Stop Valve J21Y-P55.5190P for Long Phu Power Plant｜YOYIK

Stop Valve J21Y-P55.5190P for Long Phu Power Plant｜YOYIK
2. Product Introduction
YOYIK Stop Valve J21Y-P55.5190P is a forged steel stop valve with P55.5190 pressure rating (≤55.5MPa) and A182 F304/CF8 stainless steel body (matching the "P" suffix), adopting straight-through structure and manual operation for high-pressure isolation in Long Phu Power Plant’s critical pipelines.
Engineered for Vietnam’s Long Phu Power Plant, Stop Valve J21Y-P55.5190P withstands maximum working temperature up to 510℃ and is compatible with superheated steam and high-pressure feedwater media, ensuring reliable cut-off performance in thermal power generation instrument loops and process pipelines.
3. Company Profile
YOYIK is a leading manufacturer of industrial valves and power plant equipment based in Deyang, offering high-pressure valve solutions for power projects across Vietnam including Long Phu.
4. Product Features & Operation Points
P55.5190 high-pressure design: Integral forging valve body of Stop Valve J21Y-P55.5190P withstands 55.5MPa pressure, meeting Long Phu Power Plant’s ultra-high-pressure pipeline isolation demands.
High-temperature resistance: Special heat treatment of J21Y-P55.5190P ensures stable performance at 510℃, adapting to Long Phu’s thermal power plant operating conditions.
Stainless steel advantage: A182 F304/CF8 material of J21Y-P55.5190P delivers excellent corrosion resistance, suitable for corrosive media in Long Phu Power Plant pipelines.
Reliable sealing: Metal-to-metal hard sealing structure of J21Y-P55.5190P achieves zero leakage, maintaining pressure stability during long-term operation.
Standard compliance: J21Y-P55.5190P complies with GBT 12235/API 602, passes NDT and pressure testing before delivery, meeting international power plant quality standards.
5. Applications
Long Phu Power Plant boiler feedwater isolation pipelines
Superheated steam main pipelines
High-pressure feedwater monitoring systems
Condensate water recovery pipelines
Turbine cooling water isolation loops
Chemical injection control pipelines
6. Closing Statement
Specifications and configurations of Stop Valve J21Y-P55.5190P can be customized according to specific project requirements of Long Phu Power Plant. Contact our technical team for detailed engineering support and performance data.

Our products include various replacement parts suitable for power plants, as listed below:
#DF-Stop valve J21Y-P55.5190P-DF
Journal Bearing HZB200-430-02-08
Needle valve C156.73.52.03
Bearing KQSN300-M13/348
reducer M02225.OBMCC1D1.5A
Combination sealing gasket 10/JB982-77
Fire resistant oil pump PVH074R01AB10A25000000
Solenoid valve CN70093-01(K21PT)
sealing ring HB4-56J8-51
Oil unloading pump 80AYZ-40
solenoid valve coil 300AA00126A 230VAC
Temperature control valve LHZG25-G1
Check valve H61Y-32
High main oil engine seal ring A1.1100A-MFQ
Centrifugal pump mechanical seal ALW80-250B
Servo valve 0508.1193T0102.AW020
Stator Cooling Water Pump Discharging Valve K100DOF4PB3 DN100
Stop check valve KLJC50-1.6P
pressure relief valve YSF9-35/130-KJTA
pressure hose SMS-12-1219mm-B
column valve ZF24A.00.00
Differential pressure valve 977HP 2
actuator solenoid valve 4WE10D33/CW230N9K4/V
Bearing bracket (free end, drive end) FK5G32-05-03
Stop valve J61Y-2000SPL
OPC solenoid valve 4WE6D62/EG220N9K4/V
Hydraulic motor solenoid valve SV4-10V-3-6T-220AS
pressure hose SMS-12/15-305mm-B
High pressure ball valve W-BKH-25S-20-4465-MAS
mechanical seal YL-09.05.08
Solenoid valve for hydraulic motor FRD.WJA3.002
Stop valve J65Y-2500LB SA-105
Stop valve J21Y-P55.5190P

GEAR PUMP PFG-142-D
Drainage pump 50AY60
Sealing ring HB4-58-63-4AR
EH oil Circulating pump 02-125801-3
Electric control valve (explosion-proof type) T947H-64
Two position, four-way solenoicvalve YDK24DHS
Radial thrust bearing CO46-09-17
O ring HY.SO.0018.V
Deflection speed regulating valve Z2FRM6CB2-20/32QRV
Thrust pad 0230/0010
sealing ring OR-020-V
Stop valve J21W-16P
butterfly valve 150D0F4PB3
Machinery Seal DLZB820R64BA
sealing ring HB4-56J8-62
gasbag NXQB-16/31.5-FA
Solenoid valve AK-4X201-08
BLADDER FOR ACCUMULATOR NXQ 40/10-40L
The electromagnetic valve P2LBX512ESNDDN 10BAR 145PSI 220VAC
servo valve SM4-20(15)57-80/40-10-H607
pressure hose S100-AC-AC-0100
Input (output) end oil throwing ring YOT46-508-00-01(06)
Emergency stop solenoid valve 4WE-6-D62/EG24N9K4
sealing ring HB4-56J8-150
sealing ring HB4-56J8-108
Sealing oil vacuum pump reducer M0222/5.0BGCC1
pressure hose SMS-12/20-915mm-B
Dust ring YJM131-0004
Inflatable seal- dome valve 200DV (silicone) Poids net 0, 445 P17460C-01
ATOS solenoid valve 0505.1958T0101.AW028
bellows globe valve (welded) WJ10F1.6PA
Stop valve J21Y-P55.5190P

DFYLCTY-2026-1-24-A