Category:Hardware & Tools/Pipe Fittings/Tee Fittings

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Category:Hardware & Tools/Cutting Power Tools/Drill Bits

Product Description:KOYO Koyo-sha POLIMALL SHEETPolishing Cloth for Maintaining ShineUsage:Polishing Cloth for Maintaining Shine is used to remove stains from the surface of workpieces, restoring their luster. Workpieces include jewelry, watches, silverware, metalware, woodenware, enamel, household appliances, and plastic products.How to Use:When using the polishing cloth on precious metals, gently wipe the surface several times by hand to restore its shine.After using the polishing cloth, you may gently wipe the surface again with a soft, dry cloth.After use, the surface of the polishing cloth may turn black, but this does not affect its functionality.Do not wash the used polishing cloth with water, as this may impair its effectiveness.If the user has skin conditions on their fingers, it is advisable to wear gloves while using the polishing cloth.When using the polishing cloth on plated or silver surfaces, apply light pressure to avoid removing the thin plating layer.If unsure, test the polishing cloth on a non-critical workpiece first. If satisfied with the result, proceed to use it in the formal polishing process.Do not use on the following workpieces:# Brand new and glossy surfaces# Optical glass lens surfaces# Soft plastic workpiece surfaces# Surfaces that already have a sanded glossy finishPackaging Specifications:Size: 125MM X 195MMPackaging: 100 sheets/boxJapanese Patent Registration Number: 1073685Colors:Yellow: (For removing thick stains from workpiece surfaces / removing rust, oil stains, dirt, and oxidation from precious metal surfaces).Blue: (For removing thin stains from workpiece surfaces, especially before packaging / removing rust, oil stains, dirt, and oxidation from silver surfaces).Composition: Cotton cloth, ultra-fine abrasive, wax, fatty acids, etc. more>

Category:Hardware & Tools/Molds & Dies/Other Molds

Product Description:Japan Composite Materials (Eagle Brand) Light Stopper Powerful Mold Cleaner, Degasser, and Descaling AgentLight Stopper - Powerful Mold Cleaner, Degasser, and Descaling AgentProduct Model: Light Stopper Place of Origin: Japan <img alt="Light Stopper" src="http://file03.up71.com/File/CorpEditImages/2018/12/22/0_zsqinggao_9981_20181222115628.JPG"/>Characteristics: This product is a colorless transparent liquid that can remove various resin residues and "gas buildup" adhering to the surface of metal molds, and effectively eliminate stubborn stains, including engineering plastics, flame retardants, super heat-resistant resins, pigments, etc. Usage: 1. For general contamination, after spraying this product for 4-5 minutes, the liquid will fully penetrate into the "gas buildup" and dirt areas, causing the dirt to float and fall off. 2. If there is minimal residue on the mold, only a few sprays are needed to remove it, reducing waste. 3. If the residue is abundant and stubbornly adhered to the mold, making it difficult to clean, spray this product and let it sit for a few minutes, then wipe it off with a soft cloth or soft brush. 4. Regardless of the amount of mold residue or the presence of textures, especially in cases of heavy and extremely dirty residue, or on the moving surfaces and corners of the mold, after using this product, wash once more with Mold Cleaner to thoroughly remove any remaining residue. Capacity: 420ml / bottle Packaging: 48 bottles per case more>

Category:Hardware & Tools/Molds & Dies/Other Molds

Product Description:Yamaichi Chemical (YAMAICHI) Mold Degreasing Cleaner DX CLEANER General-Purpose Cleaning Agent DX CLEANER Usage: Can be used to clean molds and products. Specifications: 420ML/bottle, 24 bottles/box, 18L/drum  more>

Category:Hardware & Tools/Fasteners & Connectors/Other Fasteners & Connectors

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Category:Hardware & Tools/Castings/Iron Castings

Product Description:Cast iron sluice gates are water flow control devices primarily made of cast iron, widely used in hydraulic engineering, water supply and drainage, and wastewater treatment. They regulate water levels and intercept flow by driving the gate plate up and down via a hoist. Structural CompositionMainly composed of gate frame, gate plate, lifting seat, and tight sealing bevel iron. The gate frame serves as a support component and slideway, fixed to the gate pier and second-stage concrete of the gate bottom slab through anchor bolts, evenly transferring water pressure to the main structure. Gate plates are categorized into flat (PZ) and arched (PGZ) types based on shape, with arched gates designed with a 60° central angle to reduce hydraulic pressure load. Material and PerformanceManufactured from HT250 gray cast iron or ductile iron, complying with CJ/T3006-92 and DL/T5018-2004 standards. Critical parts reserve corrosion allowance and undergo stress relief through aging treatment. Sealing structures use copper alloy facings or rubber, with water-stop gaps controlled within 0.1mm, achieving a leakage rate of 0.03-0.07L/m·s. Installation and MaintenanceRequires overall hoisting into the slot and adjustment of sealing surface gaps with secondary concrete pouring. Routine maintenance includes regular lubrication, anti-corrosion treatment, and inspection of component connections. Drive methods support manual, electric, or pneumatic operation, with the hoist utilizing three-stage reduction and equipped with overload protection devices. Application ScenariosSuitable for reservoirs, rivers, hydropower stations, and urban water supply and drainage systems. Capable of withstanding environments from -20°C to 120°C and corrosion from wastewater media, with a pressure head capacity of up to 10 meters bidirectionally. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:High-pressure cast iron sluice gates are water flow control devices primarily made of cast iron, widely used in hydraulic engineering, water supply and drainage, and wastewater treatment. They regulate water levels and intercept flow by driving the gate plate up and down via a hoist. Structural CompositionMainly consists of components such as the gate frame, gate plate, guide rails, sealing strips, and drive screw. The gate frame serves as a support structure and slideway, fixed to the gate pier and secondary concrete base with anchor bolts, evenly transferring water pressure to the main structure. The gate plate directly withstands water pressure and is made of gray cast iron or ductile cast iron, complying with industry standards CJ/T3006-92 and DL/T5018-2004. Sealing DesignThe sealing surface uses copper alloy inserts or rubber sealing strips, achieving bidirectional water stoppage through wedge block adjustments, with gaps controlled within 0.1mm. Under forward water pressure, leakage can reach 0.03-0.07L/m·s, while under reverse pressure, it can reach 0.7-1.25L/m·s. Application ScenariosSuitable for rivers, reservoirs, hydropower stations, and urban water supply and drainage systems, with a pressure-bearing capacity of up to 10 meters of water head bidirectionally. They operate in environments ranging from -20°C to 120°C and handle wastewater media. Drive methods include manual, electric, or pneumatic, with installation options of embedded steel plates or bolt fixation. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:The PGZ cast iron arch gate is a flow control device used in hydraulic engineering, made of cast iron material, featuring corrosion resistance and excellent water-sealing performance. ?Structural Features??Material?: Mostly made of HT200 gray cast iron or ductile iron, complying with CJ/T3006-92 and DL/T5018-2004 standards. ?Design?: Utilizes a 60-degree central angle arch structure to optimize pressure-bearing performance; the gate plate is surrounded by a cast iron frame and reinforced with transverse stiffeners to enhance rigidity. ?Sealing Technology?: Employs inclined iron or copper alloy facings, achieving bidirectional water sealing through a wedge device. Forward seepage can reach 0.03-0.07 L/m·s, while reverse seepage is slightly higher. ?Function and Application??Purpose?: Mainly used in small to medium-sized hydroelectric projects, municipal water supply and drainage, and farmland irrigation. It regulates water levels or cuts off flow by driving the gate plate up and down via a hoist. ?Performance?: Capable of withstanding high water pressure and reverse flow impact, with a long service life (normal head: 1-6 meters) and low maintenance costs (requires regular lubrication and anti-corrosion treatment). ?Installation Requirements?Must be hoisted entirely into the slot, with secondary concrete pouring to adjust the sealing surface gap to within 0.1mm. ?During installation, residual mortar between components such as the gate plate and frame must be cleared to avoid affecting operation. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:機門一體式鑄鐵閘門是一種將閘門與啟閉機組合的裝置，主要用于渠道安裝，無需單獨設置啟閉機平臺，結(jié)構緊湊且安裝便捷。 ?結(jié)構特點由門框、閘板、導軌、密封條、傳動螺桿等部件組成，采用灰口鑄鐵或球墨鑄鐵材質(zhì)，具有高強度、耐磨、耐腐蝕特性。導軌對稱布置以提升結(jié)構剛性，密封設計通過楔塊裝置實現(xiàn)雙向止水，滲水量可控制在0.03-0.07L/m·s。 ?適用場景適用于農(nóng)田灌溉、防汛、水利、給排水等工程，可手動、電動或氣動驅(qū)動。其獨特的外弧形設計優(yōu)化了受力分布，通過調(diào)整楔緊裝置可滿足不同水壓需求。 more>

Category:Hardware & Tools/Pipe Fittings/Tee Fittings

Product Description:A hydraulic landscape steel dam is an active dam that combines the characteristics of hydraulic drive and steel structure, primarily used in urban river landscapes, wetland parks, and other scenarios, serving both water storage and flood discharge functions. ?Structure and FunctionIt consists of a steel plate welded gate body, a hydraulic drive system (hydraulic cylinders, pump station), and embedded parts. The gate body is continuously arranged along the dam axis without intermediate support piers, ensuring no impact on the flood discharge cross-section or navigation clearance. The lifting action is achieved through direct pushing by hydraulic cylinders, allowing precise adjustment of the water retention height to meet varying water level requirements. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:Small cast iron sluice gates are water flow control devices primarily made of cast iron, widely used in hydraulic engineering, urban water supply and drainage, and industrial water treatment. Their core structure consists of a gate frame, gate leaf, guide rails, sealing device, and hoisting mechanism. The hoisting mechanism drives the gate leaf to lift or lower, enabling water level regulation or flow interception. Structural FeaturesMaterial: Made of HT250 gray cast iron or ductile cast iron, compliant with industry standards CJ/T3006-92 and DL/T5018-2004.Design: Gate leaf shapes are categorized into flat (PZ) and arched (PGZ) types, with arched designs reducing hydraulic pressure load.Sealing: Utilizes copper alloy or rubber sealing strips, achieving bidirectional water stoppage through wedge block devices, with leakage controlled at 0.03-0.07 L/m·s. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:A unidirectional cast iron sluice gate is a hydraulic control device made of cast iron that only allows water flow in one direction. It is primarily used for water level regulation and anti-backflow protection in water conservancy projects such as rivers and reservoirs. Structural FeaturesThe unidirectional cast iron sluice gate consists of a gate frame, gate leaf, guide rails, sealing strips, and a transmission device. It is mostly made of gray cast iron or ductile cast iron, featuring high structural strength, strong wear resistance, and excellent sealing performance. Its core component, the gate leaf, is manufactured using an integrated casting process to ensure rigidity and pressure-bearing capacity. The guide rails ensure stable movement of the gate leaf, while the sealing strips achieve bidirectional water-stop effects through wedge block devices. Function and ApplicationThis gate is driven by a hoist for opening and closing, allowing water flow in only one direction (e.g., from upstream to downstream). It is commonly used in river diversion, reservoir discharge, or anti-backflow protection in wastewater treatment. For example, in urban water supply and drainage systems, it prevents sewage from flowing back into water source pipelines, ensuring water supply safety. Installation and MaintenanceDuring installation, the gate must be hoisted into the groove as a whole, and the sealing surface gap must be adjusted to within 0.1mm through secondary concrete pouring. Regular maintenance involves lubricating transmission components and checking sealing performance to ensure effective water-stop functionality. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:The arc-shaped cast iron gate is a curved water flow control device primarily made of cast iron, widely used in water conservancy projects such as reservoirs, rivers, and hydropower stations. It regulates water levels and intercepts flow by driving the gate plate to rotate via a hoist. Structural FeaturesThe arc-shaped cast iron gate adopts an external arc design, offering high structural strength and uniform stress distribution. The main materials are typically gray cast iron or ductile cast iron. The gate consists of components such as the frame, gate plate, guide rails, and sealing strips. The sealing surface is inlaid with copper strips or rubber, achieving bidirectional water sealing through a wedge block device, with gaps controllable within 0.1 mm. Function and ApplicationThis gate is suitable for working conditions requiring bidirectional pressure resistance, such as urban water supply and drainage, agricultural irrigation, and flow interception in hydropower stations. Its external arc design optimizes hydraulic performance, reduces the hoisting force, and minimizes operational noise. Installation and MaintenanceInstallation requires embedding steel plates or bolts to secure the base and synchronizing with the hoist for control. Regular daily inspections of sealing strip wear are necessary, and adjustments to the wedge block device should be made to restore water sealing performance. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:The inclined pull-type cast iron gate is a flow control device used in water conservancy projects such as reservoirs, rivers, and hydropower stations. It regulates water levels and intercepts flow by driving the gate plate to lift or lower via a hoist. Its structural features are as follows:Structural CompositionIt mainly consists of a gate frame, gate plate, lifting seat, tight inclined iron, and rod system. The gate frame serves as the supporting component, fixed to the gate pier and secondary concrete of the gate base with anchor bolts, transferring water pressure to the main structure. The gate plate is the water-retaining component directly bearing water pressure, made of cast iron (such as HT250 gray cast iron or ductile iron), complying with industry standards CJ/T3006-92 and DL/T5018-2004.Sealing DesignThe sealing structure uses bronze or copper alloy facings, combined with a wedge block device and water pressure to achieve bidirectional water stoppage. Water seepage can be controlled within 0.03-0.07 L/m·s. The gate plate closely fits the slide track of the gate frame to ensure smooth operation.Installation RequirementsDuring installation, it must be hoisted into the slot as a whole, and the sealing surface gap adjusted to within 0.1 mm through secondary concrete pouring. A matching hoist, such as a manual screw hoist or winch-type hoist, is required to meet different water head pressure needs (e.g., 15-50 m water head).Applicable ScenariosSuitable for water conservancy projects like reservoirs, rivers, and hydropower stations, it offers strong corrosion resistance and can adapt to environments such as sewage and seawater. Its inclined pull-type design optimizes water stoppage effectiveness, reduces sealing surface wear, and simplifies maintenance. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:Copper-inlaid cast iron round gates are widely used in municipal, water conservancy, industrial, and other fields as flow control devices. Their main features are as follows:Structure and MaterialMade of gray cast iron or ductile iron, the main body features a circular structure with copper alloy strips or rubber embedded in the sealing surface. The guide rail length accounts for 1/2 to 1/3 of the total height, and the external arc design ensures uniform stress distribution. The gate and frame employ a bidirectional pressure-bearing structure, supporting wedge adjustment for sealing to compensate for gaps.Technical ParametersPressure Rating: Nominal pressure ≤ 0.1 MPaSealing Performance: Forward leakage ≤ 0.7 L/min·m, sealing surface gap ≤ 0.1 mmTemperature Range: -20°C to 120°CMaximum Head: Typically 10 meters (higher with special customization)Installation and MaintenanceSupports embedded steel plate or bolt installation and requires linkage with a hoist for control. Routine maintenance involves checking the precision of transmission components and the sealing condition.Application ScenariosPrimarily used in municipal water supply and drainage, sewage treatment, hydraulic hubs, and industrial water treatment projects, such as urban pipeline network junction wells, pump station inlets, and river flow interception. They enable remote or on-site control for water flow cutoff and water level regulation. more>

Category:Hardware & Tools/Castings/Iron Castings

Product Description:Copper-inlaid cast iron gates are devices used in hydraulic engineering for flow interception and water level regulation, primarily applied in water supply and drainage, flood control, irrigation, sewage treatment, and other fields. They comply with the general standards of the Ministry of Construction and the American AWWA standards. Structural FeaturesManufactured from gray cast iron or ductile iron, equipped with stainless steel bolts and copper alloy/rubber sealing structures, they feature high pressure-bearing capacity (forward/bidirectional 10-meter water head) and corrosion resistance (-20°C to 120°C). The external arc design optimizes stress distribution, achieving planar contact sealing through wedge devices and copper strip seals, with a gap ≤0.1 mm. The guide rail length is 1/2 to 1/3 of the gate’s full opening height to enhance stability. Performance ParametersSealing Performance: Forward leakage ≤0.7L/m·min, reverse ≤1.25L/m·minDrive Method: Supports manual, electric, and hydraulic hoistsApplicable Media: Sewage, seawater, clean water, and other media with pH 5-10Installation Method: Embedded steel plate or bolt fixation Application ScenariosSuitable for municipal engineering (water supply and drainage pipelines, pump stations), hydraulic engineering (river flow interception), industrial sectors (metallurgy, chemical, power), and other occasions requiring concealed installation. The non-rising stem design is particularly suitable for scenic area landscapes and road infrastructure. more>