MOOG Valve D633-521B As a high-tech enterprise integrating R&D, production and sales, YOYIK focuses on the innovation and application of special spare parts for power stations. Relying on Deyang's strong industrial foundation, the company has an elite team of retired senior engineers and senior technicians who have participated in many national key projects, such as the construction of Gezhouba, Ertan and Three Gorges power stations, bringing unparalleled technical advantages and practical experience to YOYIK. From steam turbine accessories to electrical insulation materials, YOYIK's products are well-known in the industry for their high performance and high reliability. Our products include various replacement parts suitable for power plants, as listed below: #DF-MOOG Valve D633-521B-DF hydraulic servo valve controller D633-7115 Type A08KA4F0VBY VALVE POPPET ASSY Lube oil pump of PA and FD Fan NB2-C32F air control valve WSF-A 380V Coupling ACF 090N5 ITBP needle valve NV-06L Pipe clamp RAPR2-217.2 solenoid valve 4WE6D6X/EG24N9K4 mechanical seal L270/91 Bellows valves WJ10F-1.6 servo valve Q60TBAF-4NEM2NB-OK1C1 Coupling elastic block LDY60-30*480*17 Oring A156.33.01.10-24X2.4 Seal/O-ring HB4-5866-2B Diaphragm valve GMFO ball valve RV-L-28-M33*2WD-OMD-PH Oil unloading pump 2G116-190 Seal oil for vacuum pump WS-30-3A 6v solenoid CCP115D solenoid valve F3DG5S2-062A-50-DF-ZK-Y Stop throttle check valve LJC15-1.6P Accumulator capsule NXQ-A-25/31.5-L-Y25L Shaft seal 589332-00G globe valve dn100 LJC25C-4.0P Sealing components NXQ-25/20L-Y Regulating valve balance diaphragm 977HP-15 gear pumps 2CY-5/0.5 pump HSNH210-46 pressure regulating valve AGMZO-TERS-PS-010/210/I The electromagnetic valve 4WE6Y6X/EG110NZ5L/V pressure relief valve YSF16-55/25-KJTA Low pressure butterfly valve TLD71H-16R One-way valve CV1-16-P-0-20 Spoon tube CO46-07-2 RUBBER BLADDER NXQ-A-1.6L/20-L-Y/R industrial gear box MO2225-OBMCC1D1-5A MOOG Valve D633-521B MOOG Valve D633-521B ZYR-DFYL-2025-1-14