Jis Slip On Flanges

Your Professional Jis Slip On Flanges Supplier

Shanxi Hongkai Forging Co., Ltd. is located in China Energy Heavy Chemical Industry Base. Dingxiang County, the hometown of forging in Shanxi Province. Mainly produce flanges and forgings of various specifications. Application in piping installation, pressure vessel, equipment accessories.

Why Choose Us

Our Service
With strong technical force, advanced production technology, perfect quality inspection, and reliable after-sales service, it provides a basis for supervision and cooperation for many customers at home and abroad.

Our Certificate
The company Excellent Supplier of 2019 Safety production standardization certificate Quality management system certification.

Production Market
The products are mainly exported. It is exported to Europe, America and other countries and regions. The product quality is good, and the service is attentive. It is deeply appreciated and trusted by customers and users at home and abroad, and has won a high reputation. They have become one of the largest flange and forging suppliers in China.

Our Factory
Shanxi Hongkai Forging Co., Ltd. is located in China Energy Heavy Chemical Industry Base. Dingxiang County, the hometown of forging in Shanxi Province. Convenient transportation, abundant coal and power resources, fast communication and superior environment.

Key Features of Jis Slip On Flanges

Durability:

Crafted from high-quality materials, these flanges withstand extreme conditions, including pressure and temperature fluctuations.

Ease of Installation:

The slip-on design simplifies installation, allowing for quick and efficient assembly.

Versatility:

Suitable for various pipe sizes and materials, these flanges can be employed in a wide range of applications.

Sealing Performance:

JIS flanges provide a robust seal, preventing leaks and ensuring the integrity of the fluid or gas being transported.

Specification

Pressure:	150# 300# 600# 900# 1500# 2500#
Surface preparation	Anti-rust black paint, anti-rust varnish, transparent anti-rust oil, hot galvanized, sandblasting.
Packing detail	Free fumigation wooden cases, trays can be according to customer requirements for special packaging
Product delivery time	20days for bulk, 7-10 working days for inventory.
Minimum Order Quantity	According to customer's requirement

Jis Slip On Flanges Materials

01/

Alloy Steel Slip On Flanges:
Alloy Steel ASTM A182: F5, F9, F11, F22, F1, F5/F5a, F91

02/

Duplex Steel Slip On Flanges:
Duplex Steel ASTM A182: Duplex 2205 (UNS S31803 – UNS S32205)
Super Duplex ASTM A182: UNS S32750 – UNS S32760

03/

Carbon Steel Slip On Flanges:
High Temperature Carbon Steel ASTM A105: A53, A106, API 5L
Low Temperature Carbon Steel ASTM A350: LF1, LF2, LF3
High Yield Carbon Steel ASTM A694: F42, F52, F60, F65

04/

Stainless Steel Slip On Flanges:
Stainless Steel ASTM A182: F304, F304H, F304L, F304N, F304LN, F309H, F310, F310H, F310MoLN, F316, F316H, F316L, F316N, F316LN, F316Ti, F317, F317L, F321, F321H, F347, F347H, F348, F348H, 904L

Jis Slip On Flanges Dimensions

Nominal Diameter: NPS 1/2 (DN15) to NPS 60 (DN1500).

Outer Diameter Range: 90 mm to 2100 mm.

Wall Thickness: DN15-DN700. 11–200 mm.

Materials: Carbon steel slip-on flanges, stainless steel slip-on flange, alloy steel, etc.

Pressure Ratings: Class 150 to Class 2500. PN2.5 to PN250.

Sealing Surfaces: Raised Face (RF) and Flat Face (FF).

Applications of Jis Slip On Flanges

Water and Wastewater Management
In the water and wastewater management sector, JIS slip-on welding flanges are commonly used to connect pipes, valves, and other fittings. Their robust sealing capabilities ensure minimal leakage and maintain system integrity.

HVAC (Heating, Ventilation, and Air Conditioning) Systems
The HVAC industry benefits significantly from the use of JIS slip-on welding flanges. These flanges connect ductwork, ensuring that air flows efficiently throughout buildings. Their ability to withstand varying pressures and temperatures makes them ideal for both residential and commercial HVAC systems, enhancing energy efficiency and indoor air quality.

Oil and Gas Sector
In the oil and gas sector, JIS flanges are employed in pipelines, refineries, and processing plants. Their strength and durability are vital for managing the high pressures associated with oil and gas transport.

Chemical Processing Plants
Chemical processing plants utilize JIS slip-on welding flanges to connect various components within their systems. The corrosion-resistant properties of stainless steel flanges make them particularly useful in handling aggressive chemicals.

Construction and Structural Applications
In construction, JIS flanges are often used to connect structural steel members, providing stability and structural integrity. Their versatility allows for a wide range of applications, from small residential projects to large commercial buildings.

Food and Beverage Industry
The food and beverage industry relies on JIS slip-on welding flanges for their sanitary properties and ease of cleaning. These flanges are crucial in connecting pipes that transport food products, ensuring compliance with hygiene standards.

Installation Practices for Jis Slip On Flanges

Proper Surface Preparation
Before installation, it is essential to ensure that the surfaces of the flange and pipe are clean and free from contaminants. This step is crucial for achieving a strong weld and preventing leaks.

Correct Alignment
Proper alignment of the flanges is vital for successful installation. Misalignment can lead to stress and potential failure of the connection. It is advisable to use alignment tools to ensure that the flanges are securely and accurately positioned before welding.

Appropriate Welding Techniques
Utilizing the correct welding technique is fundamental to achieving a strong bond. Depending on the material and application, various welding methods, such as TIG or MIG welding, may be used.

Post-Weld Inspection
Conducting a thorough inspection after welding is crucial to identify any potential defects. This process may include visual inspections, pressure testing, and non-destructive testing methods. Ensuring the integrity of the welds is essential for long-term performance.

FAQ

Q: What are the advantages of slip-on flanges?

A: In piping projects, slip-on flanges offer several key benefits: lower cost, easier installation, standardized pressure ratings, and the ability to handle large-diameter lines with minimal preparation. They are recognized in standards such as ASME & AWWA, and are available in a wide range of sizes and materials.

Q: What is the difference between JIS and ANSI flanges?

A: ANSI flanges are generally larger and thicker than JIS flanges, providing enhanced durability. JIS flanges are designed for systems where compactness and lighter weight are necessary.

Q: What is meant by JIS?

A: Just in Sequence (JIS) refers to a delivery concept in which, in addition to "Just in Time", goods are also delivered in the order in which they are needed and processed by the customer.

Q: What is the difference between a flange and a slip on flange?

A: Neck Length: Standard flanges have a long neck, whereas slip-on flanges have a low hub and lack an extended neck. Strength and Rigidity: Standard flanges are generally stronger and more rigid due to the welded neck, making them suitable for high-pressure and high-temperature applications.

Q: What are the applications of slip on flanges?

A: 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.

We're well-known as one of the leading jis slip on flanges manufacturers and suppliers in China. If you're going to wholesale high quality jis slip on flanges with competitive price, welcome to get more information from our factory. Also, customized service is available.

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