Mechanical Hardware

Valve Size:  DN15 – DN600  Pressure Rating: PN6,PN10,PN16  Material: Cast Iron(GG25) and Ductile Iron(GGG40 and GGG50). Test & Inspection: EN12266 Face to Face Dimension(Flanged): DIN3202 F6 End: BSP acc.to ISO228-1, Flange EN1092-2 PN16 and AS4087 Features: Leflow’s is manufacturing ball check valve with Flanged and Screwed ends, and options are as following: 1.DN15 to DN50 can be Screwed, and DN40 to DN600 are commonly flanged ends; 2.The coating of ball can be NBR or EPDM; 3.All sizes of valves are Fusion bonded epoxy coated; 4.Full bore for all sizes; The cast iron check valve is usually used to control the one-way flow of fluids. It usually consists of a valve body, ball, spring, and sealing components.This kind of valve is suitable for medium and small diameter pipelines and widely used in industrial systems such as water supply, drainage, heating, and cooling. Its main characteristics are as following: 1.Simple and compact structure: fewer components, easy to install and maintain; 2.Low Pressure drop, Minimum backpressure for tightness 0.3bar; 3. Quick close:The check valve can quickly close when the fluid flow direction changes, preventing backflow and protecting the safe operation of the pipeline system; 4. Good sealing performance: The ball is encapsulated with soft rubber, which can achieve Zero leak; 5. Silent operation the sound of ball touching the seat is very small,as soft rubber covering the ball; 6. The ball can self-Cleaning; 7. Horizontal and vertical installation in the pipeline 8. Keep valve on Pipeline to change ball or clean valve interior

Size: 1/2”- 10”.  Pressure Rating: CLASS 150 Body Material: Cast Iron(ASTM A126-B) and Ductile Iron(ASTM A536) Operation: Lever, Worm Gear, Electrical, Pneumatic, Hydraulic  Design: ANSI B16.1 Face to Face: ANSI B16.10 Test: API 598 Features: Leflow’s ANSI Cast Iron Ball valve is 2pc type, End can be flange and thread, 125LBS and 150LBS rating. ASTM A126-B body ball valves can be used in many industries like water distribution networks, food and pharmaceutical plants, water treatment, power plants and so on. 1.The stainless steel ball & stem and sealing mechanism ensures the valve for long life usage. 2.It is advised to be used either at fully open or fully closed position. 3.The Cast Iron ball valves open/close position can be easily observed from the position of handlever easily. 4.PTFE sealing provides long service life with zero leakage rates. 5.The valves are designed for bidirectional usage. 6.Through its full bore design, pressure loss is almost at zero point. 7.By adding an ISO top flange, the valve operation can be maintained by gearbox, pneumatical or electrical actuator. 8.The valves are Anti-static and blowout-proof designed. 9.Extension Stem is also optional.

Features: Leflow’s U-type flange butterfly valve includes several types: The body can be made of GG25, GGG50,WCB,CF8,CF8M,Aluminium-bronze and so on; Split body type is also available. Flange hole can be ANSI 150/PN10/PN16/JIS 5K/JIS10K; Disc type: Through shaft with pin, Through shaft without pin and stubbed Shaft; Disc Material:DI+Nickle/CF8/CF8M/Aluminium Bronze/DI+PTFE Seat Material: NBR/EPDM/PTFE?VITON Stem material: SS410/SS416/SS420/SS304/SS316 The center line butterfly valve controls the flow by turning the gear or hand wheel to make the valve disc perpendicular to the direction of the fluid. It is mainly suitable for the control of liquid, gas and gas-liquid mixture under ordinary working conditions. The characteristics of middle line butterfly valve: 1.Various disc and Seat materials can be used in different application. 2.Compact dimensions offers the advantages of lightweight, easy installation and cost effectiveness. 3.Head loss is at minimum level through the double shaft design 4.The outer surfaces of valve body are coated with fusion bonded epoxy. 5.Smooth operation and longer life is maintained in tough conditions. 6.Top flange conform to ISO 5211, Gear box and actuator can be installed directly. 7.Maintenance-free. 8.Simple structure, small size, easy installation and maintenance,strong adaptability. https://www.leflowvalves.com/ ,

Name: Double eccentric butterfly valve Another name: High performance butterfly valve Applicable: Water plant, power plant, steel plant smelting, chemical industry Features: Longer life and good stability Features: Leflow is providing high quality Double-offset butterfly valve. We produce double eccentric butterfly valves with diameters ranging from DN100 to DN1200. Double offset uses two separate offsets to achieve a bubble-tight. One of the offsets is the location of the valve shaft relative to the centerline of the bore. Another offset is between the centerline of the disc/seat sealing surface and the shaft. This structure make the valve has following benefits: 1. Double Eccentric structure ensures low operating torques with zero leakage performance; 2. Inner and outer surfaces of the valve are coated with fusion bonded epoxy,and Its thickness can be adjustable; 3. Low moments are obtained by decreasing the friction through self-lubricating bushings; 4. Can bear high stretching stresses on the pipeline through the ductile iron body and disc; 5. High impact resistance. 6. Pressure loss is at minimum level by double shaft design. 7. Sealing gaskets fasten by bolt can be replaced at field condition; 8. With the o-rings on the bearing bushings, disc pin holes are protected against corrosion (Dry shaft); 9. Retaining ring is assembled to the disc with imbus bolts, the disc is protected against corrosion by placing o-rings under the bolts. 10. Stainless steel welding seat can reach better sealing

　　Fitting oil seals over shafts is a critical process in ensuring the longevity and efficiency of mechanical systems. Proper installation prevents leaks, reduces wear, and maintains the integrity of the machinery. This article explores the essential steps and considerations when fitting oil seals over shafts from multiple perspectives. 　　Preparation 　

Minimum Order: 1000

　　EC end cap seals are specialized sealing components commonly used in various industrial applications, designed to provide a secure seal at the ends of rotating shafts and cylindrical housings. They play a critical role in maintaining the integrity of mechanical systems by preventing the leakage of fluids and gases, while also protecting against the ingress of contaminants like dust and dirt. This article will explore the function, materials, applications, and advantages of EC end cap seals to offer a comprehensive understanding of their importance in modern machinery. 　　1. Function and Importance 　　The primary function of an EC end cap seal is to create a reliable seal between rotating shafts or fixed housings and their surrounding environment. By doing so, these seals ensure that vital fluids such as lubricants and coolants stay within the system while preventing external contaminants from entering and causing damage. Without proper sealing, machinery components can wear down faster due to friction and contamination, leading to operational inefficiencies and increased maintenance costs. Thus, EC end cap seals play an essential role in extending the lifespan and reliability of equipment. 　　2. Material Composition and Selection 　　EC end cap seals are typically made from materials that are highly resistant to wear, heat, and chemical exposure. Common materials used in the construction of these seals include nitrile rubber (NBR), fluorocarbon (FKM), silicone, and polytetrafluoroethylene (PTFE). Each material offers different advantages based on the operating conditions. For example, FKM seals are known for their resistance to high temperatures and harsh chemicals, while silicone seals excel in low-temperature environments where flexibility is crucial. The choice of material will depend on factors such as operating temperature, pressure, and exposure to chemicals or abrasive substances. 　　3. Applications of EC End Cap Seals 　　EC end cap seals are used in a wide range of industries, from automotive to aerospace, as well as in heavy machinery and manufacturing equipment. In the automotive sector, these seals are often found in transmission systems, wheel hubs, and gearboxes, where they help to maintain the efficiency of lubricants and prevent leaks. In industrial settings, EC end cap seals are crucial for machinery such as pumps, compressors, and motors, where they help protect sensitive components from environmental contaminants. Their ability to handle both dynamic and static sealing makes them versatile in many applications. 　　4. Advantages of EC End Cap Seals 　　The main advantage of EC end cap seals is their ability to provide long- lasting sealing performance under demanding conditions. These seals are designed to endure high levels of pressure and temperature while maintaining their integrity over time. They also offer excellent resistance to wear and chemical attack, making them ideal for applications in harsh environments. Additionally, their design allows for minimal friction during operation, which helps to reduce energy consumption and enhance the efficiency of the machinery. 　　Understanding the specific needs of a given application and selecting the right EC end cap seal can significantly improve the longevity and efficiency of industrial equipment, making them an indispensable component in modern mechanical systems.

Minimum Order: 1000

　　Skeleton oil seals essential components in various mechanical applications, serve to contain lubricants and exclude contaminants from machinery. Their effectiveness is significantly influenced by the environment in which they are stored. Understanding the requirements for the storage environment of skeleton oil seals is crucial for ensuring their longevity, performance, and reliability. 　　1. Temperature Control 　　One of the primary considerations for storing skeleton oil seals is temperature. Extreme temperatures, whether hot or cold, can degrade the materials from which these seals are made. Ideally, they should be stored in a controlled environment where temperatures range between 15°C and 25°C. Higher temperatures can cause rubber components to harden and lose their elasticity, while low temperatures can make them brittle. Maintaining a stable temperature helps preserve their structural integrity. 　　2. Humidity Levels 　　Humidity also plays a vital role in the preservation of skeleton oil seals. Excessive humidity can lead to mold growth and degradation of the sealing material, while insufficient humidity can cause drying and cracking. The relative humidity of the storage area should be monitored and maintained between 30% and 50%. Using dehumidifiers or humidifiers, as required, can help stabilize these levels. 　　3. Protection from Contaminants 　　It is essential to protect skeleton oil seals from exposure to harmful chemicals and contaminants. They should be stored in a clean, dry environment away from strong solvents, oils, and other chemicals that could compromise their integrity. Ideally, seals should be wrapped in protective material and kept in sealed containers to prevent environmental damage. 　　4. Avoiding Physical Damage 　　Physical handling and storage of skeleton oil seals are critical to their preservation. They should be laid flat and not stacked directly on top of each other to avoid deformation. The use of racks or shelves that prevent excessive pressure and allow for easy access is recommended. Furthermore, it’s essential to handle them with clean, dry hands or gloves to prevent transfer of oils and dirt. 　　5. Periodic Inspection 　　Regularly inspecting the storage environment and the seals themselves ensures any potential issues can be addressed promptly. Noticing signs of swelling, discoloration, or cracks can help prevent the use of compromised seals, which could lead to equipment failure. Setting a schedule for inspection helps maintain both the seals and the overall storage conditions. 　　Adherence to these environmental requirements for skeleton oil seals not only extends their lifespan but also ensures optimal performance when installed in machinery. As industries continue to innovate and evolve, understanding the science behind material preservation will play an increasingly crucial role in achieving operational excellence. Thus, investing in appropriate storage solutions could be a key differentiator, impacting productivity and cost- effectiveness.

Minimum Order: 1000

　　Oil seals play a critical role in the functioning and longevity of mechanical equipment. These seals, typically made from rubber or elastomeric materials, are designed to keep lubricants contained and prevent dirt, dust, or moisture from entering machinery compartments. While they may seem like simple components, their importance cannot be overstated. 　　1. Preventing Lubricant Leakage 　　One of the primary functions of oil seals is to prevent the leakage of lubricants. In any mechanical system, lubricants are essential for reducing friction between moving parts, thereby minimizing wear and tear. A well- functioning oil seal ensures that these lubricants remain where they are needed, avoiding costly spills and maintaining optimal operating conditions. Without effective sealing, lubricants can escape, leading to insufficient lubrication, increased friction, overheating, and ultimately, mechanical failure. 　　2. Shielding Against Contaminants 　　Alongside retaining lubricants, oil seals serve as barriers against contaminants such as dirt, dust, and moisture. Contamination can severely damage components within machinery, leading to decreased efficiency and potential breakdowns. For instance, in automotive applications, dirt and moisture can infiltrate critical areas, causing corrosion and severe wear on bearings and other vital parts. A robust oil seal protects these components, ensuring a longer operational life and reliability of the machinery. 　　3. Enhancing Efficiency and Performance 　　Well-designed oil seals contribute to the overall efficiency and performance of mechanical equipment. They maintain the correct levels of lubrication and protect against contaminants, which can enhance the overall effectiveness of the machinery. By facilitating smoother operation, oil seals help reduce energy consumption, thereby contributing to cost savings for industrial operators. For instance, in processing plants, efficient seal performance can lead to significant reductions in operational costs and downtime, improving productivity. 　　4. Varieties of Oil Seals 　　Oil seals come in various types and materials, each suited for specific applications. Common types include lip seals, rotary seals, and radial seals, with materials ranging from rubber to more sophisticated thermoplastics. Each design serves different needs; for example, lip seals are ideal for applications involving rotating shafts, while static seals may be employed in non-moving joints. This variety ensures that mechanical engineers can choose the most suitable seal for their specific operational contexts, further enhancing the effectiveness and durability of their equipment. 　　Oil seals are not merely accessories in mechanical equipment; they are vital components that support operational efficiency, protect against contamination, and prevent lubricant loss. As technology evolves, so too do the designs and materials used in oil seals, making them more effective than ever. As engineers and manufacturers continue to prioritize the importance of these seals, understanding their critical role will ensure the reliability and longevity of machinery across various industries.

Minimum Order: 500

Basic product information Product Name: Solenoid Ball Valve M-3SEW10   Product attributes Brand: Huade Hydraulic Model: M-3SEW10 Certificate: ISO9001-2008 Origin: China   Custom properties Type SEW directional valve is a solenoid-operated steel ball directional valve. Used to control the start, stop and flow direction of the oil.   Features of solenoid actuated ball valve - Direct actuated directional poppet valve,solenoid actuated - Closed port is leak-free - Switching is ensured even after long periods of being under pressure - Air gap DCsolenoids with removable coil (AC volt-ages possible via rectifier) - Solenoid coil can be rotated by 90 degree - lndividual electrical connection - With protected hand override, optional - Porting pattern to Din 24 340 form A, ISO 4401 and CETOP-RP 121H   Huade Hydraulic Technology Co., Ltd. was established in 2008 and is located in Shijiazhuang, the capital of Hebei Province. It is a professional enterprise specializing in the production and sales of a full range of hydraulic industry products. our products include directional valve, pressure valve, proportional valve, flow valve and throttle valve etc. Sincerely hope to cooperate with you!

Product name: Cartridge check valve M-SR8. M-SR10. M-SR10. M-SR15. M-SR20. M- SR25. M-SR30 A Cartridge Check Valve, also known as a Cartridge Type Check Valve, is a type of hydraulic valve that is designed to allow fluid to flow in only one direction. This valve is typically used in hydraulic systems where backflow prevention is critical.   Cartridge Check Valve Features 1. Cartridge Check Valve has compact design. Unlike traditional check valves, which are typically bulky and require a lot of space, Cartridge Type Check Valves are designed to fit into small spaces. This makes them ideal for use in applications where space is at a premium. 2. Cartridge Check Valve is easy to install. Because these directional valves are designed to be inserted directly into hydraulic lines, they can be easily installed or replaced without the need for extensive modifications to the system.   Cartridge Check Valve Applications Cartridge Check Valves are used in a variety of applications, including in hydraulic presses, industrial machinery, and mobile equipment. They are often used in systems that require fast and accurate response times, as well as in systems where precise pressure control is essential. As a leading cartridge check valve supplier, Huade provides various check valves for your choice. Welcome to contact us for more information!

Product name: Stacked hydraulic control check valve Z1S6. Z1S10. Oil controls hydraulic valves are used to shut-off the flow of hydraulic oil or other liquids in both directions in hydraulic system. The speed of hydraulic cylinders can also be controlled. This solenoid valve for hydraulic oil is also available with throttle in only one direction, with free flow in opposite direction.    Oil controls hydraulic valves features Designed for in-line assembly with female BSP threaded connections. Throttle and shut-off the flow of oil or other liquids in both directions. Set-screw located on side of turning knob to lock valve in position. Graduated turning knob and coded spindle to accurately flow control. Product attributes Brand: Huade Hydraulic Model: Z1S10 Certificate: ISO9001-2008 Origin: China   Custom properties: The Z1S valve is a direct-acting check valve with a superimposed structure. This type of hydraulic valve mainly includes a valve body (1) and a check valve insert (2). One-way valve seals leak-free in one direction while allowing free flow of oil in the other direction

Basic product information Product Name: Speed Control Valve 2FRM5.2FRM6.2FRM10.2FRM16   Two Way Flow Control Valve Product attributes Brand: Huade Hydraulic Model: 2RM5 Certificate: ISO9001-2008 Origin: China   Custom properties 2FRM type flow control valve is a two-way flow control valve, which is used for throttling and is not controlled by pressure and temperature   Transaction information Minimum order quantity: 10 pieces Price: RMB 540 Payment method: T/T, Paypal, Western Union Supply Ability: Annual output of 1,000,000 Delivery time: 10-15 days Conventional packing: export packing

Product name: Stacked hydraulic control check valve Z2S6. Z2S10. Z2S16.Z2S22 Hydraulic stack valves revolutionize hydraulic circuit design by combining multiple circuit function components into a single, modular assembly. This innovative approach allows for streamlined circuitry with reduced leakage points and enhanced efficiency. Stack valves provide a cost-effective solution, incorporating checks, flow controls, pressure controls, load holding, and solenoid-operated blocking valves into a compact, leak-proof package. Hydraulic stack valves benefits: • Modular Design: Stackable hydraulic valves feature a modular design that allows for easy mounting of circuit function components, offering flexibility and customization to suit specific application requirements. • Space Efficiency: By housing all functions in a single assembly, hydraulic stack valves maximize space utilization, enabling efficient use of hydraulic system real estate while simplifying installation and maintenance. • Reduced Leakage Points: Stack hydraulic valves significantly reduce potential leakage points in hydraulic systems, enhancing reliability and minimizing fluid loss, ensuring consistent performance over time. • Enhanced Circuit Flexibility: With stackable hydraulic valves, users can combine various control functions using a building block approach, providing versatility in circuit design to accommodate different options and functions. • Ease of Service: This kind of hydraulic control check valves can be easily disassembled for servicing or to add options and functions, facilitating maintenance and upgrades without extensive downtime. Hydraulic stack valves applications: 1. Industrial machinery: Hydraulic stack directional valves are used in a wide range of industrial machinery, including hydraulic presses, injection molding machines, and metal forming equipment. 2. Construction equipment: Hydraulic control stack valves are used in construction equipment such as excavators, bulldozers, and backhoes to control the movement of hydraulic cylinders and other hydraulic components. 3. Agricultural machinery: Stackable hydraulic valves are used in agricultural machinery such as tractors and harvesters to control the movement of hydraulic components such as plows, cultivators, and sprayers.

L shape RKS.21 0411 slewing ring with size 505*304*56mm De(OD):505mm Di(ID):304mm Bi , :368mm Fe:455mm Ne:10 Fi:332mm Ni:12 m(module):5 z:99 D:495mm Total height:56mm weight:32kgs Material:42CrMo/50M , n Rolling elements:steel ball Operating tempereature:-40°C +150°C Load direction:Radial bearing RACEWAY hardness:55~62HRC Inner and outer ring modulation hardness:229-268HB High operational efficiency:compact design packaging:wooden box shipment: sea or air L-shape bearings only to be used in compression.  Steel : high quality steel, XC 45 improved Lubrication : L’Shape slewing bearings are pre-lubricated with a lithium soap, EP additives and a consistency of 2  Bolting class : 10.9 recommended  Grease nipples : four equally grease nipples (M8X1.00) (G)  High quality raceways hardening L’Shape slewing bearings with special holes or without holes for attachment bolts   More types we manufacture: RKS.21 0411 RKS.21 0541 RKS.21 0641 RKS.21 0741 RKS.21 0841 RKS.21 0941 RKS.21 1091 RKS.22 0411 RKS.22 0541 RKS.22 0641 RKS.22 0741 RKS.22 0841 RKS.22 0941 RKS.22 1091 RKS.23 0411 RKS.23 0541 RKS.23 0641 RKS.23 0741 RKS.23 0841 RKS.23 0941 RKS.23 1091 if you are interested in China factory RKS.21 0411 slewing ring with size 505*304*56mm, please contact us freely.

Minimum Order: 1 bags