cages, seats, packing sets, and other internals separately - lower long-term maintenance cost.
Delivery for shutdowns
We schedule production by project priority and send build updates before shipment, so you can line up the installation window.
FAQ
Q1: Can this valve be used for turbine bypass systems?
Yes. Trim structure is selected from pressure drop, steam velocity, and operating conditions.
Q2: How often should internal parts be inspected?
It depends on service. Most plants inspect the trim during scheduled annual or major outages rather than in normal operation.
Q3: Can worn trim be replaced without replacing the valve body?
Yes. In most cases plugs, cages, seats, and packing are replaced individually, which lowers maintenance cost.
Q4: Can you supply project documents?
Yes. Material certificates, inspection reports, pressure test reports, and drawings are available on request.
Q5: Do you support third-party inspection?
Yes. SGS, BV, TÜV, and others can be arranged before shipment per project requirement.
Q6: Can spare parts be ordered years later?
Yes. We keep manufacturing records for every project, so compatible spares are straightforward to supply later.
Why Choose Yuhong Valve
Power plant projects run for years, so buyers need more than a valve that passes a pressure test - they need consistency, technical support, and future maintenance. We have covered feedwater, turbine bypass, and condensate duties and know they are not the same problem; our engineers review the conditions and specify the trim that fits, not a default design.
We plan for the long term. Drawings, inspection reports, pressure test records, and material certificates are filed per order, and future valves or spares are built to the original records. EPC contractors get documentation and third-party inspection support; distributors get steady quality and consistent delivery; end users get less maintenance and a control system that stays reliable.
Expert Valve Selection
Need a reliable Power Plant Control Valve for steam, feedwater, or turbine control?
Send us medium, operating temperature, pressure, flow rate, and piping information. Our engineers will review the conditions, calculate the Cv, and recommend the valve that fits.
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