PN64 (6. 4MPa) Medium High Pressure Stop Valve J61Y-64I | YOYIK
Product Introduction
The J61Y-64I Stop Valve is a manual lift globe valve with an integral forged high-strength structure, adopting high-quality alloy steel (matched with PN64 pressure class and suffix I material specification) as its core body material. It complies with national industrial standards for nominal pressure PN64, which is accurately equivalent to 6. 4MPa under ambient temperature, and is equipped with a precision-machined manual lifting stem. It is specially designed for medium-high pressure pipeline systems in thermal power plants, suitable for applications that demand reliable pressure-bearing capacity, excellent high-temperature resistance and long-term stable operation.
It is well-adapted to the operating conditions of thermal power plant pipelines, applicable to media such as high-temperature superheated steam, high-pressure feedwater and light oil. Operating at a maximum temperature of 425℃ and pressure of 6. 4MPa (fully consistent with the PN64 pressure rating), it provides stable and precise on-off control for medium-high pressure pipelines and auxiliary instrument loops, fully meeting the strict operational standards of medium-high pressure pipeline systems in thermal power plants. It can be applied in projects like Koderma Power Plant.
Company Profile
YOYIK is a professional manufacturer focusing on industrial stop valves and power plant equipment, dedicated to serving the global energy industry and thermal power generation projects. We specialize in the R&D, design and production of high-standard stop valves complying with international and national industrial standards, including the J61Y-64I model perfectly matched with PN64 pressure class and corresponding alloy steel material (suffix I specification). Backed by a strict quality management system and a global after-sales service network, we can fully meet customers' high-standard requirements for medium-high pressure stop valve products in thermal power plants.
Product Features & Operation Points
- PN64 (6. 4MPa) Pressure Class Compliance: Adhering to national industrial standards for PN64 nominal pressure, the valve delivers reliable medium-high pressure bearing performance, capable of withstanding the impact of high-pressure media in thermal power plant pipelines while maintaining leak-tight and steady operation, fully fitting the medium-high pressure working environment of thermal power generation.
- Superior Shut-Off Reliability: Featuring a precision-ground conical hard seal paired with surface hardening technology, the valve achieves tight, long-term media shut-off without leakage. This critical performance ensures the safety and stability of medium-high pressure pipeline systems, preventing operational risks induced by media leakage and supporting uninterrupted power generation.
- High-Quality Alloy Steel with Suffix I: Crafted from premium alloy steel that matches PN64 pressure class and suffix I material requirements, the valve offers exceptional high-temperature resistance (up to 425℃), along with strong mechanical strength, wear resistance and corrosion resistance, ensuring long-term reliable service in thermal power plant medium-high pressure pipelines.
- Reliable Sealing & Smooth Operation: Equipped with metal-to-metal hard seating and high-temperature resistant flexible graphite packing, the valve maintains stable sealing under medium-high pressure and high-temperature conditions, preventing media leakage and impurity intrusion. Its precision-threaded manual stem enables smooth, labor-saving operation for accurate on-off control of pipeline systems.
- International Standard Compliance & Convenient Maintenance: Manufactured in strict accordance with API 598, HG/T 20592 and other international/national standards, the valve is fully compatible with global large-scale thermal power plant equipment. Its top-mounted design allows easy on-site inspection and maintenance, reducing equipment downtime and maintenance costs effectively.
Applications
- Medium-high pressure pipeline systems in thermal power plants (e. g. , Koderma Power Plant)
- Boiler auxiliary systems, including medium-high pressure feedwater and superheated steam conveying pipelines
- Turbine cooling water and lubricating oil medium-high pressure pipeline systems
- Medium-high pressure instrument loop control pipelines in thermal power generation facilities
- Auxiliary medium-high pressure steam transmission networks in large thermal power stations
- Medium-high pressure light oil and auxiliary media conveying pipelines in thermal power plants
- Medium-high pressure pipeline shut-off and isolation applications in thermal power generation
Closing Statement
Specifications and configurations can be customized according to specific project requirements. Contact our technical team for detailed engineering support and performance data.
We have abundant inventory of spare parts required by the factory, including:
#DF-Stop valve J61Y-64I-DF
AC explosion-proof motor YB2-100L1-4/2. 2KW/380V/1420r/min
Instrument valve J21H-200P
BALL BEARING SINGLE ROW RADIAL DEEP GROOVE NO. 6206
Socket diaphragm valve YX-DN15
Bellows valves KHWJ65F1. 6P
Sealing ring FK5G32-04-11
Mechanical seal 10014CH1-5008
Stop valve J961Y-2100SPL
Oil Pump 50LY-40A
tee joint globe valve Q23JD-L10
Stop valve J561Y-1500Lb
Buffer pad L110
pressure hose SMS-15-305mm-C
solenoid valve 4WE6E-61/CW220-50N9Z5L
Spare Part Kit DN200/M3231
Gearbox M01225. OBMCC1D1. 5A
Fluorine rubber O-ring φ28*2. 65
Sealing oil vacuum pump reducer MO1225. OBMCC1D1. 5A
Check valve H44H-64
Rubber Bladder for ST Low Pressure Accumulator NXQ A-25/31. 5-L-EH-S
Butterfly valve oil engine sealing ring φ14*2. 5
Accumulator bladder NXQB-150/20-F-A
Shell and tube oil cooler GLC3-4-1. 6
Oring for pump 60LKXA-24. 6
Vacuum stop valve DKJ41H-16P
Check valve H61Y-420V
sealing ring OR-009-V
servo valve J073-185
electric motor 170TYD-S20Lmin\F\IP54
AST secondary valve G080971
Coil MCSCH024DG000010
Solenoid valve 22FDA-F5T-W230R-20
The electromagnetic valve DH. 00. 009
Corrugated globe valve WJ32F-1. 6P
Stop valve J61H-600Lb
Bolt heating rod (hose) ZDKL=730D=522φ18
Stop valve J61Y-64I
Reheat hot section plugging valve SD61H-P5550V SA-182 F91
Mechanical seal G50
regeneration pump 2PB6. 2D G28P1-V-VS40/10
Maintenance package 191247
gate Z473Y-10V
Gearbox DCY 400-20-II
solenoid valve HR3W6DG220NV
Electric rubber lined butterfly valve D941X-10C
bellows globe valve KHWJ15F-1. 6P
Front pump FA1D67
Throttle valve L41W-40P/20
Canned motor pump BA34H-112HBM-40-25-125\1. 1KW
Mechanical Stop Electromagnet DF2025
Proportional relief valve AGMZO-REB-P-NP-10/210/I
Sealing KIT NXQ-A-32/31. 5-L-Y-9
Electro-hydraulic switching valve MOOG S63JOGA4VPL
pressure relief valve YSF8-55/25-KJ
vane pump F3-V10
accumulator bladder GY300 B. 0
Mechanical seal BGM37G/60R-G9
The electromagnetic valve 531ASCO
Electric gate valve Z941Y DN400 PN. 4MPa T400℃
pressure relief valve YSF12-25/25-KJTA
The electromagnetic valve HQ14. 08Z
Skin NXQ-A25/31. 5-L-EH
Rubber Bladder for ST EH Oil Accumulator A-10/31. 5-L-EH
Threaded joint SS-PHN-NS4-MS20
level gauge BM26A/P/C/RRL/K1/MS15/MC/V/V
Vacuum stop valve DkJ61Y-100V
VALVE Q641F-16C DN20
profile seal 492/480*7. 06
Solenoid valve 22FDA-F5T
The electromagnetic valve SK7303
PRESSURE REDUCING VALVE DN40 D06F-1 ½ A
Pneumatic head diaphragm KS0125ZMAW16/BQ13UNOERH
Energy storage bag NXQ-AB200/10F-Y
Stop valve J61Y-64I
DFYLCTY-2026-1-27-A