| Availability: | |
|---|---|
| Quantity: | |
J-VALVES
Design Features
Integrally Forged Valve Body:Valve body is integrally forged from high-quality forged steels including A105, LF2, F304, F316 and F51 (duplex stainless steel), featuring dense grain structure and high pressure-bearing capacity, suitable for high-pressure service from Class 600LB to 2500LB.
Fully Welded Structure:Valve body is fabricated by butt-welding of cylindrical forgings or fully welded from split forgings, without body flanges or external leakage paths, achieving true zero fugitive emission andcomplying with API 6D requirements for buried service valves.
Electric Actuator Configuration:Multi-turn or part-turn electric actuators with protection grade IP67/IP68 and explosion-proof rating Ex d IIB T4/Ex d IIC T6. Supports communication protocols such as Modbus, Profibus and HART, enabling integration with SCADA systems.
Floating Ball / Trunnion Mounted Ball Optional:DN50–DN200 (2″–8″) adopts floating ball design with pressure-activated self-sealing; DN250 and above (10″ and above) adopts trunnion mounted ball design with low stem torque and easy operation under high pressure.
Seat Sealing Technology:Soft seats (PTFE/RPTFE/PEEK) provide bubble-tight zero leakage; metal seats (Stellite alloy / nickel-based alloy) are high temperature and erosion resistant, with service temperature up to +650℃.
Butt-Weld End Design:BW (Butt Weld) ends comply with ASME B16.25, with groove type automatically matched to wall thickness, high welding joint coefficient, suitable for buried and crossing projects.
Anti-static & Fire-safe Design:Anti-static springs and copper conductors installed between body and ball, stem and body, with resistance <10Ω. Complies with API 607/ISO 10497 fire test, maintaining sealing after fire.
Blowout-proof Stem Design:Stem is equipped with a bottom shoulder to prevent accidental blowout under internal pressure, meeting API 6D safety requirements.
Grease Injection & Sealing System:Grease injection valves provided at seat and stem areas for emergency temporary sealing. Double Piston Effect (DPE) seat design enables self-sealing for either upstream or downstream leakage.
Buried Service Adaptation:Extended stem and protective sleeve optional to locate operating mechanism above ground. Drain and vent valves installed on top of body for on-line maintenance.
Technical Specifications
Size Range: 2″ to 48″ (DN50 to DN1200)
Pressure Rating: Class 150LB to 2500LB (PN20 to PN420)
Temperature Range: -29℃ to +425℃
Body: A105 (carbon steel), LF2 (low-temperature carbon steel), F304/F316, F51 (duplex stainless steel), F53 (super duplex stainless steel), Inconel 625
Ball: F316, F51, F53, Inconel 625 with Stellite alloy coating (thickness ≥0.3mm, hardness ≥HRC 55)
Seat: PTFE, RPTFE, PEEK, Devlon V, 316 with Stellite hardfacing, Inconel 718 with tungsten carbide coating
Stem: F316, 17-4PH, Inconel 718, XM-19, hard chrome plated or nitrided surface
Gaskets: Metallic ring gaskets (soft iron, 304, 316, F5), lens gaskets (for high-pressure service)
Packing: PTFE V-type set, flexible graphite, low-emission graphite rings (compliant with ISO 15848-1)
End Connections: Butt Weld (BW, ASME B16.25), fully welded body (direct pipeline welding without ends)
Actuator Type: Multi-turn (gate valve type), part-turn (ball valve type)
Control Mode: On-off, modulating (4-20mA/0-10V), intelligent (local display, fault diagnosis)
Communication Protocols: Modbus RTU/TCP, Profibus DP/PA, HART, Foundation Fieldbus
Safety Functions: ESD emergency shutdown, Partial Stroke Test (PST), SIL 2/SIL 3
Design Standards: API 6D, API 608, ASME B16.34
Test Standards: API 6D, API 598
Applications
Natural Gas Long-Distance Pipelines:Mainline block valves, compressor station inlet/outlet valves, pig launcher/receiver valves, enabling remote monitoring and emergency shutdown to ensure pipeline safety.
District Heating Networks:High-temperature and high-pressure hot water or steam pipelines in thermal power plants, booster pump stations and heat transfer stations, withstanding temperature up to +350℃ and pressure up to 2.5MPa.
Oil Transmission Pipelines:Pump station inlet/outlet valves and tank farm isolation valves for crude oil and refined product pipelines, resistant to sour media and wax deposition.
LNG Receiving & Liquefaction:Low-temperature pipelines (-162℃) at LNG terminals, liquefaction plants and vaporizing stations, maintaining reliable sealing and operation under cryogenic conditions.
Coal Chemical & Chemical Industry:High-pressure syngas and hydrogen pipelines in coal-to-gas and coal-to-oil plants, resistant to high pressure and corrosive media.
Underground Gas Storage:Key shut-off valves for injection-production wells and gathering stations, resistant to high-pressure alternating loads and impure natural gas.
Advantages & Value
Intelligent Automation Integration:Electric actuators support full digital communication, connecting to SCADA/DCS systems for remote monitoring, fault diagnosis and predictive maintenance.
Safety & Compliance Assurance:ESD emergency shutdown, SIL safety certification, fire-safe and anti-static design, meeting functional safety regulations and insurance requirements.
Lower Total Cost of Ownership:Maintenance-free design reduces inspection and repair labor; intelligent diagnosis cuts unplanned downtime losses, delivering significantly lower 20-year TCO compared with split-body valves.
The industrial gate valve is one of the most widely used isolation valves in high-pressure pipeline systems. Designed primarily for fully open or fully closed service, gate valves provide excellent flow capacity, low pressure loss, and reliable shut-off performance in demanding industries such as oil and gas, petrochemical, power generation, and chemical processing.
J-VALVES manufactures 24" 1500LB WCB micro-resistance slow closing swing check valve, API 6D certified high pressure non return valve, eliminate pipeline water hammer, custom service for oil, power & gas transmission lines, industrial valve manufacturer since 2009 with global project cases.
Globe valves are essential linear motion control components widely used in industrial piping systems for fluid shutoff, pressure regulation, and flow control. Among the most commonly deployed variants are ordinary straight globe valves and Y-type globe valves.
In modern industrial piping systems, check valves play a critical role in preventing reverse flow, protecting pumps, compressors, and other pressure-sensitive equipment. Among various check valve designs, the lug type dual plate check valve has become a preferred solution for applications requiring compact structure, reliable sealing performance, and efficient flow control.
In industrial pipeline systems, maintaining stable fluid flow is essential for improving equipment efficiency, reducing maintenance requirements, and extending the service life of critical components. Y Strainers, also known as Y Type Filters, are widely used as pipeline protection devices to remove unwanted solid particles and prevent contamination from affecting pumps, valves, heat exchangers, and other process equipment.
An in-depth analysis of the non-slam design principles and selection criteria of large-diameter axial flow check valves (30" 600LB WCB), combined with J-VALVES' real success stories in gas stations and high-pressure pumping stations to provide one-stop fluid control solutions.
In modern industrial pipeline systems, reliable flow control and prevention of reverse media flow are essential for ensuring equipment safety and operational efficiency. Double Plate Wafer Check Valves, also known as Dual Plate Check Valves, have become a preferred solution in many industries due to their compact structure, fast response capability, and excellent sealing performance.
Marine piping systems operate in some of the most challenging environments, where seawater corrosion, suspended particles, and continuous operation can significantly affect equipment reliability. Effective filtration is essential to protect pumps, valves, heat exchangers, and other critical components from damage caused by foreign particles.
A professional guide on choosing pneumatic actuators and explosion-proof limit switches for high-risk industrial conditions (high temp, pressure, explosive gas). Learn J-VALVES' selection criteria and field success.
In demanding industrial environments, valve material selection directly influences system reliability, maintenance frequency, and long-term operating costs. For applications involving seawater, offshore platforms, shipbuilding, and corrosive industrial media, C95800 Nickel Aluminum Bronze Gate Valves have become a preferred solution due to their excellent corrosion resistance, mechanical strength, and durability.
In industrial pipeline systems, maintaining clean fluid flow and protecting downstream equipment are essential for improving operational reliability. The Y Type Strainer is one of the most widely used filtration devices for removing unwanted solid particles from liquid and gas systems.
J‑VALVES manufactures stainless steel flanged gate valves complying with GOST 5762‑2002 Russian standard with strict workshop quality control, suitable for Russian oil & gas, pipeline projects, offering customized gate valves with reliable corrosion & low‑temperature resistance.
Confused about DBB, DIB-1 & DIB-2 trunnion ball valve seat structures? Learn SPE/DPE sealing mechanism, API 6D double block and bleed standard, J-VALVES DBB valve technical advantages for oil gas, LNG and chemical process industry.
In demanding industrial environments, valve material selection plays a critical role in ensuring long-term reliability, especially in applications involving seawater, marine systems, offshore platforms, and corrosive media. The C95800 triple offset flanged butterfly valve has become an ideal flow control solution due to its excellent corrosion resistance, high mechanical strength, and advanced sealing performance.
Among pipeline protection equipment, the Y strainer plays an important role in removing unwanted solid particles and protecting critical downstream equipment such as pumps, valves, meters, and heat exchangers.
Learn swing check valve working principle for pipeline backflow prevention. J-VALVES swing check valve manufacturer, carbon/stainless/alloy steel, API 6D certified for oil gas water treatment, low pressure drop zero leakage, custom service available.
Real workshop photos of J-VALVES floating ball valve production line. Full manufacturing process of stainless steel & WCB carbon steel flanged floating ball valves, CNC machining & API standard pressure test. Mass production & custom service for global overseas industrial pipeline projects, check our factory quality control capacity.
In critical industrial systems, valve reliability directly affects operational safety, process stability, and equipment protection. Applications such as LNG terminals, petrochemical plants, power generation facilities, and high-pressure process systems require valves that can provide accurate flow control, dependable shutoff, and long-term service performance.
In industrial pipeline systems, maintaining stable flow quality and protecting downstream equipment are essential for operational efficiency. Basket strainers play a critical role in removing solid contaminants such as rust, scale, welding debris, and particulate matter from fluid systems.
J-VALVES manufactures 16" 150LB WCB large bore gate valves complying with API 6D standard, RF & RTJ flange faces, WCB carbon steel for oil & gas, petrochemical pipeline projects. In-house workshop, mass export worldwide, customized large size gate valves with successful industrial cases.