Slip On Flange Manufacturer – AstroForge Fitting Industries
AstroForge Fitting Industries is a leading Slip On Flange manufacturer, supplier, and exporter, delivering high-performance flanges to industries across the globe. Our Slip On Flanges are manufactured in accordance with international standards such as ASME, ANSI, DIN, EN, JIS, and ISO, ensuring reliability and dimensional accuracy. These flanges are widely used in low to moderate pressure applications across oil & gas, petrochemical, power generation, water treatment, and general industrial piping systems.
What is a Slip On Flange?
A Slip On Flange (SO Flange) is designed to slide over the pipe and is then fillet welded both inside and outside to provide strength and prevent leakage. Compared to weld neck flanges, Slip On Flanges are easier to align and install, making them a cost-effective solution for various piping applications.
Why Choose Our Slip On Flanges?
Easy Installation & Alignment:
Slip On Flanges are designed for smooth pipe insertion, reducing installation time and labor costs.
Cost-Effective Solution:
Lower material cost and simpler machining make them an economical alternative for many industrial applications.
International Standards Compliance:
Manufactured as per ANSI B16.5, ASME B16.47, DIN, and EN standards for precision and durability.
Wide Size & Pressure Range:
Available in Class 150, 300, 600, 900, 1500, and 2500, covering pipe sizes from ½” to 48″.
Premium Materials:
Offered in Carbon Steel, Stainless Steel, Duplex, Super Duplex, Alloy Steel, and Nickel Alloys to suit various operating environments.
Quality Assurance & Testing:
ISO 9001 certified manufacturing with rigorous inspection including mechanical testing, PMI testing, and non-destructive testing (NDT). EN 10204/3.1 certification available upon request.
Technical Specifications of Slip On Flanges
- Pressure Ratings: Class 150 to 2500 & DIN PN6 to PN40
- Face Types: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF)
- Surface Coating: Anti-rust paint, oil black paint, hot-dip galvanizing, zinc coating
- Manufacturing Process: Forged, heat-treated, CNC machined for precise dimensions
- Standards: ASME B16.5, ASME B16.47 Series A & B, DIN, EN, JIS
Applications of Slip On Flanges
AstroForge’s Slip On Flanges are widely used in:
- Oil & Gas transmission lines
- Petrochemical and chemical processing plants
- Power plants and water treatment facilities
- HVAC and plumbing systems
- Marine and offshore piping systems
Global Exporter of Slip On Flanges
We export Slip On Flanges to more than 60 countries including the USA, UK, UAE, Germany, Singapore, Australia, South Africa, and India. With a strong global distribution network and efficient logistics support, we ensure safe packaging and timely delivery worldwide.
Conclusion
If you are searching for a reliable Slip On Flange supplier, AstroForge Fitting Industries delivers superior quality, global certifications, and competitive pricing. Our Slip On Flanges are engineered for performance, durability, and long service life in industrial piping systems.
Slip On Flanges – Product Specifics
| Parameter | Specification |
|---|---|
| Product Name | Slip On Flanges |
| Flange Type | Slip On Pipe Flanges (SO Flanges) |
| Design Feature | Bore slightly larger than pipe OD to allow easy sliding over pipe before welding |
| Connection Type | Double Fillet Weld (Inside & Outside) |
| Manufacturing Standards | ASME B16.5 Slip On Flanges, ASME B16.47 Series A & B Slip On Flanges, ANSI Slip On Flanges, DIN EN 1092-1 Slip On Flanges, BS Standard Slip On Flanges, IS 6392 Slip On Flanges, JIS Slip On Flanges |
| Pressure Ratings | Class 150 Slip On Flanges, Class 300 Slip On Flanges, Class 600 Slip On Flanges, Class 900 Slip On Flanges, Class 1500 Slip On Flanges, Class 2500 Slip On Flanges, PN 6 / PN 10 / PN 16 / PN 25 / PN 40 Slip On Flanges |
| Size Range | ½” NB to 24” NB Slip On Flanges (ASME B16.5), 26” NB to 60” NB Slip On Flanges (ASME B16.47 Series A & B) |
| Facing Types | Raised Face (RF) Slip On Flanges, Flat Face (FF) Slip On Flanges, Ring Type Joint (RTJ) Slip On Flanges, Tongue & Groove Slip On Flanges, Male & Female Slip On Flanges |
| Carbon Steel Slip On Flanges | ASTM A105 Slip On Flanges, ASTM A350 LF2 Slip On Flanges |
| Stainless Steel Slip On Flanges | ASTM A182 F304 Slip On Flanges, ASTM A182 F304L Slip On Flanges, ASTM A182 F316 Slip On Flanges, ASTM A182 F316L Slip On Flanges |
| Alloy Steel Slip On Flanges | ASTM A182 F11 Slip On Flanges, ASTM A182 F22 Slip On Flanges, ASTM A182 F5, F9, F91 Slip On Flanges |
| Other Material Options | Duplex Steel Slip On Flanges, Super Duplex Slip On Flanges, Nickel Alloy Slip On Flanges, Inconel Slip On Flanges, Monel Slip On Flanges |
| Flange Dimensions Include | Slip On Flanges Outside Diameter (OD), Bolt Circle Diameter (BCD), Number of Bolt Holes, Bolt Hole Diameter, Flange Thickness, Bore Diameter |
| Surface Finish | 125 AARH Slip On Flanges, 250 AARH Slip On Flanges, Serrated Face Slip On Flanges, Smooth Face Slip On Flanges |
| Testing & Inspection | Visual Inspection, PMI Testing, Ultrasonic Testing (UT), Hydrostatic Testing, Third-Party Inspection for Slip On Flanges |
| Coating / Surface Protection | Anti-Rust Oil Coating, Black Painted Slip On Flanges, Galvanized Slip On Flanges, Epoxy Coated Slip On Flanges |
| Temperature Suitability | Suitable for low to moderate temperature and pressure applications depending on material grade |
| Applications | Industrial Slip On Flanges, Water Pipeline Slip On Flanges, Petrochemical Slip On Flanges, Power Plant Slip On Flanges, Chemical Processing Slip On Flanges, Fire Protection Systems |
| Key Advantages | Easy installation, Cost-effective solution, Simple pipe alignment, Reduced fabrication time, Suitable for low & medium pressure systems |
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Explore moreFAQs - Slip On Flange
Slip-On Flanges are designed to slip over pipe ends and are welded inside and outside, ensuring strength, leak prevention, and easy alignment for low-pressure applications.
Our Slip-On Flanges meet global standards including ANSI/ASME B16.5, B16.47, MSS SP44, AWWA, BS4504, EN1092, DIN, JIS, UNI, GOST, ensuring international compatibility.
We manufacture Slip-On Flanges in sizes ½” to 48″ with pressure ratings ranging from Class 150 to 2500 LBS and DIN ND6–ND40 standards.
We produce Slip-On Flanges in Carbon Steel, Stainless Steel, Alloy Steel, Duplex, Super Duplex, and Nickel Alloys such as Inconel, Monel, Hastelloy, Incoloy.
Slip-On Flanges can be coated with anti-rust paint, black oil, zinc plating, hot-dip galvanizing, epoxy, FBE coating, sand blasting, or electro-polishing.
Slip-On Flanges undergo rigorous inspection including visual, dimensional, radiography, hydrostatic, ultrasonic flaw detection, hardness, and tensile testing to meet ASME and global standards.
Slip-On Flanges are widely used in petrochemical, oil and gas, refineries, pharmaceuticals, food processing, pulp and paper, offshore drilling, seawater equipment, power generation, chemical industries.
Yes, we provide customized Slip-On Flanges with special coatings, shapes, finishes, and dimensions tailored to unique project specifications across multiple industries worldwide.
Slip-On Flanges are packed using seaworthy plywood boxes, wooden pallets, or steel cages with waterproof protection, fumigation-free packing, and detailed labeling for safe delivery.
We export Slip-On Flanges globally, including Middle East, Asia, Europe, Africa, North and South America, covering cities like Dubai, Mumbai, London, Houston, Singapore, Toronto.