OverviewThe J11W brass internal thread globe valve is a versatile valve constructed from high-quality copper alloy and featuring an internal thread connection design. It operates by rotating the handwheel to drive the valve stem and disc along the vertical axis of the seat, enabling reliable opening, closing, and flow control of pipelines.The core design lies in the use of high-purity copper alloy casting for critical components such as the valve body, bonnet, and disc, which provides excellent thermal conductivity, corrosion resistance, and machinability for effective sealing. This makes it particularly suitable for water, steam, oil products, and mildly corrosive media.The valve sealing pair adopts a conical or planar precision fit structure, combined with an elastic gasket or self-centering design, ensuring tight sealing under normal temperature and medium-to-low-pressure conditions. The valve employs an internal thread connection method, allowing direct installation by screwing onto the pipeline system via pipe threads, resulting in a compact structure and easy assembly/disassembly.The valve is manually operated by rotating the handwheel, utilizing a threaded transmission mechanism to convert rotational force into linear motion of the stem and disc, achieving smooth and responsive opening and closing operations. This valve is widely used in building water supply and drainage, HVAC systems, small industrial equipment, instrument pipelines, and household piping systems. It is especially suitable for applications where valve weight, corrosion resistance, and cost-effectiveness are key considerations.Product drawing of J11W brass internal thread globe valve

OverviewThe J11W "Su Shi" internal thread globe valve is a standard valve featuring a "Su Shi" structural design with internal thread connections. It operates by rotating the handwheel to drive the valve stem and disc, which move vertically along the centerline of the valve seat, ensuring reliable opening and closing of the pipeline. Its design centers on the integrally cast "Su Shi" flow passage structure, which reduces fluid resistance, ensures even wear on the sealing surfaces, and extends service life.Key sealing components of the valve are made from wear-resistant and corrosion-resistant materials, combined with precisely engineered conical or planar sealing designs to guarantee excellent sealing performance under normal temperature and medium-to-low-pressure conditions. The valve employs an internal thread connection method, allowing it to be directly screwed onto the pipeline system via pipe threads, offering a compact structure and simple installation.The valve is typically operated manually by rotating the handwheel, utilizing a threaded transmission mechanism to convert rotational force into linear motion of the valve stem and disc, achieving stable and responsive on/off control. It is widely used in pipeline systems handling water, steam, oil products, and mildly corrosive media, and is particularly suitable for applications requiring fluid shutoff or connection in instrumentation, heating, HVAC, small-scale equipment, and medium-to-low-pressure pipelines.J11W "Su Shi" Internal Thread Globe Valve Product Drawing

OverviewThe J11W Forged Steel Internal Thread Globe Valve is a valve designed for reliable on/off service in pipelines, operating through a stem-driven disc that moves vertically along the seat centerline. Its core design features a body constructed from high-quality forged steel, ensuring structural integrity and safety under high-pressure, high-strength, and demanding operating conditions. The sealing surfaces of the disc and seat are typically machined directly from the base material or overlaid with hard alloy, forming a metal-to-metal hard seal that provides excellent resistance to high temperatures, wear, and erosion. The valve employs an internal thread connection, allowing direct engagement with external pipe threads for a compact, robust, and easily installed joint. The valve structure is generally designed with a flow path following a "low-inlet, high-outlet" configuration to reduce operating torque. Operation is achieved via a manual handwheel that drives the stem, converting rotary motion into linear movement of the disc to ensure smooth and reliable opening and closing. This valve is specifically intended for use with demanding media such as steam, oil, and non-corrosive high-pressure gases and liquids. It is particularly suitable for applications requiring high nominal pressure, exceptional valve strength, and reliable sealing performance, including petroleum, chemical, power station, and high-pressure industrial pipeline systems.Product Illustration of J11Y Forged Steel Internal Thread Globe Valve

OverviewThe J11T Cast Iron Bronze-Core Internal Thread Globe Valve is a valve designed to achieve reliable opening/closing and flow regulation in pipelines by driving the valve disc, via the valve stem, to move vertically along the centerline of the valve seat. Its core design features a cast iron body and a bronze alloy disc (bronze core) embedded in critical sealing areas to enhance wear and corrosion resistance of the sealing surfaces. The valve adopts an internal thread connection, allowing direct screwing with external pipe threads for compact, convenient installation and sealing. The valve structure is typically designed with a low-inlet, high-outlet flow path to reduce operating torque and optimize fluid control. The valve relies on a manual device to drive the stem, converting rotational force into linear motion of the disc to achieve smooth and reliable opening/closing operations. This valve is specifically intended for general media such as water, steam, and oil in pipelines, particularly suitable for applications with low nominal pressure, limited installation space, and frequent operation, such as in civil buildings, water supply and drainage systems, and HVAC systems.J11T Cast Iron Bronze-Core Internal Thread Globe Valve Product Diagram

OverviewThe J11T Cast Iron Female Thread Stop Valve is a commonly used cast iron stop valve. By rotating the handwheel, it drives the stem and disc to perform a vertical lifting motion along the centerline of the seat, achieving reliable opening and closing of the medium in the pipeline. Its core design feature lies in the valve body being integrally cast from gray cast iron material, offering a compact structure, convenient manufacturing and maintenance, sealing surfaces that are not easily worn or scratched, good sealing performance, and a long service life. The valve's closure member is a plug-type disc, with sealing surfaces designed as flat or tapered surfaces. The disc moves linearly along the centerline of the fluid. The valve uses a female thread connection, directly screwing into the piping system via pipe threads. This installation method is simple and occupies minimal space. The stem movement type is typically the rising stem type (stem rises, handwheel does not rise), utilizing threaded transmission to convert rotational force into the linear motion of the stem and disc, achieving stable and sensitive opening and closing control. This valve is suitable for pipeline systems conveying water and steam media with operating temperatures ≤200°C. It is widely used in applications requiring fluid shut-off or passage in water supply and drainage, heating, HVAC, and medium/low-pressure pipelines, particularly suitable for pipeline conditions with nominal pressure PN10-PN16 and diameters DN15~DN50.J11T Soviet-style internal thread stop valve product drawing

OverviewThe J14B internal thread angle pattern ammonia globe valve is a specialized valve that employs an internal thread connection and an angle-type structure. It operates by driving the valve disc through the stem along the vertical axis of the seat to achieve reliable opening, closing, and shut-off control in ammonia medium pipeline systems. Its core design lies in the use of dedicated ammonia-resistant materials and sealing structures, ensuring the valve's ability to withstand the corrosiveness and permeability of ammonia media while maintaining safe sealing under low-temperature and high-pressure conditions.Key components of the valve are made from specialized corrosion-resistant and low-temperature-tolerant alloy materials. Through precision conical or planar sealing designs and an enhanced sealing structure in the stuffing box, the valve effectively prevents ammonia gas leakage. It features an internal thread connection method, allowing direct screwing onto pipelines via pipe threads, resulting in a compact structure and simple installation.The valve is typically operated manually by rotating the handwheel, utilizing a threaded transmission mechanism to convert rotational force into linear motion of the stem and disc, ensuring stable and responsive opening and closing control. This valve is widely used in refrigeration, chemical engineering, cold storage, and ammonia refrigeration systems for pipeline control. It is particularly suitable for applications requiring strict sealing and reliable shut-off in the transportation, storage, and processing systems of liquid ammonia, ammonia gas, and other ammonia-based media.Product Drawing of J14B Internal Thread Angle Pattern Ammonia Globe Valve

OverviewThe GB/T 595 Marine Male Thread Bronze Stop Valve is a type of stop valve specifically designed for ship piping systems. By rotating the handwheel, it drives the stem and disc to perform a vertical lifting motion along the centerline of the seat, achieving reliable opening and closing of the medium in the pipeline. Its core design feature lies in the valve body being integrally cast from bronze material, offering a compact structure and strong corrosion resistance, meeting the special environmental requirements of ships. The valve is available in two structural forms: Type A (straight-through type) and Type B (angle type), allowing flexible selection based on pipeline layout. The key sealing components of the valve utilize wear-resistant and corrosion-resistant copper alloy materials, and feature precision tapered or flat sealing surface designs, ensuring good sealing performance within the specified pressure and temperature ranges. The valve uses a male thread connection, where the external threads on the valve body mate with pipe shoulder threaded connectors (ferrule-type connectors) conforming to the CB*56 standard, achieving a tight connection with the piping system that is reliable to install and easy to maintain. The valve is driven by manual handwheel operation, utilizing threaded transmission to convert rotational force into the linear motion of the stem and disc, enabling stable and sensitive opening and closing control. This valve is suitable for media such as seawater, fresh water, fuel oil, lubricating oil, air, and steam with temperatures not exceeding 250°C in ship piping systems. It is widely used in applications requiring fluid shut-off or passage within ship power plants, auxiliary machinery, and piping systems, particularly suitable for ship pipeline conditions with nominal pressures of PN4.0 (for diameters DN15~DN32) and PN10.0 (for diameters DN6~DN32).GB/T 595 Marine Male Thread Stop Valve Product Image

OverviewJ13W needle type internal thread globe valve is a small-sized precision globe valve connected by metric fine thread internal thread. It drives the conical needle shaped valve disc to move vertically along the center line of the valve seat through the valve stem, achieving reliable opening and closing of instrument pipelines and micro flow regulation. The core of its design lies in a compact overall forged valve body structure, high-precision guiding threads, and a conical sealing pair that contacts the valve disc and seat. It adopts a metal hard sealing structure directly processed from the valve body to ensure a tight shut-off effect under high pressure conditions. High quality stainless steel materials are selected for key components of valves based on pressure temperature levels and medium characteristics to ensure long-term sealing reliability in corrosive media. The valve adopts metric fine tooth internal thread connection (such as M20 × 1.5), which is directly connected to the instrument pipeline through threads, with a compact structure and reliable sealing. The valve drives the precision threaded stem through the top handwheel, converting the rotational force into linear micro movements of the valve disc, achieving precise opening and closing control and flow regulation. This valve is designed specifically for instruments, sampling systems, and high-pressure pipelines, and is particularly suitable for precise control and reliable shut-off of high-pressure and low flow media such as steam, oil, and gas.Product drawing of J13W needle type internal thread globe valve

OverviewThe J21W External Thread with Nipple Globe Valve is a type of valve that achieves reliable opening and closing of pipeline media by driving the disc via the valve stem to move vertically along the centerline of the valve seat. Its design features a combined structure of external threads at both ends of the valve body welded to nipples, retaining the compactness of threaded connections while achieving permanent and robust attachment to the pipeline via welded nipples. The valve body is typically forged as a single piece from high-quality carbon steel or stainless steel, ensuring structural integrity and pressure-bearing capability under high-pressure and demanding conditions. The valve employs a metal hard-seal structure (body seal or hard alloy overlay welding), offering excellent resistance to high temperatures, erosion, and wear. Driven by a handwheel, the valve converts rotational motion into vertical linear movement of the disc, achieving smooth and reliable opening and closing control. Its extended design with nipples facilitates on-site welding installation and effectively distributes pipeline stresses. It is particularly suitable for applications with extremely high requirements for connection strength and leak-tightness, requiring compact connections, such as high-temperature steam, high-pressure oil and gas, and non-highly corrosive high-pressure liquids. It is widely used in power plants, refining and petrochemical facilities, high-pressure industrial equipment, and scenarios requiring precise control at pipeline terminals.Product Diagram of J21W External Thread with Nipple Globe Valve