Offers to Sell

GM mechanical diaphragm metering pump dosing pump Product introduction Flow range :0-500L/H Pressure range: 0-1.2MPa Motor power: 220V / 380V / 110V / 50/60Hz Drive system: two-phase, three-phase standard motor or explosion-proof motor Protection grade: IP55, IP54, material Pump head: SUS304, SUS316, PVC, PTFE PTFE diaphragm: Check valve: SUS304, SUS316, PVC, PTFE Valve ball: ZRO2, SUS304, SUS316, ceramic The working conditions Ambient temperature: -30℃ to 80 ℃ The characteristics of 1. Safe operation, mechanical drive diaphragm. 2. Good sealing, no leakage, simple and safe assembly and maintenance. 3. It can transport high viscosity media, corrosive liquids and dangerous chemicals. 4. Flow regulation can adjust stroke length or motor frequency. 5. The diaphragm is made of multi-layer composite structure, the first layer is super toughness Teflon acid resistant film, the second layer is EPDM elastic rubber, the third layer is 3.0mmSUS304 supporting iron core, the fourth layer is reinforced nylon fiber, the fifth layer is fully covered with EPDM elastic rubber, which can effectively raise the service life of the diaphragm. application Widely used in petrochemical, chemical, electric power, metallurgy, mining, shipbuilding, light industry, agriculture, national defense and other industries.

Minimum Order: 1 bags

Dear Sir/Madam, (HS 540233) We would like to offer 100% Polyester Filament Yarn which consist of FDY (Fully Drawn Yarn) & DTY (Draw Textured Yarn). Semi-dull lustre. In 75Denier & 150D with various filaments count. Yarn assortment : FDY 75D/36 Fil, FDY 150D/96 Fil, DTY 75D/36 Fil, DTY 150D/96 Fil, etc.. DTY available in intermingle or non-intermingle. Cross-section: round. Packed with paper cone/cheese. Brand: Polyfin®. Application: weaving, warp knitting. Also available polyester dope dyed yarn. Country of origin: Indonesia. Manufactured under ISO 9001, Oekotex 100 and OHSAS certified company. Pls kindly contact for further details. Thank you.

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Bonded seals, often referred to as composite seals, combine the robustness of metal with the flexibility of rubber to create a unique sealing solution. The design, featuring a metal inner ring encased in a rubber outer ring, makes these seals particularly suited to environments where high pressure, temperature fluctuations, and harsh conditions are common. Bonded seals are indispensable in various industries where reliable sealing is critical to prevent fluid leakage and ensure operational integrity. In this article, we will explore where and how bonded seals are applied across different sectors. 1. Automotive Industry: Sealing for High-Performance Engines In the automotive industry, bonded seals are crucial for ensuring the smooth and efficient operation of engine components, gearboxes, pumps, and cooling systems. The engine and transmission systems in vehicles are subjected to extreme pressures and temperatures during operation, which demands that sealing materials provide exceptional resistance to both heat and pressure. Bonded seals are particularly effective in sealing fluid connections, such as those found in oil pumps and water pumps, where they prevent leakage of critical fluids like engine oil and coolant. Application Example: A bonded seal used in a car’s engine oil pump can prevent oil leaks, ensuring that the engine operates efficiently and preventing the risk of engine damage due to insufficient lubrication. 2. Hydraulic Systems: Preventing Leakage Under Pressure Hydraulic systems operate under high-pressure conditions, and a failure to properly seal hydraulic connections can result in fluid leakage, system failure, and costly downtime. Bonded seals are widely used in hydraulic cylinders, valves, and pumps because they can handle the extreme pressures these systems experience. By providing a reliable sealing solution, bonded seals help maintain system efficiency and prevent any loss of hydraulic fluid. Application Example: In heavy machinery like excavators or cranes, bonded seals are commonly used to ensure that the hydraulic fluid in cylinders and pumps stays sealed. This reduces maintenance costs and minimizes the risk of operational failure. 3. Oil & Gas Industry: Keeping Things Secure in Harsh Environments The oil and gas industry often deals with hazardous conditions that require seals capable of withstanding high-pressure environments, extreme temperatures, and the potential for chemical exposure. Bonded seals are ideal for preventing leaks in oil and gas pipelines, drilling equipment, and storage facilities. Their ability to create a reliable seal in these environments ensures the integrity of the system and prevents the escape of fluids, which can lead to safety hazards and environmental risks. Application Example: In offshore oil drilling operations, bonded seals are used to prevent oil leaks in pipe joints. The metal and rubber combination ensures a durable seal that can withstand the high pressure of the deep-sea environment, reducing the risk of spills and enhancing safety. 4. Chemical and Petrochemical Industries: Resisting Corrosive Substances In chemical processing plants, the equipment is often exposed to harsh chemicals, high temperatures, and pressures. Bonded seals are used in these environments because they offer superior chemical resistance, preventing leaks of aggressive substances. They are commonly found in reactors, piping systems, and other critical chemical process equipment, ensuring that dangerous chemicals are contained and safety is maintained throughout the production process. Application Example: Bonded seals used in a petrochemical refinery can prevent the escape of harmful gases or liquids, keeping the environment safe and protecting workers from potentially dangerous leaks. 5. Power Generation Industry: Ensuring Efficient Sealing for Energy Systems Power plants, particularly those in thermal and nuclear energy sectors, rely on bonded seals to maintain the integrity of critical systems like cooling loops and steam turbines. Bonded seals ensure that high-pressure steam and cooling fluids are effectively sealed, preventing any loss that could result in system inefficiencies, equipment damage, or safety hazards. Their ability to endure extreme temperature and pressure conditions makes them essential for power generation. Application Example: In a nuclear power plant, bonded seals are used in steam pipe connections. Their ability to prevent steam leaks helps maintain the high pressure necessary for electricity generation while also improving the system’s efficiency. 6. Aerospace Industry: Sealing in Space and High-Pressure Systems The aerospace industry has stringent requirements for seals, especially in high-performance aircraft and spacecraft. Bonded seals are used in various applications within the aerospace sector, including fuel systems, hydraulic systems, and airframes. Their ability to withstand both high pressure and extreme temperatures makes them ideal for use in aircraft engines, rocket systems, and even satellites, where leaks could have disastrous consequences. Application Example: Bonded seals used in the fuel systems of rockets prevent fuel leaks during launch, ensuring the safety of the spacecraft and its passengers by maintaining proper fuel containment. Bonded seals have become a crucial sealing solution in various industries due to their durability, versatility, and ability to provide reliable seals under extreme conditions. From the automotive and hydraulic sectors to the oil and gas industries and beyond, bonded seals are indispensable in applications where safety and performance are paramount. Whether in high- pressure environments, chemically aggressive settings, or temperature extremes, bonded seals continue to play an integral role in keeping equipment secure and efficient. For distributors and wholesalers, understanding where and why bonded seals are used across industries can guide customers to the right sealing solutions for their needs. By offering reliable products that are well- suited for critical applications, businesses can reduce downtime, lower maintenance costs, and ultimately extend the lifespan of machinery and equipment.

Minimum Order: 1000

Bonded seals, also known as metal‑to‑rubber washers, are widely recognized in the sealing industry. They consist of a metal ring bonded to an elastomer insert, combining the strength of metal with the flexibility of rubber. Compared to traditional washers, bonded seals provide more reliable sealing under high pressure, making them indispensable in many industrial systems. Hydraulic Systems Hydraulic pumps, valves, and fittings are primary applications. High pressure often causes ordinary rubber washers to deform, but the metal reinforcement in bonded seals prevents extrusion and ensures long‑term sealing. Pneumatic Equipment In pneumatic lines and valves, bonded seals are used at threaded connections. They maintain sealing stability during frequent actuation and reduce leakage caused by vibration. Automotive and Heavy Machinery Bonded seals are applied in engines, gearboxes, and hydraulic steering systems, especially at bolt and threaded joints. Their ability to withstand heat and pressure helps prevent fluid leakage that could compromise performance. Oil, Gas, and Chemical Industries Bonded seals are suitable for pipelines, chemical processing equipment, and pressure vessels. By selecting appropriate elastomer materials such as FKM or HNBR, they can resist aggressive fluids and harsh environments. FAQ Are bonded seals a replacement for standard washers? In high‑pressure and high‑temperature environments, bonded seals are more reliable, but standard washers remain sufficient for low‑pressure applications. How should materials be chosen for bulk orders? Stock based on industry demand: NBR for hydraulic systems, FKM for chemical industries. What if customers report leakage after installation? Check whether the mating surfaces are flat and whether threads are damaged. Bonded seals are durable, but improper installation can still cause failure. The strength of bonded seals lies in their hybrid design, combining metal reinforcement with elastomer flexibility. They are widely used in hydraulic, pneumatic, automotive, and energy equipment. For distributors and wholesalers, understanding these applications and advising customers accordingly not only improves satisfaction but also builds stronger business relationships.

Minimum Order: 1000

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