Servo Valve G771K201A for Power Plant Application – Wanakbori Power

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Servo Valve G771K201A for Power Plant Application – Wanakbori Power

Product Introduction

The Servo Valve G771K201A is a core component of DEH systems in Wanakbori Power plant's 800MW coal-fired units. Adopting a two-stage double-nozzle flapper design, it converts electrical signals into precise hydraulic output to control steam valves, adapting to coal combustion and limestone-gypsum FGD conditions, ensuring stable unit operation.

Product Features

  • Max working pressure 210bar (3000psi), rated flow 95~227L/min, operating temperature range -40℃~+135℃
  • Dry Torque Motor Drive, 4ms step response, FKM seals for high reliability
  • Mechanical spring rod feedback, low hysteresis, ISO 10372-02 standard mounting
  • Requires ISO 4406<14/11 oil cleanliness, anti-pollution design for long service life

Applications

  • Control the steam valves of 800MW units, matching coal combustion to optimize power generation efficiency
  • Ensures precise load adjustment and DEH system stability for large-capacity units
  • Adapts to FGD auxiliary system conditions, ensures stable operation of wet desulfurization equipment
The above is for reference only. For specific details, please contact me via email.

YOYIK is a company that integrates research and development, production, and sales. It is based in Deyang and specializes in the in-depth development and customization of special spare parts for power plants. The company's products are widely used in the chemical, electric power, and steel industries. From sealants and insulation materials to pump valve sensors, each product represents the high standards of the industry. With integrity management and a service-first approach, YOYIK continues to create value for global customers.

The following are various spare parts options that our company can provide for power facilities.

#DF-Servo Valve G771K201A-DF

Protective Plate YOT46-508-10-02

VALVE WITH ELECTRO HYDRAULIC ACTUATOR & Controller VF-930A & KEW2-P16-500MS & 4800RSC2-S

pipe clamp SP3-21. 3PADF-AS

Hach Tungsten Lamp 18950

The electromagnetic valve SK7303

Regulating Valve Diaphragm 1002GCN36XXCXAQOST

Electric Motor Y2-90L-4

coupler R16K450M

Steam Trap J65Y-P55. 550V

977HP Differential Pressure Valve Diaphragm

Pressure Relief Valve YSF8-85/130-KJTA

Hydrogen Side Sealing Oil Balance Valve 19C194H01

Ball Valve Q91F-25P

Servo Valve MOOG 72-1202-10

Valve G761-3039B

Ejection Oil Solenoid Valve 2YV

Stop Valve J61Y-1500SPL

sealing ring OR-135-V

Cooler GLC2-0. 8

Oil Filter SDGLQ-10T-50

Stop Valve WJ961Y-250

valve E-ME-A-05F20

Bearing end cover FK4E39K-05-07

Gate Valve NKZ961H-25

Wet Solenoid Directional Valve 4WE10Y3X/CG220N9K4/V

Check Valve H64H-300SPL

Centrifugal Oil Supply Pump 40AY35X7

Pressure hose SMS-12/N1/4-305mm-C

Oil Seal ZMJ1050A PL110

Small Turbine EH Oil System Accumulator Bladder NXQA-25/10-L

Swing Check Valve H64Y-25V

Servo Valve G771K201A

Servo Controller BGCD-6121B

Hexagonal socket head cap screw HPT300-340-01A-09

4WE10Y30/CG220NZ4 Solenoid Valve

Accumulator Gas Tank NXQA-4/315-L

Water Replenishment Solenoid Valve EVSI DN25 PN1.6

Regulating Valve KS100ZXNO016, DN100, PN16

Pressure Hose S100-AC-AL-0040

Pressure Relief Valve YSF12-70/130-TH

Servo Valve BLWG-DEH-EN-001-00A

Pressure Hose S100-AC-FA-0320

Stop Valve J11T-10Q

O-ring HY-SO-0092-V

Mechanical Seal DFB125-80-250-20(Ⅱ)

Nut HPT300-340-01A-08

Oil Pump 5MCY-14-1B

Pressure hose SMS-12/15-915-B

Servo Valve S15FOFA4VBLN Nozzle Flapper Standard Dynamics

Shut-off Valve SEMPELL VA500 F22 2

Globe Valve Seals kit 11G4DJ-1055F-14-1

AST Solenoid Valve ZD. 02. 004

Shutoff Valve HGPCV-02-B10

Check Valve H14H-16P

Accumulator bladder NXQ. A-1. 6/31. 5-L-Y

Manual Butterfly Valve Reducer QDX3-1

Oil unloading pump 80AYP60

AST Solenoid Valve 4WE-6-D62/EG220N9K4

High Voltage Interruption Module Seals 0508. 740T0301. AW

Safety Valve A1050 DN50 Pn10MPa

GEAR OIL PUMP RCB-300

Return Pump KCB200

Stop Valve WJ40-F1. 6P

Servo Valve G771K201A

DFYLCTY-2026-1-13-A

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