Electric stop valve body J961Y-3500LB｜YOYIK

Electric stop valve body J961Y-3500LB for Quang Ninh power Power Plant｜YOYIK
Product Introduction

The J961Y-3500LB Electric Stop Valve Body is a key component of electrically operated cutoff systems, featuring a forged integral structure, straight-through flow passage design and high-pressure bearing capacity. Compliant with ASME 3500LB pressure class (equivalent to PN54MPa), it is made of A182 F304/CF8 austenitic stainless steel (marked by model suffix Y), which is specially developed for high-pressure, high-temperature working conditions in power generation industry, and is highly compatible with the pipeline systems of Quang Ninh power Power Plant and other large thermal power stations. Its optimized valve body structure effectively reduces flow resistance and improves medium circulation efficiency while ensuring reliable isolation performance.

As a core part of the electric stop valve, this valve body is mainly used in the high-pressure pipeline networks of Quang Ninh power Power Plant, capable of adapting to media such as high-temperature superheated steam, high-pressure boiler feedwater and heavy oil. It can stably operate under the maximum working pressure corresponding to ASME 3500LB (≤54MPa) and maximum working temperature of 550℃, perfectly matching the strict operational standards of power plant boiler systems, turbine high-pressure pipelines and key instrument control loops. It provides a solid structural guarantee for the safe and stable operation of power generation equipment by bearing high pressure and isolating media reliably.

Company Profile

YOYIK is a leading manufacturer of industrial valves and power plant equipment in the global energy industry, focusing on the design, R&D and production of high-demand electric stop valves and other power plant spare parts. It has a complete quality management system and a global service network, providing customized solutions for power, chemical and steel industries.

Product Features & Operation Points

- Forged A182 F304/CF8 austenitic stainless steel material ensures excellent high-temperature resistance, corrosion resistance and pressure-bearing capacity, which can withstand the erosion of high-pressure, high-temperature media in Quang Ninh power Power Plant’s pipelines and prolong the service life of the valve body.

- Compliant with ASME 3500LB pressure class (PN54MPa), the valve body is designed and manufactured in strict accordance with international standards, with a hydrostatic test pressure of 81MPa, effectively preventing leakage under extreme high-pressure working conditions.

- Integral forged structure eliminates internal defects such as pores and cracks, enhances the structural strength and stability of the valve body, and adapts to the frequent pressure fluctuation environment of power plant high-pressure pipelines.

- Precision machined valve seat and valve core matching surface, combined with hard metal-to-metal sealing technology, ensures excellent sealing performance, reduces medium leakage and lowers daily maintenance costs.

- Standardized interface design, fully compatible with international general electric actuators and power plant pipeline specifications, facilitating quick installation, replacement and maintenance, and improving the efficiency of power plant equipment maintenance.

Applications

- High-pressure steam pipeline of Quang Ninh power Power Plant’s boiler system

- Turbine high-pressure feedwater cutoff pipeline in thermal power plants

- High-pressure auxiliary pipeline system of Quang Ninh power Power Plant

- Boiler superheater and reheater pipeline isolation system

- High-pressure instrument control loop of power generation facilities

- Heavy oil transportation and cutoff pipeline of power plant

- High-pressure condensate water pipeline system of thermal power plants

End Statement

Specifications and configurations can be customized according to specific project requirements. Contact our technical team for detailed engineering support and performance data.

We can provide a variety of spare parts for power plants, as follows:
#DF-Electric stop valve body J961Y-3500LB-DF
flow Regulating valve RV1-10-0-18
Shaft end seal HSNH440-40
globe valve J11F-16P DN6
Bellows valves WJ10F-1.6
High pressure ball valve HQ14.57Z
butterfly valve 150DSF4CB3
pump DFB-II-125-80-250
Oil engine pressure control valve F3RG06D330501732G10S
Transformer pressure relief valve YSF8-55/80KJTH
pressure hose SMS-15/N1/4-1219mm-B
gate Z964Y-250
Gear Reducer Assly XLD-5-17
sealing ring HB4-56J8-15
Sealed Oil Vacuum Pump Reduction Box M02225.0BGCC1
Steam Trap J65Y-P55.550V
accumulator bladder NXQ-AB-100/2-F-Y
AST/OPC solenoid valve coil 300AA00309A
globe throttle check valve KJC50C-4.0P
Sealing oil vacuum pump reducer M0222/5.0BGCC1
EH Oil accumulator bladder SB330-10A1/114A9-330A
sealing ring HB4-56J8-71
pressure hose S110-AC-FB-0125
Control ball valve NEWAY API 6D
Bellows valves WJ15F1.6-II
accumulator bladder NXQ-L-10/31.5-A
pressure relief valve YSF16-70/80-TA
solenoid valve 22FDA-F5T-W220R-20/LBO
Shut-off valve J961Y-25
Pressure accumulator NXQ6.3-31.5
Leaf wheel key FAID67-01-05
SOLENOID VAE SPARE PART KIT K302-723
sealing ring HB4-56J8-29
pressure hose SMS-12-1524mm-C
globe throttle check valve LJC25C-4.0P
Servo valve D661-4444C
Globe valve WJ25F-16
bellows relief valve BXF-40
Electric stop valve body J961Y-3500LB

Accumulator bladder NXQ-L16/31.5-H
Fluid coupling YOX NZ 450
One-way valve 0508.2498T1201.AW004
BLADDER NXQ-AB-40/20 L
Servo valve C761-1010
Bellows pressure relief valve LXFK-DN50
Solenoid valve DGMC-3-PT-GW-41
Gate Valve DN25 PN16 Z41H-16C
Coil 1240-220V
Vacuum stop valve DkJ61Y-100V
Excitation cabinet axial fan RD13S-2EP.WD.2R
solenoid valve 8223G010/1/2NPT/AC220V
Oil guard HZB200-430-02-01
PUMP F3-V10-1S6S-1C20L
hydraulic hose assembly G1/4-M16*2-3000MM
solenoid valve DG4V32AMUSA760
Globe valve WJ41F-25P
Oil slinger HZB253-640-01-05
Isolation valve F3DG5S2-062A-220DC50-DFZK
Ball valve Q41F-16C
coupling F3SV107PA
Accumulator bladder NXQA-40/31.5-L-E-1
differential pressure valve diaphragm 977HP diaphragm
Screw pump 3GR85X2
Directional valve 0508.1169T0301.AW011
Superheater outlet plug valve SD61H-P54140V 12Cr1MoV
Stop valve J15F-16P
oil pump T6C-025-1R00B1
Solenoid valve DG4V32AMUSA760
Safety valve A47Y-16C
DT 0508.2303T0102.AW003
Dump Valve DN100 P28182B-00
Mechanical seal ZU44-55
Proportional valve DHZO-TE-071-L140
Oil unloading pump 80AYⅡ60A-2
EH oil pump PVH074R01AA50B252000002001AB010A
Check valve H44-40
Electric stop valve body J961Y-3500LB

DFYLCTY-2026-1-29-A