Your Leading Yuyao Yide Fluid Power Co., Ltd. Supplier
- Yuyao Yide Fluid Power Co., Ltd. is a professional manufacturer of hydraulic fittings. With more than 10 years of manufacturing and management experience in the hydraulic pipe fittings industry, we have become a major supplier of hydraulic adapters in manufacturing industry of China and a high-quality OEM manufacturer of international hydraulic components brands.
- The factory implements ISO9001 management system, advanced equipment manufacturing high quality hydraulic pipe fittings. Hydraulic pipe poducts are mainly exported to Europe, the United States, Japan and South Korea, while providing European brands with efficient OEM manufacturing of hydraulic pipe fittings. Our hydraulic pipe fittings include DIN2353/ISO8434-1 hydraulic fittings, hose fittings and hydraulic valves.
- Available in various thread sizes, ISO6149, Metric, BSP, NPT, NUF, SAE flanges, etc.
- Hydraulic components are available in materials of carbon steel, stainless steel, and brass.
- Provides zinc-nickel alloy and free chromium-6 coating.
- We are committed to providing high quality hydraulic fittings and service for field of engineering and fluid power.
Why Choose Us
Competitive price
We have a professional purchasing team and costing team,trying to reduce costs and profits,and provide you with a good price.
24h online service
You can contact us to inquire about pre-sales, sales, and after-sales services, and we will give you a very satisfactory.We are at your service online 24 hours a day.
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For each process,we have strict inspection standards,and we always insist that quality is life.
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SAE high pressure flanges are specialized flanges that are designed to resist high pressure, which are prevalent in hydraulic applications. They are named after the Society of Automotive Engineers (SAE), which established a standard for such flanges. SAE high pressure flanges are commonly used in hydraulic systems to connect pumps, valves, manifolds, and other components. They come in various sizes, materials, and configurations to suit different applications. SAE high pressure flanges are known for their reliability, durability, and ease of installation. They are critical components in hydraulic systems that require high performance and safety.
Benefits of SAE High Pressure Flanges
High pressure capability
SAE high pressure flanges are built to withstand high pressure applications and can handle much higher pressures than other types of flanges.
Superior sealing
The use of O-rings in SAE high pressure flanges allows for a superior seal under high pressure conditions, reducing the risk of leaks and reducing maintenance costs.
Ease of installation
SAE high pressure flanges are easy to install and remove, without the need for welding or threading. This makes them ideal for applications where frequent maintenance is required.
Interchangeability
SAE high pressure flanges are designed to be interchangeable, meaning that they can be used in a variety of systems and equipment, reducing the need for multiple types of fittings.
Durable and long-lasting
SAE high pressure flanges are made from high-quality materials, such as stainless steel, providing durability and long-lasting performance even under demanding conditions.
Wide range of sizes
SAE high pressure flanges are available in a wide range of sizes, making them suitable for a variety of applications, including hydraulic systems, pressure testing, and instrumentation systems.
Cost-effective
Although SAE high pressure flanges may have a higher initial cost than other types of flanges, their long service life, ease of maintenance, and superior performance make them a cost-effective choice in the long term.
Types of SAE High Pressure Flanges
01
SAE Code 61 flat face flanges
These flanges have a flat face and are often used in low-pressure applications. They can be easily assembled and are commonly used in fluid transfer systems.
02
SAE Code 62 4-bolt flanges
These flanges have a higher pressure rating than Code 61 flanges and are commonly used in high-pressure hydraulic systems. They have a thicker flange and require four bolts for assembly.
03
SAE Code 61/62 split flanges
These flanges are designed for piping systems with limited installation space or where frequent maintenance is required. They consist of two halves that are bolted together and are available in both Code 61 and Code 62 configurations.
04
SAE Code 45 degree flanges
These flanges are used in applications where the flow direction needs to be altered by 45 degrees. They are designed to handle high-pressure fluids and are available in both Code 61 and Code 62 configurations.
Material of SAE High Pressure Flanges
SAE high pressure flanges are typically made from materials such as carbon steel, stainless steel, or alloy steel. The specific material used can vary depending on the application and the conditions under which the flange will be used. Some common materials used for SAE high pressure flanges include:
Carbon steel
This is a popular choice for SAE high pressure flanges due to its affordability and strength. Carbon steel is also readily available, making it easy to source.
Stainless steel
Stainless steel is often used in corrosive environments or applications where hygiene is a concern. It is durable and resistant to rust and corrosion.
Alloy steel
Alloy steel contains additional elements such as chromium, nickel, or molybdenum, providing enhanced strength and resistance to wear and tear.
Application of SAE High Pressure Flanges
SAE high pressure flanges are typically used in hydraulic systems that operate at pressures up to 6,000 PSI. These flanges are designed to connect hoses, tubes, and pipes in hydraulic systems that require high pressure performance. Some common applications of SAE high pressure flanges include:
1.Hydraulic power units: High pressure flanges are often used in hydraulic power units that are used to power heavy machinery and equipment. These units require high pressure connections to ensure that the hydraulic fluid can flow efficiently and provide the necessary power.
2.Oil and gas industry: The oil and gas industry requires high pressure hydraulic systems for drilling, extraction, and transportation. SAE high pressure flanges are essential in these applications to ensure reliable and safe operation.
Manufacturing equipment
Many agricultural machines, such as tractors and combines, are powered by hydraulic systems. SAE high pressure flanges are used in these systems to connect hoses and pipes for efficient operation and reliable performance.
Agricultural equipment
Many agricultural machines, such as tractors and combines, are powered by hydraulic systems. SAE high pressure flanges are used in these systems to connect hoses and pipes for efficient operation and reliable performance.
Construction equipment
Hydraulic systems are used extensively in construction equipment such as excavators, bulldozers, and cranes. High pressure flanges are essential in these applications to ensure that the hydraulic systems can handle the heavy loads and pressure required for construction work.
This industry
The components of SAE high pressure flanges are:
Flange: The flange is the main component of the SAE high pressure system, and it provides a mounting surface for the connection of pipes, hoses, and other hydraulic components.
Seal: The seal ensures a leak-free connection between the flanges, preventing the loss of hydraulic fluid and maintaining system efficiency.
Gasket: A gasket is sometimes used in SAE high pressure flange systems to provide an additional layer of protection against leaks and pressure losses. Gaskets are typically made from materials such as rubber, cork, or metal.
Bolt
The bolt holds the flanges together, creating a secure connection. High-strength bolts are commonly used in SAE high pressure systems to ensure safe and reliable operation.
O-ring
An O-ring is a type of seal that is commonly used in SAE high pressure flange systems. It provides a flexible and reliable seal between the flanges, even at high pressures and temperatures.
Washer
A washer is used to distribute the load evenly across the flange surface and prevent damage to the flange and seal during assembly and operation.
Nut
A nut is used to tighten and secure the bolt, creating a tight seal and a secure joint between the flanges.
How to Maintain SAE High Pressure Flanges
Regular inspections: Inspect the flanges regularly for any signs of wear and tear, cracks or leaks.
Tighten bolts: Make sure the bolts are tight, but not over-tightened, as this can cause damage to the flange.
Perform Regular Maintenance: Perform Regular Maintenance On The Entire Hydraulic System To Ensure Its Longevity.
Clean the flange
Clean the flange surface using a clean cloth. Do not use any abrasive materials as this can cause damage to the surface.
Lubricate bolts
Apply a thin layer of lubricant to the bolts to prevent them from rusting or corroding.
Replace gaskets
Replace the gaskets when needed, particularly if there are signs of wear and tear.
Monitor pressure
Monitor the pressure of the system and ensure it stays within the manufacturer's recommended range to avoid damage to the flanges.
A complete set comprises of a flat side flange and an o-ring side flange. The o-ring side flange contains a groove seat to place a rubber o-ring (normally made of NBR material). The complete set forms a seal between a flat surface and o-ring held in a recessed circular groove in the other half. Tightening the bolts draws the two halves together and compresses the O-ring.
Due to this usage of the o-ring, flanges with o-rings has an advantage over metal to metal flanges as all-metal flanges are more prone to leakage because they must be tightened to a higher, yet narrower torque range. This makes metal to metal flanges more prone to strip threads or crack.
A complete set of flange is tightened using socket head cap screws & spring washers according to recommended torque. The screw lengths are usually shorter than the overall SAE flanges length but this is normal in accordance to SAE J518 standard. Also, as per SAE J518, there are no requirements for hex nuts for securing the flanges.
Strict Standards for SAE Flange Manufacturing
Adhering to rigorous standards in SAE flange manufacturing is paramount, considering the critical role these components play in diverse industrial applications. The manufacturing process is governed by ISO 6162/SAE J518 specifications, ensuring high pressure and temperature resilience.
Flanges are engineered with different thread types such as UNC, NPT, and BSPP to accommodate versatile connection needs. The flat face of the flange is meticulously designed for cap screws, ensuring a secure and tight junction.
The types of connection offered include threaded end and welding end, each designed for specific applications and pressures. All these features are forged under strict protocols to withstand high pressures, thus solidifying the flange’s crucial role in industrial settings.
Stainless steel SAE hydraulic flanges are a type of flange that meets SAE J518 and ISO 6162 standards. They are designed to provide leak-free connections for high-pressure and large-size hydraulic systems. Available in sizes from 3/8″ to 5″, stainless steel SAE hydraulic flanges can be connected using butt weld, socket weld, or threaded connections (BSPP, NPT, metric, or JIC). Code 61 flanges have a working pressure of up to 210 Bar (3000 PSI), while Code 62 flanges can withstand up to 420 Bar (6000 PSI). Stainless steel SAE hydraulic flanges are widely used in industrial hydraulics, mobile hydraulics, and shipbuilding. They offer several advantages over other types of connectors, including higher pressure resistance, better shock and vibration resistance, and easier installation in confined spaces.
How Do You Properly Install a SAE High Pressure Flange
Begin by choosing the correct flange size and material. SAE flanges come in various sizes and materials to suit different pressure and temperature demands.
Clean the flange surfaces to remove dirt, rust, or any other contaminants that may interfere with a good seal.
Check the condition of the flange seal. If the sealing surface is damaged, replace it before installation.
Apply a small amount of lubricant to the bolt threads and flange surfaces. This will prevent stripping and ensure an even tightening.
Align the two flanges before bolting them together. This will prevent any cross-threading or misalignment.
Tighten the bolts evenly in a star pattern sequence. Do not over-tighten the bolts as this can damage the flange or cause the seal to deform.
Inspect the flange for leaks. Use a pressure test kit to confirm that the flange has been installed correctly and is operating within the specified pressure range.
Finally, check all connections for signs of excessive vibration or movement. If you notice any problems, identify the source and address them before the equipment is put into service.
Flange
Though many SAE 4-bolt hydraulic flanges look quite similar to each other, SAE Code 61, SAE Code 62, and Caterpillar 4-bolt flanges exhibit small dimensional and physical differences that cannot be interchanges. It’s imperative to make sure the flanges are of the same code and the hole alignments match exactly.
Flange connections use a gasket to ensure a secure seal and are best in conditions of exceptionally high pressures in piping systems of 7/8” OD or larger. They are used to connect pipe-to-pipe, tube- to-tube, hose-to-hose, etc. Or a single flange is used to bolt a pipe directly onto a component.
Flange fittings (aka flange adapters) are used with split and 4-bolt flanges when the mating connection is a threaded JIC 37° flare or other connection type. High quality flange fittings are made to endure extremely high working pressures and tensile strength, and are designed to perform in a variety of clearance applications. The most popular sizes of flange fittings range from 1/2” to 4”.
When fittings are involved, captive flanges are commonly used with MJ-Flange Straight fittings where there is smooth clearance to slide over the fitting allowing the flange head on the fitting to seat into the flange. Yet split flanges are used with 45° or 90° flange fittings (i.e. MJ-Flange 45 or 90).
A 4-bolt flange connection that complies with SAE J518 and ISO 6162-1 and 6162-2 (Code 61 and Code 62) ensures a leak-free connection and is best in larger sizes under high pressure and for assemblies in tight spaces. These 4-bolt flange port connections allow for the connection of larger sizes and attain high pressures with the capability of assembling at low torques. When compared to equivalent size threaded ports these low torque assemblies are typically the best choice in tight spaces, especially where there is limited wrench clearance.
Certifications
Yuyao Yide Fluid Power Co., Ltd. is located in Yuyao City, Ningbo, China. It is a well managed fluid-connectors manufacturing enterprise.
FAQ
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