Product Image
Image
ansi-flange-connection-one-and-a-quarter-inch-to-4inch-600x600-1
ANSI Flange Connection
The 304 Stainless Steel ANSI Flange is designed to provide a secure, bolted connection point in industrial piping systems. Contractors use this flange to join pipes, valves, or equipment where disassembly or access is required. It features a flat face with pre-drilled bolt holes, allowing for easy alignment and sealing with gaskets. Ideal for high-pressure and corrosive environments, the ANSI Flange is compatible with AP Stainless press systems and ensures leak-free performance. Simply bolt to a matching flange and tighten evenly for a reliable seal. Commonly used in chemical, water, steam, and compressed air applications.
Bolts and Gasket Included
SKU: S13170

Key Features
- Proven Technology: Designed with a simple and robust connection for long-term system reliability.
- Flameless Installation: Integrates with AP Stainless press fittings—no welding or soldering required, reducing installation time by over 50%.
- Versatile Conveyance: Seal and material options allow for the conveyance of nearly any liquid or gas.
- Dynamic System Response: Elastomeric connections absorb vibration, expansion, and contraction.
- Corrosion Resistance: Chromium dioxide layer protects against rust and environmental degradation.
- Fluid Safety: No risk of contamination to conveyed fluids.
- UV Stability: No impact from UV exposure, ideal for outdoor installations.
Size Range
- Available Sizes: 1 1/4″ to 10″
- Bolt-On Design: Standard ANSI flange pattern for easy alignment and sealing
- Built-in Sealing: Designed for gases and liquids
- Extended Fitting Sleeve: Maintains pipe alignment and flow efficiency
Material & Seals
- Material: 304 Stainless Steel
- Seals:
- EPDM (standard for press connections)
- FKM (for high temperature and chemical resistance)
Applications
- Chilled/Cooled Water
- Hot Water
- Process Water
- Low Pressure Steam
- Compressed Air & Inert Gases
- Vacuum Systems
- Chemicals & Hydraulic Oils
- Acid & Caustic Solutions
- Wastewater
- Diesel Exhaust Fluid (DEF)
Certifications
- ASME B31.1, B31.3, B31.9
- ASTM A312
- ISO 9001, 14001, 45001, 8573-1
Warranty
- 10-Year Warranty on all AP Stainless fittings

Additional information
Weight
0.42 lbs
ANSI Flange
32mm (1-1/4"), 40mm (1-1/2"), 50mm (2"), 63mm (2-1/2"), 80mm (3"), 100mm (4"), 125mm (5"), 150mm (6"), 200mm (8"), 250mm (10")
Color
Blue, Silver Metallic
Features
Bolts and Gasket Included, High Flow
Pressure
188 PSI, 1mbar/0.03inhg (Full industrial vacuum), 200 PSI
Connection
Press, Threaded
Temperature
EPDM -4°F to +248°F
Material
Stainless Steel
AP Stainless Certification
ASME, CE, EN, ISO 14001, ISO 45001, ISO 9001, TS, TUV, UL, ASME B31.1, B31.3, B31.9, ASTM A312, ISO 9001, 14001, 45001, 8573-1