Slip-On Flange

Your Professional Slip-On Flange Supplier

Established in 2009 as a national high-tech enterprise with 15 years of expertise in R&D, production, and sales of stainless steel pipe fittings and pipeline accessories.

Our popular product offerings primarily include butt welding pipe fittings, forged pipe fittings, stainless steel flanges, stainless steel pipes, and related components.

Slip-On Flange Vs Weld Neck Flange Pressure Rating
Weld Neck (WN) | Slip-On (SO) | Blind (BL)
Threaded (TH) | Socket Weld (SW) | Orifice Flanges
Loose (LJ) | Hubbed Butt Weld | Custom Specials
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Why Choose us

Advanced Production Equipment

We utilize specialized equipment for precision cutting, forming, welding, heat treatment, and surface finishing. Examples include heat treatment furnaces, large hydraulic press machines for manufacturing tees and reducers, laser cutting machines for pipes, high-power fiber laser cutting machines for plates, and elbow cold forming machines, among others.

Quality Control

Our quality and safety management systems are certified under ISO 9001:2015, API Q1, ISO 45001 (OHSMS), and ISO 14001 (Environmental Management System), ensuring compliance with international standards.

Specialized Workshops

We maintain a fully equipped physical and chemical laboratory, along with a dedicated inspection workshop, to support comprehensive quality assurance and control processes.

Parameter

ASME:	ASME B16.5/16.47 \| MSS SP44
EU:	DIN 2527-2642 \| EN 1092-1
JIS/GOST:	JIS B2220 \| GOST 12820
Custom Engineering:	Non-standard designs per DRAWINGS

Benefits of Slip-On Flange

The Convenience of Installation: Streamlining Pipeline Construction

The main benefit of slip-on flanges is how simple they are to install. When time is of the essence or when jobs must be completed in small areas, this capability is especially helpful.

The slip-on design makes the welding process simpler and reduces the possibility of mistakes by reducing the need for careful alignment. Slip-on flanges make the assembly process seamless, shortening project lead times and enhancing operational effectiveness.

Versatility in Applications: Where Slip-On Flanges Shine

Slip-on flanges excel in a variety of sectors and applications, demonstrating their adaptability. They have a position in oil and gas applications such as onshore pipelines and storage tanks that don’t require high-pressure containment.

Slip-on flanges are also crucial in water treatment facilities because they make it simple to connect various pipeline segments, valves, and pumps. This versatility demonstrates their usefulness in various situations and gives engineers flexibility in their design decisions.

Cost-Effectiveness: Maximizing Value in Pipeline Projects

The cost-effectiveness of slip-on flanges is a distinguishing characteristic. Lower labour costs and shorter installation times result from their simple installation approach.

They are an affordable option for pipeline projects due to their simple design, which also helps to reduce production costs. The simplicity of replacement and maintenance for slip-on flanges further increases its value proposition when taking into account the lifecycle of a pipeline.

Pressure Considerations: Optimizing Performance

Although slip-on flanges might not offer as much pressure containment as some other flange types, they are ideal for situations requiring just mild pressure.

Their effective operation within the required pressure ranges is ensured by proper selection, installation, and adherence to pressure standards. Slip-on flanges are a flexible and dependable option due to their adaptation to various pressure circumstances.

Working Principle Of Slip-On Flange

Slip-on flanges must be slid into the pipe before welding. In this case it is a double weld, both inside and outside, thus providing the durability they need to avoid leaks. Their pressure resistance is rated at approximately 2/3 of that of a welding neck flange. Slip-on flanges are suitable for low-pressure applications and are easy to install and weld onto different pipes. In addition, welding helps to reduce manufacturing costs.

Slip-on flanges do not require a large longitudinal space in the line to be mounted. In addition, they do not require an exact cut in the pipe, and are less difficult to align.

Application of Slip-On Flange

Low-Pressure Applications:

Slip On Flanges are extensively used in low-pressure applications, such as water and gas pipelines, where the pressure does not exceed 300 psi.

Chemical and Petrochemical Plants:

Slip On Flanges are common in chemical and petrochemical plants, where they connect piping systems and equipment.

HVAC Systems:

Slip On Flanges are common in HVAC (Heating, Ventilation, and Air Conditioning) systems, where they are used to connect ductwork and piping.

Water Treatment Plants:

Slip On Flanges find their usage in water treatment plants, which connect piping systems and equipment.

Food and Beverage Industry:

Slip On Flange is an extensive in the food and beverage industry, where they are used to connect piping systems and equipment.

Additional Information

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FAQ

Q: Do slip on flanges require special tools for installation?

A: Slip-on flanges are flanges that slip on the pipe and connect and don't require any additional tool for installation. They are popular with name, push-fit connectors. Their design allows direct pipe connections.

Q: When to use weld neck vs slip on flange?

A: If you need a cost-effective solution for low-pressure systems, Slip-On flanges may be the way to go. However, for high-pressure and high-temperature applications where durability and leak resistance are paramount, Weld Neck flanges are the superior choice.

Q: How is a slip-on flange welded?

A: As their name implies, slip-on flanges slide directly over pipes and are held in place by two fillet welds, one inside and one out - making installation and positioning much easier than with weld neck designs. Slip-on flanges are designed to be easily fitted over pipes and welded in place.

Q: Are slip on flanges easy to align?

A: Slip-on flanges are easy to align and install, which makes them cost-effective and less labor-intensive than other flange types. They offer a reliable seal and are ideal for systems where precision alignment is less critical.

Q: How do you use a slip on flange?

A: Slip-on flanges can be combined using either welding or bolting techniques. However, welding is preferred for high-pressure situations because it reduces the risk of leakages caused by pressure build-up. Welding requires specialized equipment, such as an arc welder or TIG welder for stainless steel.

Q: Do you have to weld the inside of a slip-on flange?

A: The internal threading in slip-on flanges allows it to connect with any standard piping system and can be easily installed without the need for any welding or fabrication.

As one of the leading slip-on flange manufacturers and suppliers in China, we warmly welcome you to buy high quality slip-on flange made in China here from our factory. Good service and punctual delivery are available.

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